<?xml version='1.0' encoding='UTF-8'?><?xml-stylesheet href="http://www.blogger.com/styles/atom.css" type="text/css"?><feed xmlns='http://www.w3.org/2005/Atom' xmlns:openSearch='http://a9.com/-/spec/opensearchrss/1.0/' xmlns:blogger='http://schemas.google.com/blogger/2008' xmlns:georss='http://www.georss.org/georss' xmlns:gd="http://schemas.google.com/g/2005" xmlns:thr='http://purl.org/syndication/thread/1.0'><id>tag:blogger.com,1999:blog-2533469192062593028</id><updated>2024-11-23T07:50:29.342+09:00</updated><category term="3P"/><category term="3P-shortcircuit"/><category term="CMOS"/><category term="CMOS-Inverter"/><category term="CMOS-NAND"/><category term="CMOS-RSFlipFlop"/><category term="CMOS-SchmittTrigger"/><category term="CMOS-SchmittTrigger-LC-Oscillator"/><category term="CMOS-TransmissionGate"/><category term="Diode"/><category term="Diode-Limit"/><category term="Filter-CR-STEP"/><category term="Filter-RC-STEP"/><category term="OpAmp"/><category term="OpAmp-Hysteresis"/><category term="OpAmp-Hysteresis-Inverting"/><category term="OpAmp-InvertingAmp"/><category term="OpAmp-Model"/><category term="OpAmp-NonInvertingAmp"/><category term="OpAmp-VoltageFollower"/><category term="Oscillator"/><category term="Oscillator-ChaoticAttractor"/><category term="Oscillator-Colpitts"/><category term="Oscillator-Hartley"/><category term="Oscillator-WienBridge"/><category term="Pulse-Negative-Edge-Detector"/><category term="Rectifier-CapacityIn"/><category term="Rectifier-ChokeIn"/><category term="Regulator-Series"/><category term="Regulator-Shunt"/><category term="SW-selector"/><category term="Tr-Hysteresis"/><category term="Tr-NPN-CB-DC"/><category term="Tr-NPN-CC-DC"/><category term="Tr-NPN-CE-DC"/><category term="Tr-NPN-CE-DC-Eq"/><category term="Transformer"/><category term="Transistor"/><category term="ZVS"/><category term="ZVS-DualPowerSupply"/><category term="ZVS-NMOSPMOS"/><title type='text'>PSpice/GNUCAP :: Use of simulators for electronic circuit design</title><subtitle type='html'></subtitle><link rel='http://schemas.google.com/g/2005#feed' type='application/atom+xml' href='http://spice-online.blogspot.com/feeds/posts/default'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default?redirect=false'/><link rel='alternate' type='text/html' href='http://spice-online.blogspot.com/'/><link rel='hub' href='http://pubsubhubbub.appspot.com/'/><link rel='next' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default?start-index=26&amp;max-results=25&amp;redirect=false'/><author><name>Unknown</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><generator version='7.00' uri='http://www.blogger.com'>Blogger</generator><openSearch:totalResults>41</openSearch:totalResults><openSearch:startIndex>1</openSearch:startIndex><openSearch:itemsPerPage>25</openSearch:itemsPerPage><entry><id>tag:blogger.com,1999:blog-2533469192062593028.post-724112707050071201</id><published>2023-11-06T05:46:00.003+09:00</published><updated>2023-11-06T20:18:09.371+09:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="ZVS-DualPowerSupply"/><title type='text'>Zero Voltage Switching (ZVS) Flyback Converter (with Dual Power Supply)</title><content type='html'>&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_ZVS-NMOSPMOS&quot;&gt;Zero Voltage Switching (ZVS) Flyback Converter(with Dual Power Supply)&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/spice_ZVS-DualPowerSupply.png&quot; alt=&quot;ZVS&quot;&gt;&lt;/p&gt;
&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/spice_ZVS-DualPowerSupply_FIG.png&quot; alt=&quot;ZVS&quot;&gt;&lt;/p&gt;
&lt;pre&gt;
* ZVS with Dual Power Supply
VIN1 5 0 0V pulse ( 0 24 10ns 10ms 20s 20s 60s)
VIN2 6 0 0V pulse ( 0 -24 10ns 10ms 20s 20s 60s)
VIN3 500 0 0V pulse ( 0 2 20ns 10ns 20s 20s 60s)
VIN4 600 0 0V pulse ( 0 -2 20ns 10ns 20s 20s 60s)
M11  210 410 5 5 PMOS1
M22  220 420 5 5 PMOS1
D11  210 420 Diode
C11  210 420 0.0001n
D21  220 410 Diode
C22  220 410 0.0001n
R510 600 410 100k
R520 600 420 100k
R201 210 211 0.01
L200 211 221 1m
R202 221 220 0.01
C210 210 6 0.1u
C220 220 5 0.1u
M1   210 310 6 6 NMOS1
M2   220 320 6 6 NMOS1
R510 500 310 100k
R520 500 320 100k
D11  320 210 Diode
C11  320 210 0.0001n
D21  310 220 Diode
C22  310 220 0.0001n
.MODEL Diode D()
.MODEL NMOS1 NMOS
.MODEL PMOS1 PMOS
.OP
.PRINT TRAN v(210) v(220) v(310) v(320) v(410) v(420)
.TRAN 0.1ms 0.02s
.END
.
&lt;/pre&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_ZVS-DualPowerSupply&quot;&gt;Zero Voltage Switching (ZVS) Flyback Converter(with Dual Power Supply)&lt;/a&gt;&lt;/p&gt;
&lt;script type=&quot;text/javascript&quot;&gt;
&lt;!--
var id=&quot;spice_ZVS-DualPowerSupply&quot;;
// --&gt;
&lt;/script&gt;
&lt;div id=&quot;define&quot;&gt;&lt;/div&gt;
&lt;script type=&quot;text/javascript&quot; src=&quot;https://ix86.org/spice/common_spice_main.js&quot;&gt;&lt;/script&gt;</content><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/724112707050071201'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/724112707050071201'/><link rel='alternate' type='text/html' href='http://spice-online.blogspot.com/2023/11/zero-voltage-switching-zvs-flyback_6.html' title='Zero Voltage Switching (ZVS) Flyback Converter (with Dual Power Supply)'/><author><name>Unknown</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author></entry><entry><id>tag:blogger.com,1999:blog-2533469192062593028.post-6983164502102530258</id><published>2023-11-06T04:05:00.001+09:00</published><updated>2023-11-06T20:18:49.386+09:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="ZVS-NMOSPMOS"/><title type='text'>Zero Voltage Switching (ZVS) Flyback Converter</title><content type='html'>&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_ZVS-NMOSPMOS&quot;&gt;Zero Voltage Switching (ZVS) Flyback Converter&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/spice_ZVS-NMOSPMOS.png&quot; alt=&quot;ZVS&quot;&gt;&lt;/p&gt;
&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/spice_ZVS-NMOSPMOS_FIG.png&quot; alt=&quot;ZVS&quot;&gt;&lt;/p&gt;
&lt;pre&gt;
* ZVS
VIN1 5 0 0V pulse ( 0 48 10ns 10ms 20s 20s 60s)
VIN2 500 0 0V pulse ( 0 48 20ns 10ns 20s 20s 60s)
M11  210 310 5 5 PMOS1
M22  220 320 5 5 PMOS1
R201 210 211 0.01
L200 211 221 0.01m
R202 221 220 0.01
C210 210 0 0.1u
C220 220 5 0.1u
M1   210 310 0 0 NMOS1
M2   220 320 0 0 NMOS1
R510 500 310 100k
R520 500 320 100k
D1   320 210 Diode
C11  320 210 0.0001n
D2   310 220 Diode
C22  310 220 0.0001n 
.MODEL Diode D()
.MODEL NMOS1 NMOS
.MODEL PMOS1 PMOS
.OP
.PRINT TRAN v(210) v(220) v(310) v(320)
.TRAN 0.1ms 0.02s
.END
.
&lt;/pre&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_ZVS-NMOSPMOS&quot;&gt;Zero Voltage Switching (ZVS) Flyback Converter&lt;/a&gt;&lt;/p&gt;
&lt;script type=&quot;text/javascript&quot;&gt;
&lt;!--
var id=&quot;spice_ZVS-NMOSPMOS&quot;;
// --&gt;
&lt;/script&gt;
&lt;div id=&quot;define&quot;&gt;&lt;/div&gt;
&lt;script type=&quot;text/javascript&quot; src=&quot;https://ix86.org/spice/common_spice_main.js&quot;&gt;&lt;/script&gt;</content><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/6983164502102530258'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/6983164502102530258'/><link rel='alternate' type='text/html' href='http://spice-online.blogspot.com/2023/11/zero-voltage-switching-zvs-flyback.html' title='Zero Voltage Switching (ZVS) Flyback Converter'/><author><name>Unknown</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author></entry><entry><id>tag:blogger.com,1999:blog-2533469192062593028.post-2033198036845507110</id><published>2023-11-03T21:11:00.014+09:00</published><updated>2023-11-06T20:20:08.327+09:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="ZVS"/><title type='text'>Zero Voltage Switching (ZVS) Flyback Converter</title><content type='html'>&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_ZVS&quot;&gt;Zero Voltage Switching (ZVS) Flyback Converter&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/spice_ZVS.png&quot; alt=&quot;ZVS&quot;&gt;&lt;/p&gt;
&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/spice_ZVS_FIG.png&quot; alt=&quot;ZVS&quot;&gt;&lt;/p&gt;
&lt;pre&gt;
* ZVS
VIN1 201 0 0V pulse ( 0 24 10ns 10ms 20s 20s 60s)
VIN1 202 0 0V pulse ( 0 24 10ms 10ns 20s 20s 60s)&lt;p&gt;
VIN2 500 0 0V pulse ( 0 24 20ns 10ns 20s 20s 60s)
L210 211 201 1
L220 221 202 1
C200 211 221 1u
R210 210 211 1
R220 220 221 1
M1   210 310 0 0 NMOS1
M2   220 320 0 0 NMOS1
R510 500 310 100k
R520 500 320 100k
D1   320 210 Diode
D2   310 220 Diode
.MODEL Diode D()
.MODEL NMOS1 NMOS
.MODEL PMOS1 PMOS
.OP
.PRINT TRAN v(210) v(220) v(310) v(320)
.TRAN 0.1ms 0.2s
.END
.
&lt;/pre&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_ZVS&quot;&gt;Zero Voltage Switching (ZVS) Flyback Converter&lt;/a&gt;&lt;/p&gt;
&lt;script type=&quot;text/javascript&quot;&gt;
&lt;!--
var id=&quot;spice_ZVS&quot;;
// --&gt;
&lt;/script&gt;
&lt;div id=&quot;define&quot;&gt;&lt;/div&gt;
&lt;script type=&quot;text/javascript&quot; src=&quot;https://ix86.org/spice/common_spice_main.js&quot;&gt;&lt;/script&gt;

&lt;p&gt;Reference&lt;/p&gt;
&lt;p&gt;[1] Design and Development of a Series-Configuration Mazzilli Zero Voltage Switching Flyback Converter as a High-Voltage Power Supply for Needleless Electrospinning
       ScienceDirect 170 (2017) 509–515&lt;/p&gt;</content><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/2033198036845507110'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/2033198036845507110'/><link rel='alternate' type='text/html' href='http://spice-online.blogspot.com/2023/11/zvs.html' title='Zero Voltage Switching (ZVS) Flyback Converter'/><author><name>Unknown</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author></entry><entry><id>tag:blogger.com,1999:blog-2533469192062593028.post-6923271138681447164</id><published>2023-10-30T05:23:00.006+09:00</published><updated>2023-10-30T05:25:16.711+09:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="CMOS-SchmittTrigger-LC-Oscillator"/><title type='text'>LC Oscillator</title><content type='html'>&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_CMOS-SchmittTrigger-LC-Oscillator&quot;&gt;LC Oscillator&lt;/a&gt;&lt;/p&gt;

&lt;pre&gt;
* CMOS Schmitt Trigger LC Oscillator
M1 3 1 5 5 PMOS1
M2 2 1 3 3 PMOS1
M3 4 1 0 0 NMOS1
M4 2 1 4 4 NMOS1
M5 0 2 3 3 PMOS1
M6 5 2 4 4 NMOS1
C1 2 0 1p
C2 1 0 1p
VIN 5 0 0V pulse ( 0 5 20ns 10ns 10s 20s 60s)
C10 1 0 100u
C20 2 5 100u
L10 1 2 200u
.MODEL NMOS1 NMOS
.MODEL PMOS1 PMOS
.OP
.PRINT TRAN v(5) v(1) v(3) v(4) v(2)
.TRAN 100ms 10s
.END
.
&lt;/pre&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/spice_Oscillator-Hartley.txt&quot;&gt;Oscillator-Hartley ( TXT ) &lt;/a&gt;&lt;/p&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_CMOS-SchmittTrigger-LC-Oscillator&quot;&gt;LC Oscillator&lt;/a&gt;&lt;/p&gt;
&lt;script type=&quot;text/javascript&quot;&gt;
&lt;!--
var id=&quot;spice_CMOS-SchmittTrigger-LC-Oscillator&quot;;
// --&gt;
&lt;/script&gt;
&lt;div id=&quot;define&quot;&gt;&lt;/div&gt;
&lt;script type=&quot;text/javascript&quot; src=&quot;https://ix86.org/spice/common_spice_main.js&quot;&gt;&lt;/script&gt;
</content><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/6923271138681447164'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/6923271138681447164'/><link rel='alternate' type='text/html' href='http://spice-online.blogspot.com/2023/10/lc-oscillator.html' title='LC Oscillator'/><author><name>Unknown</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author></entry><entry><id>tag:blogger.com,1999:blog-2533469192062593028.post-4336558417945488447</id><published>2023-07-23T15:25:00.005+09:00</published><updated>2023-07-24T20:41:56.407+09:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="Oscillator-ChaoticAttractor"/><title type='text'>PSpice / GNUCAP :: A Chaotic Attractor from Chua&#39;s Circuit</title><content type='html'>&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_Oscillator-ChaoticAttractor&quot;&gt;spice_Oscillator-ChaoticAttractor&lt;/a&gt;&lt;/p&gt;
&lt;script type=&quot;text/javascript&quot;&gt;
&lt;!--
var id=&quot;spice_Oscillator-ChaoticAttractor&quot;;
// --&gt;
&lt;/script&gt;
&lt;div id=&quot;define&quot;&gt;&lt;/div&gt;
&lt;script type=&quot;text/javascript&quot; src=&quot;https://ix86.org/spice/common_spice_main.js&quot;&gt;&lt;/script&gt;
&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/spice_Oscillator-ChaoticAttractor.png&quot; alt=&quot; Chaotic Attractor from Chua&#39;s Circuit&quot;&gt;&lt;/p&gt;
  
&lt;p&gt;References&lt;/p&gt;
&lt;p&gt;[1]A Chaotic Attractor from Chua&#39;s Circuit, Matsumoto, Takashi (December 1984), IEEE Transactions on Circuits and Systems. IEEE. CAS-31 (12): 1055–1058.&lt;/p&gt;</content><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/4336558417945488447'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/4336558417945488447'/><link rel='alternate' type='text/html' href='http://spice-online.blogspot.com/2023/07/spiceoscillator-chaoticattractor.html' title='PSpice / GNUCAP :: A Chaotic Attractor from Chua&#39;s Circuit'/><author><name>Unknown</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author></entry><entry><id>tag:blogger.com,1999:blog-2533469192062593028.post-5963135487098371354</id><published>2023-01-05T09:15:00.009+09:00</published><updated>2023-06-14T20:24:32.106+09:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="3P-shortcircuit"/><title type='text'>PSpice :: 3-Phase short circuit simuration</title><content type='html'>&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_3P-shortcircuit&quot;&gt;spice_3P-shortcircuit&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Net List&lt;/p&gt;
&lt;ul&gt;
&lt;pre&gt;
*Three Phase AC
V1  1  100  SIN(0 163.3 60 0 0)
V2  2  100  SIN(0 163.3 60 -0.005555 0)
V3  3  100  SIN(0 163.3 60 -0.011111 0)
R100 100 0 1MEG
R11   1  11  1u
L11   11 12  7.957m
R12   12 200 4
R21   2  21  1u
L21   21  22  7.957m
R22   22  200  4
R31   3  31  1u
L31   31  32  7.957m
R32   32  200  4
R200 200 0 1MEG
E15     15 0 1 11 1MEG
R15     15 0  1k
E25     25 0 2 21 1MEG
R25     25 0  1k
E35     35 0 3 31 1MEG
R35     35 0  1k
E16     16 0 2 1 1
R16     16 0  1k
E26     26 0 3 2 1
R26     26 0  1k
E36     36 0 1 3 1
R36     36 0  1k
.PLOT TRAN v(1) v(15)
.TRAN  .06m  30m  0  3m
.END
.
&lt;/pre&gt;
&lt;/ul&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_3P-shortcircuit&quot;&gt;spice_3P-shortcircuit&lt;/a&gt;&lt;/p&gt;

&lt;script type=&quot;text/javascript&quot;&gt;
&lt;!--
var id=&quot;spice_3P-shortcircuit&quot;;
// --&gt;
&lt;/script&gt;
&lt;div id=&quot;define&quot;&gt;&lt;/div&gt;
&lt;script type=&quot;text/javascript&quot; src=&quot;https://ix86.org/spice/common_spice_main.js&quot;&gt;&lt;/script&gt;</content><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/5963135487098371354'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/5963135487098371354'/><link rel='alternate' type='text/html' href='http://spice-online.blogspot.com/2023/01/3-phase-short-circuit.html' title='PSpice :: 3-Phase short circuit simuration'/><author><name>Unknown</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author></entry><entry><id>tag:blogger.com,1999:blog-2533469192062593028.post-7416316512150009273</id><published>2023-01-03T00:50:00.003+09:00</published><updated>2023-07-01T12:37:25.991+09:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="Filter-CR-STEP"/><title type='text'>CR Transient Responce</title><content type='html'>&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_Filter-CR-STEP&quot;&gt;CR Transient Responce&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_Filter-CR-STEP&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_Filter-CR-STEP.png&quot; alt=&quot;CR Integrator&quot; width=&quot;320&quot; height=&quot;240&quot;&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Net List&lt;/p&gt;
&lt;ul&gt;
&lt;pre&gt;
* CR Transient Responce
V1  1  0  pulse(0V  1V  .5ms  0  0  1ms  3ms)
C1  1  2  .1u
R1  0  2  1k
.TRAN  .06m  6m  0  3m
.PLOT TRAN v(2) v(1)
.END
.
&lt;/pre&gt;
&lt;/ul&gt;

&lt;p&gt;See Also ...&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;&lt;a href=&quot;/search/label/Filter-CR-STEP&quot;&gt;CR Integrator&lt;/a&gt;
&lt;/ul&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_Filter-CR-STEP&quot;&gt;CR Transient Responce&lt;/a&gt;&lt;/p&gt;

&lt;script type=&quot;text/javascript&quot;&gt;
&lt;!--
var id=&quot;spice_Filter-CR-STEP&quot;;
// --&gt;
&lt;/script&gt;
&lt;div id=&quot;define&quot;&gt;&lt;/div&gt;
&lt;script type=&quot;text/javascript&quot; src=&quot;https://ix86.org/spice/common_spice_main.js&quot;&gt;&lt;/script&gt;

&lt;iframe width=&quot;560&quot; height=&quot;315&quot; src=&quot;https://www.youtube.com/embed/x9m_Xyj0KiA&quot; title=&quot;YouTube video player&quot; frameborder=&quot;0&quot; allow=&quot;accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture&quot; allowfullscreen&gt;&lt;/iframe&gt;</content><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/7416316512150009273'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/7416316512150009273'/><link rel='alternate' type='text/html' href='http://spice-online.blogspot.com/2023/01/cr.html' title='CR Transient Responce'/><author><name>Unknown</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://img.youtube.com/vi/x9m_Xyj0KiA/default.jpg" height="72" width="72"/></entry><entry><id>tag:blogger.com,1999:blog-2533469192062593028.post-5623210048088563569</id><published>2016-10-10T14:24:00.005+09:00</published><updated>2023-07-01T13:35:07.656+09:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="SW-selector"/><title type='text'>PSpice / GNUCAP :: Selector Switch</title><content type='html'>&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_SW-selector&quot;&gt;Selector Switch&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_SW-selector&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_SW-selector_FIG.png&quot; alt=&quot;Selector Switch&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_SW-selector.png&quot; alt=&quot;Selector Switch&quot;
 width=&quot;320&quot; height=&quot;240&quot;&gt;&lt;/a&gt;&lt;/p&gt;


&lt;pre&gt;
* SW Inverter
X1 3 2 1 0 SWNC
X2 2 0 1 0 SWNO
C1 2 0 0.05p
VCC1 3 0 5V
VIN 1 0 0V pulse ( 5 0 1ns 1ns 1ns 40ns 80ns)
.SUBCKT SWNO   1 2 3 4
S1 1 2 3 4 SW2
.ENDS
.SUBCKT SWNC   1 2 3 4
S2 1 2 4 3 SW1
.ENDS
.MODEL SW1 SW VT=-2.5V
.MODEL SW2 SW VT=2.5V
.OP
.TRAN 0.5ns 100ns
.PLOT TRAN v(1) v(2)
.END
.
&lt;/pre&gt;

&lt;p&gt;Switches&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;General form:
&lt;li&gt;SXXXXXXX N+ N- NC+ NC- MODEL
&lt;ul&gt;
 &lt;li&gt;Nodes N+ and N- are the nodes between which the switch terminals are connected. 
 &lt;li&gt;The model name is mandatory while the initial conditions are optional.
 &lt;li&gt;For the voltage controlled switch, nodes NC+ and NC- are the positive and negative controlling nodes respectively.
&lt;/ul&gt;
&lt;/ul&gt;

&lt;p&gt;SW SPice Model: SW1&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;SPICE derective: .MODEL SW1 SW VT=-2.5V
&lt;li&gt;SPICE derective(On LTspice): .Model SW1 SW(Vt=-2.5)
 &lt;ul&gt;
 &lt;li&gt;parameters
 &lt;li&gt;VT:threshold voltage  
 &lt;/ul&gt;
&lt;/ul&gt;


&lt;p&gt;SW SPice Model: SW2&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;SPICE derective: .MODEL SW2 SW VT=2.5V
&lt;li&gt;SPICE derective(On LTspice): .Model SW2 SW(Vt=2.5)
 &lt;ul&gt;
 &lt;li&gt;parameters
 &lt;li&gt;VT:threshold voltage  
 &lt;/ul&gt;
&lt;/ul&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/spice_SW-selector.txt&quot;&gt;SW-selector ( TXT ) &lt;/a&gt;&lt;/p&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_SW-selector&quot;&gt;SW-selector ( Online )&lt;/a&gt;&lt;/p&gt;
&lt;script type=&quot;text/javascript&quot;&gt;
&lt;!--
var id=&quot;spice_SW-selector&quot;;
// --&gt;
&lt;/script&gt;
&lt;div id=&quot;define&quot;&gt;&lt;/div&gt;
&lt;script type=&quot;text/javascript&quot; src=&quot;https://ix86.org/spice/common_spice_main.js&quot;&gt;&lt;/script&gt;</content><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/5623210048088563569'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/5623210048088563569'/><link rel='alternate' type='text/html' href='http://spice-online.blogspot.com/2016/10/selector-switch.html' title='PSpice / GNUCAP :: Selector Switch'/><author><name>Unknown</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author></entry><entry><id>tag:blogger.com,1999:blog-2533469192062593028.post-2891458258827296756</id><published>2016-10-10T12:38:00.003+09:00</published><updated>2023-07-01T13:21:42.619+09:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="Pulse-Negative-Edge-Detector"/><title type='text'>PSpice / GNUCAP :: Negative Edge Pulse Detector</title><content type='html'>&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_Pulse-Negative-Edge-Detector&quot;&gt;Negative Edge Pulse Detector&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_Pulse-Negative-Edge-Detector&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_Pulse-Negative-Edge-Detector_FIG.png&quot; alt=&quot;Pulse-Negative-Edge-Detector&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_Pulse-Negative-Edge-Detector.png&quot; alt=&quot;Pulse-Negative-Edge-Detector&quot;
width=&quot;320&quot; height=&quot;240&quot;&gt;&lt;/a&gt;&lt;/p&gt;

&lt;pre&gt;
* Negative Edge Pulse Detector
VCC 5 0 5V
VIN 1 0 PWL(0ms 5 10ms 5 10.01ms 0 20ms 0 20.01ms 5 )
C1  2 1 .1u
R1  2 0 10k
R2  2 5 1k
XNAND1 7 2 3 5 0 NAND
C2  3 4 1u
R3  4 0 100k
XNAND2 5 4 7 5 0 NAND
.SUBCKT NAND 1 2 3 5 6
M1 3 1 5 5 PMOS1
M2 3 2 5 5 PMOS1
M3 3 1 4 4 NMOS1
M4 4 2 6 6 NMOS1
C1 3 6 0.01p
.ENDS
.MODEL NMOS1 NMOS
.MODEL PMOS1 PMOS
.OP
.TRAN 0.5ms 100ms
.PLOT TRAN v(3)+12 v(2)+6 v(1)
.END
.
&lt;/pre&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/spice_Pulse-Negative-Edge-Detector.txt&quot;&gt;Pulse-Negative-Edge-Detector ( TXT ) &lt;/a&gt;&lt;/p&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_Pulse-Negative-Edge-Detector&quot;&gt;Pulse-Negative-Edge-Detector ( Online )&lt;/a&gt;&lt;/p&gt;
&lt;script type=&quot;text/javascript&quot;&gt;
&lt;!--
var id=&quot;spice_Pulse-Negative-Edge-Detector&quot;;
// --&gt;
&lt;/script&gt;
&lt;div id=&quot;define&quot;&gt;&lt;/div&gt;
&lt;script type=&quot;text/javascript&quot; src=&quot;https://ix86.org/spice/common_spice_main.js&quot;&gt;&lt;/script&gt;
</content><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/2891458258827296756'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/2891458258827296756'/><link rel='alternate' type='text/html' href='http://spice-online.blogspot.com/2016/10/negative-edge-pulse-detector.html' title='PSpice / GNUCAP :: Negative Edge Pulse Detector'/><author><name>Unknown</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author></entry><entry><id>tag:blogger.com,1999:blog-2533469192062593028.post-4583855233205761148</id><published>2014-03-14T00:47:00.002+09:00</published><updated>2023-06-14T23:47:36.908+09:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="CMOS-TransmissionGate"/><title type='text'>PSpice / GNUCAP :: CMOS Transmission Gate</title><content type='html'>&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_CMOS-TransmissionGate&quot;&gt;CMOS TransmissionGate&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_CMOS-TransmissionGate&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_CMOS-TransmissionGate_FIG.png&quot; alt=&quot;CMOS-TransmissionGate&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_CMOS-TransmissionGate.png&quot; alt=&quot;CMOS-TransmissionGate&quot; width=&quot;320&quot; height=&quot;240&quot;&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;PSPICE Net list&lt;/p&gt;
&lt;ul&gt;
&lt;pre&gt;
*CMOS Transmission Gate
VCC 5 0 5V
VI1 1 0 0V pulse ( 5 0 1ns 1ns 1ns 40ns 80ns)
R1  2 0 100k
XTG1 1 2 5 0 5 0 TG
.SUBCKT TG 1 2 3 4 5 6
M1 2 4 1 5 PMOS1
M2 2 3 1 6 NMOS1
C1 2 6 0.01p
.ENDS
.MODEL NMOS1 NMOS
.MODEL PMOS1 PMOS
.OP
.TRAN 0.5ns 100ns
.PLOT TRAN v(2)+6 v(1)
.END
.
&lt;/pre&gt;
&lt;/ul&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/spice_CMOS-TransmissionGate_FIG.DXF&quot;&gt;CMOS TransmissionGate Fig. ( spice_CMOS-TransmissionGate_FIG.DXF ) &lt;/a&gt;&lt;/p&gt;
&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/spice_CMOS-TransmissionGate.txt&quot;&gt;CMOS TransmissionGate PSPICE Net list ( spice_CMOS-TransmissionGate.txt ) &lt;/a&gt;&lt;/p&gt;
&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/spice_CMOS-TransmissionGate.pdf&quot;&gt;CMOS TransmissionGate Summary ( spice_CMOS-TransmissionGate.pdf ) &lt;/a&gt;&lt;/p&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_CMOS-TransmissionGate&quot;&gt;CMOS TransmissionGate&lt;/a&gt;&lt;/p&gt;
&lt;script type=&quot;text/javascript&quot;&gt;
&lt;!--
var id=&quot;spice_CMOS-TransmissionGate&quot;;
// --&gt;
&lt;/script&gt;
&lt;div id=&quot;define&quot;&gt;&lt;/div&gt;
&lt;script type=&quot;text/javascript&quot; src=&quot;https://ix86.org/spice/common_spice_main.js&quot;&gt;&lt;/script&gt;</content><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/4583855233205761148'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/4583855233205761148'/><link rel='alternate' type='text/html' href='http://spice-online.blogspot.com/2014/03/cmos-transmissiongate.html' title='PSpice / GNUCAP :: CMOS Transmission Gate'/><author><name>Unknown</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author></entry><entry><id>tag:blogger.com,1999:blog-2533469192062593028.post-6918030165323373497</id><published>2013-12-17T20:44:00.004+09:00</published><updated>2023-07-01T13:36:53.154+09:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="Tr-Hysteresis"/><title type='text'>PSpice / GNUCAP :: Transistor Hysteresis Characteristics</title><content type='html'>&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_Tr-Hysteresis&quot;&gt;Tr Hysteresis Characteristics&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_Tr-Hysteresis&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_Tr-Hysteresis_FIG.png&quot; alt=&quot;Tr Hysteresis Characteristics&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_Tr-Hysteresis.png&quot; alt=&quot;Tr Hysteresis Characteristics&quot;
width=&quot;320&quot; height=&quot;240&quot;&gt;&lt;/a&gt;&lt;/p&gt;

&lt;pre&gt;
*Hysteresis Characteristics
Vc  5  0  5
V1  11 0  1
V2  1  11 0 sin( 0 1 25MEG )
RB  1 2   .1k
RC1 5 4   2k
RE1 3 0   10
Q1  4 2 3 QNPN
RC2 5 8   .2k
RE2 7 0   10
Q2  8 6 7 QNPN
R1  4 6   .1
C1  6 0   .1p
R2  3 7   .01
.MODEL QNPN NPN()
.TRAN   .1n 100n 0
.PLOT TRAN v(8) v(4) v(1) 
.END
.
&lt;/pre&gt;
&lt;ul&gt;
  V_HT=R_E / ( R_E+R_C2 ) V_CC&lt;BR&gt;
  V_LT=R_E / ( R_E+R_C1 ) V_CC&lt;BR&gt;
&lt;/ul&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_Tr-Hysteresis&quot;&gt;Tr Hysteresis Characteristics ( Online )&lt;/a&gt;&lt;/p&gt;

&lt;script type=&quot;text/javascript&quot;&gt;
&lt;!--
var id=&quot;spice_Tr-Hysteresis&quot;;
// --&gt;
&lt;/script&gt;
&lt;div id=&quot;define&quot;&gt;&lt;/div&gt;
&lt;script type=&quot;text/javascript&quot; src=&quot;https://ix86.org/spice/common_spice_main.js&quot;&gt;&lt;/script&gt;</content><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/6918030165323373497'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/6918030165323373497'/><link rel='alternate' type='text/html' href='http://spice-online.blogspot.com/2013/12/transistor-hysteresis-characteristics.html' title='PSpice / GNUCAP :: Transistor Hysteresis Characteristics'/><author><name>Unknown</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author></entry><entry><id>tag:blogger.com,1999:blog-2533469192062593028.post-2138958784838443947</id><published>2012-05-25T18:36:00.002+09:00</published><updated>2023-07-01T12:47:46.818+09:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="OpAmp"/><title type='text'>Op-Amp Applications / INDEX</title><content type='html'>&lt;a href=&quot;https://spice-online.blogspot.com/search/label/OpAmp-InvertingAmp&quot;&gt;
Op Amp Inverting Amplifier
&lt;/a&gt;
&lt;br /&gt;

&lt;script type=&quot;text/javascript&quot;&gt;&lt;!--
 google_ad_client = &quot;pub-8555727143619266&quot;;
 /* 728x15, 作成済み 08/02/08 */
 google_ad_slot = &quot;4621339585&quot;;
 google_ad_width = 728;
 google_ad_height = 15;
 //--&gt;
 &lt;/script&gt;
 &lt;script type=&quot;text/javascript&quot;
 src=&quot;http://pagead2.googlesyndication.com/pagead/show_ads.js&quot;&gt;
 &lt;/script&gt;

&lt;ul&gt;
&lt;NOBR&gt;
&lt;a href=&quot;/search/label/OpAmp-InvertingAmp&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_OpAmp-InvertingAmp_FIG.png&quot; alt=&quot;Op Amp Inverting Amplifier&quot; border=0&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_OpAmp-InvertingAmp.png&quot;
alt=&quot;Op Amp Inverting Amplifier&quot;
width=&quot;320&quot; height=&quot;240&quot;&gt;&lt;/a&gt;
&lt;/NOBR&gt;
&lt;/ul&gt;

&lt;a href=&quot;/search/label/OpAmp-NonInvertingAmp&quot;&gt;
Op Amp Non-Inverting Amplifier
&lt;/a&gt;
&lt;ul&gt;
&lt;NOBR&gt;
&lt;a href=&quot;/search/label/OpAmp-NonInvertingAmp&quot;&gt;
&lt;IMG src=&quot;http://ix86.org/spice/spice_OpAmp-NonInvertingAmp_FIG.png&quot;  alt=&quot;Op Amp Non-Inverting Amplifier&quot; border=0&gt;
&lt;IMG src=&quot;http://ix86.org/spice/spice_OpAmp-NonInvertingAmp.png&quot;
alt=&quot;Op Amp Non-Inverting Amplifier&quot;
width=&quot;320&quot; height=&quot;240&quot;&gt;
&lt;/a&gt;
&lt;/NOBR&gt;
&lt;/ul&gt;


&lt;a href=&quot;/search/label/OpAmp-VoltageFollower&quot;&gt;
Op Amp Voltage Follower
&lt;/a&gt;
&lt;ul&gt;
&lt;NOBR&gt;
&lt;a href=&quot;/search/label/OpAmp-VoltageFollower&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_OpAmp-VoltageFollower_FIG.png&quot; alt=&quot;Op Amp Voltage Follower&quot; border=0&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_OpAmp-VoltageFollower.png&quot;
alt=&quot;Op Amp Non-Inverting Amplifier&quot;
width=&quot;320&quot; height=&quot;240&quot;&gt;
&lt;/a&gt;
&lt;/NOBR&gt;
&lt;/ul&gt;

&lt;a href=&quot;/search/label/OpAmp-Model&quot;&gt;
Op Amp Simplified Model
&lt;/a&gt;
&lt;ul&gt;
&lt;a href=&quot;/search/label/OpAmp-Model&quot;&gt;
&lt;IMG src=&quot;http://ix86.org/spice/spice_OpAmp-Model_FIG.png&quot;
alt=&quot;OpAmp-Model&quot;&gt;
&lt;/a&gt;
&lt;/ul&gt;</content><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/2138958784838443947'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/2138958784838443947'/><link rel='alternate' type='text/html' href='http://spice-online.blogspot.com/2009/05/op-amp.html' title='Op-Amp Applications / INDEX'/><author><name>Unknown</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author></entry><entry><id>tag:blogger.com,1999:blog-2533469192062593028.post-3978723810153963004</id><published>2011-10-26T22:11:00.008+09:00</published><updated>2023-10-18T15:38:22.846+09:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="CMOS-SchmittTrigger"/><title type='text'>PSpice / GNUCAP :: CMOS Schmitt Trigger</title><content type='html'>&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_CMOS-SchmittTrigger&quot;&gt;CMOS Schmitt Trigger&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_CMOS-SchmittTrigger&quot;&gt;
&lt;nobr&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_CMOS-SchmittTrigger_FIG.png&quot; alt=&quot;CMOS-SchmittTrigger&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_CMOS-SchmittTrigger.png&quot; alt=&quot;CMOS-SchmittTrigger&quot; width=&quot;320&quot; height=&quot;240&quot;&gt;
&lt;/nobr&gt;
&lt;/a&gt;
&lt;/p&gt;

&lt;p&gt;PSPICE Netlist&lt;/p&gt;
 &lt;ul&gt;
 &lt;pre&gt;
 * CMOS Schmitt Trigger
 M1 3 1 5 5 PMOS1
 M2 2 1 3 3 PMOS1
 M3 4 1 0 0 NMOS1
 M4 2 1 4 4 NMOS1
 M5 0 2 3 3 PMOS1
 M6 5 2 4 4 NMOS1
 C1 2 0 0.002p
 VCC 5 0 5V
 VIN 1 0 0V pulse ( 5 0 20ns 10ns 10ns 20ns 60ns)
 .MODEL NMOS1 NMOS
 .MODEL PMOS1 PMOS
 .OP
 .TRAN 0.5ns 100ns
 .PLOT TRAN v(2) v(1) 
 .END
 .
 &lt;/pre&gt;
 &lt;/ul&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/spice_CMOS-SchmittTrigger_FIG.DXF&quot;&gt;CMOS SchmittTrigger Fig.( spice_CMOS-SchmittTrigger.DXF )&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/spice_CMOS-SchmittTrigger.txt&quot;&gt;CMOS SchmittTrigger Data ( spice_CMOS-SchmittTrigger.txt )&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/spice_CMOS-SchmittTrigger.pdf&quot;&gt;CMOS SchmittTrigger Summary ( spice_CMOS-SchmittTrigger.pdf ) &lt;/a&gt;&lt;/p&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_CMOS-SchmittTrigger&quot;&gt;CMOS Schmitt Trigger&lt;/a&gt;&lt;/p&gt;
&lt;script type=&quot;text/javascript&quot;&gt;
&lt;!--
var id=&quot;spice_CMOS-SchmittTrigger&quot;;
// --&gt;
&lt;/script&gt;
&lt;div id=&quot;define&quot;&gt;&lt;/div&gt;
&lt;script type=&quot;text/javascript&quot; src=&quot;https://ix86.org/spice/common_spice_main.js&quot;&gt;&lt;/script&gt;

&lt;iframe width=&quot;1180&quot; height=&quot;664&quot; src=&quot;https://www.youtube.com/embed/QPyiYzWWFRw&quot; title=&quot;CMOS Schmitt Trigger [PSpice/GNUCAP] #shorts&quot; frameborder=&quot;0&quot; allow=&quot;accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share&quot; allowfullscreen&gt;&lt;/iframe&gt;
</content><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/3978723810153963004'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/3978723810153963004'/><link rel='alternate' type='text/html' href='http://spice-online.blogspot.com/2011/10/cmos-schmitttrigger.html' title='PSpice / GNUCAP :: CMOS Schmitt Trigger'/><author><name>Unknown</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://img.youtube.com/vi/QPyiYzWWFRw/default.jpg" height="72" width="72"/></entry><entry><id>tag:blogger.com,1999:blog-2533469192062593028.post-4247872796892240179</id><published>2010-03-14T07:04:00.003+09:00</published><updated>2023-07-01T13:39:52.365+09:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="Tr-NPN-CB-DC"/><title type='text'>Transistor :: NPN Common-Base Amplifier / DC Characteristic</title><content type='html'>&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_Tr-NPN-CB-DC&quot;&gt;NPN Common-Base Amplifier ( Online )&lt;/a&gt;&lt;/p&gt;


&lt;p&gt;Transistor :: NPN Common-Base Amplifier / DC Characteristic &lt;/p&gt;
&lt;p&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_Tr-NPN-CB-DC&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_Tr-NPN-CB-DC_FIG.png&quot; alt=&quot;NPN Common-Base Amplifier&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_Tr-NPN-CB-DC.png&quot; alt=&quot;NPN Common-Base Amplifier&quot;
width=&quot;320&quot; height=&quot;240&quot;&gt;&lt;/a&gt;&lt;/p&gt;

 &lt;ul&gt;    
  &lt;li&gt; Av = Vout/Vin = (gmRE+1)RC / RC+RE ~= gmRC (where RE &gt;&gt; RC)
  &lt;li&gt; Ai = iout/iin  ~= 1 (where beta &gt;&gt; 1)
 &lt;/ul&gt;

&lt;p&gt;
&lt;pre&gt;
*Tr Characteristics Tr-NPN-CB-DC
Vcc 2 0 12
Vbb 1 0 0
Rc 2 3 100
Re 4 1 50
Q1 3 0 4 QNPN
.MODEL QNPN NPN()
.PLOT DC v(1) v(3) v(4)
.DC Vbb -12 12 0.5
.END
.
&lt;/pre&gt;
&lt;/p&gt;

&lt;p&gt;See Also ...&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;&lt;a href=&quot;/search/label/Tr-NPN-CC-DC&quot;&gt;
Tr-NPN-CC-DC&lt;/a&gt;
&lt;/ul&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_Tr-NPN-CB-DC&quot;&gt;NPN Common-Base Amplifier ( Online )&lt;/a&gt;&lt;/p&gt;

&lt;script type=&quot;text/javascript&quot;&gt;
&lt;!--
var id=&quot;spice_Tr-NPN-CB-DC&quot;;
// --&gt;
&lt;/script&gt;
&lt;div id=&quot;define&quot;&gt;&lt;/div&gt;
&lt;script type=&quot;text/javascript&quot; src=&quot;https://ix86.org/spice/common_spice_main.js&quot;&gt;&lt;/script&gt;
</content><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/4247872796892240179'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/4247872796892240179'/><link rel='alternate' type='text/html' href='http://spice-online.blogspot.com/2010/03/tr-npn-cb-dc.html' title='Transistor :: NPN Common-Base Amplifier / DC Characteristic'/><author><name>Unknown</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author></entry><entry><id>tag:blogger.com,1999:blog-2533469192062593028.post-1524094056207422430</id><published>2010-03-13T23:19:00.005+09:00</published><updated>2023-07-01T13:42:44.346+09:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="Tr-NPN-CC-DC"/><title type='text'>Transistor :: NPN Common-Collector Amplifier</title><content type='html'>&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_Tr-NPN-CC-DC&quot;&gt;NPN Common-Collector Amplifier ( Online )&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Transistor :: NPN Common-Collector Amplifier / DC Characteristic &lt;/p&gt;

&lt;p&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_Tr-NPN-CC-DC&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_Tr-NPN-CC-DC_FIG.png&quot; alt=&quot;NPN Common-Collector Amplifier&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_Tr-NPN-CC-DC.png&quot; alt=&quot;NPN Common-Collector Amplifier&quot;
width=&quot;320&quot; height=&quot;240&quot;&gt;&lt;/a&gt;&lt;/p&gt;

&lt;ul&gt;    
  &lt;li&gt; Av = Vout/Vin = gmRE / gmRE+1 ~= 1 (where gmRE &gt;&gt; 1)
  &lt;li&gt; Ai = iout/iin = beta +1 ~= beta (where beta &gt;&gt; 1)
&lt;/ul&gt;

&lt;pre&gt;
*Tr Characteristics
Vcc 3 0 12
Vbb 1 0 0
Re 4 0 100
Rb 1 5 1k
Q1 3 5 4 QNPN
.MODEL QNPN NPN()
.PLOT DC v(1) v(5) v(4)
.DC Vbb 0 12 0.5
.END
.
&lt;/pre&gt;

&lt;p&gt;See Also ...&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;&lt;a href=&quot;/search/label/Tr-NPN-CE-DC&quot;&gt;Tr-NPN-CE-DC&lt;/a&gt;
&lt;/ul&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_Tr-NPN-CC-DC&quot;&gt;NPN Common-Collector Amplifier ( Online )&lt;/a&gt;&lt;/p&gt;

&lt;script type=&quot;text/javascript&quot;&gt;
&lt;!--
var id=&quot;spice_Tr-NPN-CC-DC&quot;;
// --&gt;
&lt;/script&gt;
&lt;div id=&quot;define&quot;&gt;&lt;/div&gt;
&lt;script type=&quot;text/javascript&quot; src=&quot;https://ix86.org/spice/common_spice_main.js&quot;&gt;&lt;/script&gt;
</content><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/1524094056207422430'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/1524094056207422430'/><link rel='alternate' type='text/html' href='http://spice-online.blogspot.com/2010/03/tr-npn-cc-dc.html' title='Transistor :: NPN Common-Collector Amplifier'/><author><name>Unknown</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author></entry><entry><id>tag:blogger.com,1999:blog-2533469192062593028.post-9067615374523619324</id><published>2010-03-13T23:06:00.005+09:00</published><updated>2023-07-01T14:33:45.867+09:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="Transistor"/><title type='text'>Transistor :: INDEX</title><content type='html'>&lt;a href=&quot;https://spice-online.blogspot.com/search/label/Tr-NPN-CE-DC&quot;&gt;
Transistor :: NPN Common-Emittor Amplifier
&lt;/a&gt;
&lt;ul&gt;
&lt;NOBR&gt;
&lt;a href=&quot;https://spice-online.blogspot.com/search/label/Tr-NPN-CE-DC&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_Tr-NPN-CE-DC_FIG.png&quot; 
alt=&quot;NPN Common-Emittor Amplifier&quot; border=0&gt;
&lt;/a&gt;
&lt;/NOBR&gt;
&lt;/ul&gt;

&lt;a href=&quot;https://spice-online.blogspot.com/search/label/Tr-NPN-CC-DC&quot;&gt;
Transistor :: NPN Common-Collector Amplifie
&lt;/a&gt;
&lt;ul&gt;
&lt;NOBR&gt;
&lt;a href=&quot;https://spice-online.blogspot.com/search/label/Tr-NPN-CC-DC&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_Tr-NPN-CC-DC_FIG.png&quot; 
alt=&quot;NPN Common-Collector Amplifie&quot; border=0&gt;
&lt;/a&gt;
&lt;/NOBR&gt;
&lt;/ul&gt;

&lt;a href=&quot;https://spice-online.blogspot.com/search/label/Tr-NPN-CB-DC&quot;&gt;
Transistor :: NPN Common-Base Amplifie
&lt;/a&gt;
&lt;ul&gt;
&lt;NOBR&gt;
&lt;a href=&quot;https://spice-online.blogspot.com/search/label/Tr-NPN-CB-DC&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_Tr-NPN-CB-DC_FIG.png&quot; 
alt=&quot;NPN Common-Base Amplifie&quot; border=0&gt;
&lt;/a&gt;
&lt;/NOBR&gt;
&lt;/ul&gt;</content><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/9067615374523619324'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/9067615374523619324'/><link rel='alternate' type='text/html' href='http://spice-online.blogspot.com/2010/03/transistor.html' title='Transistor :: INDEX'/><author><name>Unknown</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author></entry><entry><id>tag:blogger.com,1999:blog-2533469192062593028.post-3006476999900686945</id><published>2010-03-12T07:19:00.007+09:00</published><updated>2023-07-01T14:25:15.997+09:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="Tr-NPN-CE-DC-Eq"/><title type='text'>Transistor :: NPN Common-Emittor Amplifier  with Equalizing Circuit</title><content type='html'>&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_Tr-NPN-CE-DC-Eq&quot;&gt;NPN Common-Emittor Amplifier with Equalizing Circuit ( Online )&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Transistor :: NPN Common-Emittor Amplifier with Equalizing Circuit&lt;/p&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_Tr-NPN-CE-DC-Eq&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_Tr-NPN-CE-DC-Eq_FIG.png&quot; alt=&quot;NPN Common-Emittor Transistor Amplifier with Equalizing Circuit&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_Tr-NPN-CE-DC-Eq.png&quot; alt=&quot;NPN Common-Emittor Transistor Amplifier with Equalizing Circuit&quot;
width=&quot;320&quot; height=&quot;240&quot;&gt;&lt;/a&gt;

&lt;pre&gt;
*Tr Characteristics
Vcc 2 0 12
Vbb 1 0 0
Rc 2 3 1k
Re 4 0 100
Rb 1 5 100
Rbb 5 6 1
D2 6 7 Diode
VSENS 7 4 0
D1 6 3 Diode
F1 3 6 VSENS 0.99
.MODEL Diode D()
.DC Vbb 0 12 0.5
.PLOT DC v(1) v(3) v(4)
.END
.
&lt;/pre&gt;

&lt;p&gt;See Also ...&lt;/p&gt;
&lt;ul&gt;
&lt;li&gt;&lt;a href=&quot;/search/label/Tr-NPN-CE-DC&quot;&gt;Transistor :: NPN Common-Emittor Amplifier&lt;/a&gt;
&lt;/ul&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_Tr-NPN-CE-DC-Eq&quot;&gt;NPN Common-Emittor Amplifier with Equalizing Circuit ( Online )&lt;/a&gt;&lt;/p&gt;

&lt;script type=&quot;text/javascript&quot;&gt;
&lt;!--
var id=&quot;spice_Tr-NPN-CE-DC-Eq&quot;;
// --&gt;
&lt;/script&gt;
&lt;div id=&quot;define&quot;&gt;&lt;/div&gt;
&lt;script type=&quot;text/javascript&quot; src=&quot;https://ix86.org/spice/common_spice_main.js&quot;&gt;&lt;/script&gt;
</content><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/3006476999900686945'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/3006476999900686945'/><link rel='alternate' type='text/html' href='http://spice-online.blogspot.com/2010/03/tr-ec-dc-eq.html' title='Transistor :: NPN Common-Emittor Amplifier  with Equalizing Circuit'/><author><name>Unknown</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author></entry><entry><id>tag:blogger.com,1999:blog-2533469192062593028.post-5179480349184147731</id><published>2010-02-28T11:12:00.032+09:00</published><updated>2023-07-11T01:14:37.613+09:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="3P"/><title type='text'>PSpice / GNUCAP  :: Simulate a 3-phase circuit.</title><content type='html'>&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_3P&quot;&gt;3-phase&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_3P&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_3P.png&quot; alt=&quot;CR Integrator&quot; width=&quot;320&quot; height=&quot;240&quot;&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Net List&lt;/p&gt;
&lt;ul&gt;
&lt;pre&gt;
*Three Phase AC
V1  1  100  SIN(0 163.3 60 0 0)
V2  2  100  SIN(0 163.3 60 -0.005555 0)
V3  3  100  SIN(0 163.3 60 -0.011111 0)
R100 100 0 1MEG
R11   1  11  1u
L11   11 12  7.957m
R12   12 200 4
R21   2  21  1u
L21   21  22  7.957m
R22   22  200  4
R31   3  31  1u
L31   31  32  7.957m
R32   32  200  4
R200 200 0 1MEG
E15     15 0 1 11 1MEG
R15     15 0  1k
E25     25 0 2 21 1MEG
R25     25 0  1k
E35     35 0 3 31 1MEG
R35     35 0  1k
E16     16 0 2 1 1
R16     16 0  1k
E26     26 0 3 2 1
R26     26 0  1k
E36     36 0 1 3 1
R36     36 0  1k
.PLOT TRAN v(1) v(15)
.TRAN  .06m  30m  0  3m
.END
.
&lt;/pre&gt;
&lt;/ul&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_3P&quot;&gt;Three Phase&lt;/a&gt;&lt;/p&gt;

&lt;script type=&quot;text/javascript&quot;&gt;
&lt;!--
var id=&quot;spice_3P&quot;;
// --&gt;
&lt;/script&gt;
&lt;div id=&quot;define&quot;&gt;&lt;/div&gt;
&lt;script type=&quot;text/javascript&quot; src=&quot;https://ix86.org/spice/common_spice_main.js&quot;&gt;&lt;/script&gt;

&lt;iframe width=&quot;560&quot; height=&quot;315&quot; src=&quot;https://www.youtube.com/embed/DTswRd13PRA&quot; title=&quot;YouTube video player&quot; frameborder=&quot;0&quot; allow=&quot;accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture&quot; allowfullscreen&gt;&lt;/iframe&gt;
</content><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/5179480349184147731'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/5179480349184147731'/><link rel='alternate' type='text/html' href='http://spice-online.blogspot.com/2010/02/three-phase-ac.html' title='PSpice / GNUCAP  :: Simulate a 3-phase circuit.'/><author><name>Unknown</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://img.youtube.com/vi/DTswRd13PRA/default.jpg" height="72" width="72"/></entry><entry><id>tag:blogger.com,1999:blog-2533469192062593028.post-4545914368911399162</id><published>2010-01-20T07:36:00.006+09:00</published><updated>2023-07-11T01:09:09.925+09:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="CMOS-RSFlipFlop"/><title type='text'>PSpice / GNUCAP  :: Simulates RS Flip-Flop</title><content type='html'>&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_CMOS-RSFlipFlop&quot;&gt;CMOS RS Flip-Flop&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_CMOS-RSFlipFlop&quot;&gt;
&lt;nobr&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_CMOS-RSFlipFlop_FIG.png&quot; alt=&quot;RS Flip-Flop&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_CMOS-RSFlipFlop.png&quot; alt=&quot;RS Flip-Flop&quot; width=&quot;320&quot; height=&quot;240&quot;&gt;
&lt;/nobr&gt;
&lt;/a&gt;
&lt;/p&gt;

&lt;p&gt;PSPICE Netlist&lt;/p&gt;
&lt;ul&gt;
 &lt;pre&gt;
 *RS Flip-Flop
 VCC 5 0 5V
 VI1 1 0 PWL(0ms 5 10ms 5 10.01ms 0 20ms 0 20.01ms 5 )
 VI2 2 0 PWL(0ms 5 50ms 5 50.01ms 0 60ms 0 60.01ms 5 )
 XNAND1 1 4 3 5 0 NAND
 XNAND2 2 3 4 5 0 NAND
 .SUBCKT NAND 1 2 3 5 6
 M1 3 1 5 5 PMOS1
 M2 3 2 5 5 PMOS1
 M3 3 1 4 4 NMOS1
 M4 4 2 6 6 NMOS1
 C1 3 6 0.01p
 .ENDS
 .MODEL NMOS1 NMOS
 .MODEL PMOS1 PMOS
 .OP
 .TRAN 0.5ms 100ms
 .PLOT TRAN v(3) v(2) v(1)
 .END
 .
 &lt;/pre&gt;
&lt;/ul&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/spice_CMOS-RSFlipFlop_FIG.DXF&quot;&gt;CMOS RS FlipFlop Fig.( spice_CMOS-RSFlipFlop_FIG.DXF ) &lt;/a&gt;&lt;/p&gt;
&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/spice_CMOS-RSFlipFlop.txt&quot;&gt;CMOS RS FlipFlop PSPICE Netlist( spice_CMOS-RSFlipFlop.txt ) &lt;/a&gt;&lt;/p&gt;
&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/spice_CMOS-RSFlipFlop.pdf&quot;&gt;CMOS RS FlipFlop Summary ( spice_CMOS-RSFlipFlop.pdf ) &lt;/a&gt;&lt;/p&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_CMOS-RSFlipFlop&quot;&gt;CMOS RS Flip-Flop&lt;/a&gt;&lt;/p&gt;
&lt;script type=&quot;text/javascript&quot;&gt;
&lt;!--
var id=&quot;spice_CMOS-RSFlipFlop&quot;;
// --&gt;
&lt;/script&gt;
&lt;div id=&quot;define&quot;&gt;&lt;/div&gt;
&lt;script type=&quot;text/javascript&quot; src=&quot;https://ix86.org/spice/common_spice_main.js&quot;&gt;&lt;/script&gt;</content><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/4545914368911399162'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/4545914368911399162'/><link rel='alternate' type='text/html' href='http://spice-online.blogspot.com/2010/01/logic-rsflipflop.html' title='PSpice / GNUCAP  :: Simulates RS Flip-Flop'/><author><name>Unknown</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author></entry><entry><id>tag:blogger.com,1999:blog-2533469192062593028.post-8695133486684748001</id><published>2009-12-06T17:05:00.010+09:00</published><updated>2023-07-01T12:52:59.492+09:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="OpAmp-Hysteresis-Inverting"/><title type='text'>PSpice / GNUCAP :: Op-Amp Hysteresis Inverting Gate</title><content type='html'>&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_OpAmp-Hysteresis-Inverting&quot;&gt;Op-Amp Hysteresis Inverting Gate&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_OpAmp-Hysteresis-Inverting&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_OpAmp-Hysteresis-Inverting_FIG.png&quot; alt=&quot;Op-Amp Hysteresis Inverting Gate&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_OpAmp-Hysteresis-Inverting.png&quot; alt=&quot;Op-Amp Hysteresis Inverting Gate&quot;
width=&quot;320&quot; height=&quot;240&quot;&gt;
&lt;/a&gt;
&lt;/p&gt;


&lt;pre&gt;
*Op-Amp Hysteresis Invering Gate
V1 2 0 0        sin( 0 1.2 500 )
R1 3 0  10k
R2 3 5  10k
R3 1 5  100k
D1 0 5  Diode
D2 5 0  Diode
X1 3 2 1        OPAMP
.SUBCKT OPAMP   1 2 6
R_in    1 2     10MEG
E_gain  3 0 1 2 10k
R_p1    3 4     1k
C_p1    4 0     1.59p
E_buffer        5 0 4 0 1       
R_out   5 6     10
.ENDS
.MODEL Diode D ()
.TRAN   .2m 5m 0
.PLOT TRAN v(2) v(5)
.END
.
&lt;/pre&gt;

&lt;p&gt;See Also :&lt;/p&gt;
 &lt;ul&gt; 
 &lt;li&gt;&lt;a href=&quot;/search/label/OpAmp-Hysteresis&quot;&gt;Op-Amp Hysteresis Non-Inverting Gate&lt;/a&gt;
 &lt;/ul&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/spice_OpAmp-Hysteresis-Inverting.txt&quot;&gt;OpAmp-Hysteresis-Inverting ( TXT ) &lt;/a&gt;&lt;/p&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_OpAmp-Hysteresis-Inverting&quot;&gt;OpAmp-Hysteresis-Inverting ( Online )&lt;/a&gt;&lt;/p&gt;
&lt;script type=&quot;text/javascript&quot;&gt;
&lt;!--
var id=&quot;spice_OpAmp-Hysteresis-Inverting&quot;;
// --&gt;
&lt;/script&gt;
&lt;div id=&quot;define&quot;&gt;&lt;/div&gt;
&lt;script type=&quot;text/javascript&quot; src=&quot;https://ix86.org/spice/common_spice_main.js&quot;&gt;&lt;/script&gt;
</content><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/8695133486684748001'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/8695133486684748001'/><link rel='alternate' type='text/html' href='http://spice-online.blogspot.com/2009/12/hysteresis-opamp-inverting.html' title='PSpice / GNUCAP :: Op-Amp Hysteresis Inverting Gate'/><author><name>Unknown</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author></entry><entry><id>tag:blogger.com,1999:blog-2533469192062593028.post-3377468711276480662</id><published>2009-12-06T09:59:00.004+09:00</published><updated>2023-07-01T12:49:47.699+09:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="OpAmp-Hysteresis"/><title type='text'>PSpice / GNUCAP :: Op-Amp Hysteresis Gate</title><content type='html'>&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_OpAmp-Hysteresis&quot;&gt;Op-Amp Hysteresis Gate&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_OpAmp-Hysteresis&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_OpAmp-Hysteresis_FIG.png&quot; alt=&quot;Op-Amp Hysteresis Gate&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_OpAmp-Hysteresis.png&quot; alt=&quot;Op-Amp Hysteresis Gate&quot;
width=&quot;320&quot; height=&quot;240&quot;&gt;&lt;/a&gt;&lt;/p&gt;

&lt;pre&gt;
*Hysteresis Gate
V1 4 0 0        sin( 0 1.2 500 )
R1 3 4  10k
R2 3 5  10k
R3 1 5  100k
D1 0 5  Diode
D2 5 0  Diode
X1 3 0 1        OPAMP
.SUBCKT OPAMP   1 2 6
R_in    1 2     10MEG
E_gain  3 0 1 2 10k
R_p1    3 4     1k
C_p1    4 0     1.59p
E_buffer        5 0 4 0 1       
R_out   5 6     10
.ENDS
.MODEL Diode D ()
.PLOT TRAN v(4) v(5)
.TRAN   .2m 5m 0
.END
.
&lt;/pre&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/spice_OpAmp-Hysteresis.txt&quot;&gt;OpAmp-Hysteresis ( TXT ) &lt;/a&gt;&lt;/p&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_OpAmp-Hysteresis&quot;&gt;OpAmp-Hysteresis ( Online )&lt;/a&gt;&lt;/p&gt;
&lt;script type=&quot;text/javascript&quot;&gt;
&lt;!--
var id=&quot;spice_OpAmp-Hysteresis&quot;;
// --&gt;
&lt;/script&gt;
&lt;div id=&quot;define&quot;&gt;&lt;/div&gt;
&lt;script type=&quot;text/javascript&quot; src=&quot;https://ix86.org/spice/common_spice_main.js&quot;&gt;&lt;/script&gt;
</content><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/3377468711276480662'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/3377468711276480662'/><link rel='alternate' type='text/html' href='http://spice-online.blogspot.com/2009/12/hysteresis-opamp.html' title='PSpice / GNUCAP :: Op-Amp Hysteresis Gate'/><author><name>Unknown</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author></entry><entry><id>tag:blogger.com,1999:blog-2533469192062593028.post-898969468624420541</id><published>2009-12-05T13:24:00.004+09:00</published><updated>2023-07-01T13:12:33.089+09:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="Oscillator-Hartley"/><title type='text'>PSpice / GNUCAP :: Hartley Oscillator</title><content type='html'>&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_Oscillator-Hartley&quot;&gt;Hartley Oscillator&lt;/a&gt;&lt;/p&gt;
&lt;p&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_Oscillator-Hartley&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_Oscillator-Hartley_FIG.png&quot; alt=&quot;Hartley Oscillator&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_Oscillator-Hartley.png&quot; alt=&quot;Hartley Oscillator&quot;
 width=&quot;320&quot; height=&quot;240&quot;&gt;&lt;/a&gt;&lt;/p&gt;

&lt;pre&gt;
*Hartley Oscillator
L1  102 0 0.033
C1  102 103 4.7u
L2  103 0 0.033
IS  0 104  PWL(0mS 0 .1mS 1m .2mS 1m .3mS 0   1mS 0 )
X2  103 104 102 AMP
.SUBCKT AMP 13 24 41
R11 11 12 1
X1  13 12 11    OPAMP
R21 11 22 1k
R24 24 22 1k
R22 22 21 0.7k
X2  0 22 21     OPAMP
R31 21 32 1k
R32 32 34 0.9k
R34 34 31 0.1k 
D31 34 31 Diode
D32 31 34 Diode
X3  0 32 31     OPAMP
R41 41 42 1
X4  31 42 41    OPAMP
.ENDS
.SUBCKT OPAMP 1 2 6
R_in    1 2     10MEG
E_gain  3 0 1 2 100k
R_p1    3 4     1k
C_p1    4 0     1.59p
E_buffer        5 0 4 0 1
R_out   5 6     10
.ENDS
.MODEL Diode D ()
.TRAN .1m 5m 0
.PLOT TRAN v(103) v(102) v(104)
.END
.
&lt;/pre&gt;

&lt;p&gt;Hartley Oscillator&lt;/p&gt;

&lt;li&gt;Oscillation frequency
 &lt;ul&gt;    
  &lt;pre&gt;
 1/sqrt ( ( L1 + L2 ) C2 )
  &lt;/pre&gt;
 &lt;/ul&gt;
 
 &lt;li&gt;Oscillation Condition
 &lt;ul&gt;    
  &lt;pre&gt;
 A &gt; L1 / L2
  &lt;/pre&gt;
 &lt;/ul&gt;

&lt;p&gt;SEE ALSO&lt;/p&gt;
&lt;ul&gt;
  &lt;li&gt;&lt;a href=&quot;/search/label/Oscillator-Colpitts&quot;&gt;&lt;b&gt;Colpitts Oscillator&lt;/b&gt;&lt;/a&gt;
&lt;/ul&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/spice_Oscillator-Hartley.txt&quot;&gt;Oscillator-Hartley ( TXT ) &lt;/a&gt;&lt;/p&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_Oscillator-Hartley&quot;&gt;Oscillator-Hartley ( Online )&lt;/a&gt;&lt;/p&gt;
&lt;script type=&quot;text/javascript&quot;&gt;
&lt;!--
var id=&quot;spice_Oscillator-Hartley&quot;;
// --&gt;
&lt;/script&gt;
&lt;div id=&quot;define&quot;&gt;&lt;/div&gt;
&lt;script type=&quot;text/javascript&quot; src=&quot;https://ix86.org/spice/common_spice_main.js&quot;&gt;&lt;/script&gt;
</content><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/898969468624420541'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/898969468624420541'/><link rel='alternate' type='text/html' href='http://spice-online.blogspot.com/2009/12/osc-hartleyoscillator.html' title='PSpice / GNUCAP :: Hartley Oscillator'/><author><name>Unknown</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author></entry><entry><id>tag:blogger.com,1999:blog-2533469192062593028.post-8598846321417878493</id><published>2009-12-05T12:03:00.004+09:00</published><updated>2023-07-01T13:10:15.064+09:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="Oscillator-Colpitts"/><title type='text'>PSpice / GNUCAP :: Colpitts Oscillator</title><content type='html'>&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_Oscillator-Colpitts&quot;&gt;Colpitts Oscillator&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_Oscillator-Colpitts&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_Oscillator-Colpitts_FIG.png&quot; alt=&quot;Colpitts Oscillator&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_Oscillator-Colpitts.png&quot; alt=&quot;Colpitts Oscillator&quot;
width=&quot;320&quot; height=&quot;240&quot;&gt;&lt;/a&gt;&lt;/p&gt;


&lt;pre&gt;
*Colpitts Oscillator
C1  102 0 0.033u
L1  102 103 0.47
C2  103 0 0.033u
IS  0 104  PWL(0mS 0 .1mS 1m .2mS 1m .3mS 0   1mS 0 )
X2  103 104 102 AMP
.SUBCKT AMP 13 24 41
R11 11 12 1
X1  13 12 11    OPAMP
R21 11 22 1k
R24 24 22 1k
R22 22 21 0.7k
X2  0 22 21     OPAMP
R31 21 32 1k
R32 32 34 0.9k
R34 34 31 0.1k 
D31 34 31 Diode
D32 31 34 Diode
X3  0 32 31     OPAMP
R41 41 42 1
X4  31 42 41    OPAMP
.ENDS
.SUBCKT OPAMP 1 2 6
R_in    1 2     10MEG
E_gain  3 0 1 2 100k
R_p1    3 4     1k
C_p1    4 0     1.59p
E_buffer        5 0 4 0 1
R_out   5 6     10
.ENDS
.MODEL Diode D ()
.TRAN .1m 5m 0
.PLOT TRAN v(103) v(102) v(104)
.END
.
&lt;/pre&gt;


&lt;p&gt;Colpitts Oscillator&lt;/p&gt;

&lt;li&gt;Oscillation frequency
 &lt;ul&gt;    
  &lt;pre&gt;
 1/sqrt ( L1 ( C1 // C2 ) )
  &lt;/pre&gt;
 &lt;/ul&gt;
 
 &lt;li&gt;Oscillation Condition
 &lt;ul&gt;    
  &lt;pre&gt;
 A &gt; C2 / C1
  &lt;/pre&gt;
 &lt;/ul&gt;

&lt;p&gt;SEE ALSO&lt;/p&gt;
&lt;ul&gt;
  &lt;li&gt;&lt;a href=&quot;/search/label/Oscillator-Hartley&quot;&gt;&lt;b&gt;Hartley Oscillator&lt;/b&gt;&lt;/a&gt;
&lt;/ul&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/spice_Oscillator-Colpitts.txt&quot;&gt;Oscillator-Colpitts ( TXT ) &lt;/a&gt;&lt;/p&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/index-main.html?spice_Oscillator-Colpitts&quot;&gt;Oscillator-Colpitts ( Online )&lt;/a&gt;&lt;/p&gt;
&lt;script type=&quot;text/javascript&quot;&gt;
&lt;!--
var id=&quot;spice_Oscillator-Colpitts&quot;;
// --&gt;
&lt;/script&gt;
&lt;div id=&quot;define&quot;&gt;&lt;/div&gt;
&lt;script type=&quot;text/javascript&quot; src=&quot;https://ix86.org/spice/common_spice_main.js&quot;&gt;&lt;/script&gt;

</content><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/8598846321417878493'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/8598846321417878493'/><link rel='alternate' type='text/html' href='http://spice-online.blogspot.com/2009/12/osc-colpittsoscillator.html' title='PSpice / GNUCAP :: Colpitts Oscillator'/><author><name>Unknown</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author></entry><entry><id>tag:blogger.com,1999:blog-2533469192062593028.post-6706411087342061286</id><published>2009-12-05T08:58:00.009+09:00</published><updated>2023-07-01T13:08:31.596+09:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="Oscillator"/><title type='text'>Oscillator</title><content type='html'>&lt;a href=&quot;/search/label/Oscillator-WienBridge&quot;&gt;
Wien Bridge Oscillator
&lt;/a&gt;
&lt;ul&gt;
&lt;NOBR&gt;
&lt;a href=&quot;/search/label/Oscillator-WienBridge&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_Oscillator-WienBridge_FIG.png&quot; alt=&quot;Wien Bridge Oscillator&quot; border=0&gt;
&lt;/a&gt;
&lt;/NOBR&gt;
&lt;/ul&gt;

&lt;a href=&quot;/search/label/Oscillator-Colpitts&quot;&gt;
Colpitts Oscillator
&lt;/a&gt;
&lt;ul&gt;
&lt;NOBR&gt;
&lt;a href=&quot;/search/label/Oscillator-Colpitts&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_Oscillator-Colpitts_FIG.png&quot;  alt=&quot;Colpitts Oscillator&quot; border=0&gt;
&lt;/a&gt;
&lt;/NOBR&gt;
&lt;/ul&gt;

&lt;a href=&quot;/search/label/Oscillator-Hartley&quot;&gt;
Hartley Oscillator
&lt;/a&gt;
&lt;ul&gt;
&lt;NOBR&gt;
&lt;a href=&quot;/search/label/Oscillator-Hartley&quot;&gt;
&lt;IMG src=&quot;https://ix86.org/spice/spice_Oscillator-Hartley_FIG.png&quot; alt=&quot;Hartley Oscillator&quot; border=0&gt;
&lt;/a&gt;
&lt;/NOBR&gt;
&lt;/ul&gt;</content><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/6706411087342061286'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/6706411087342061286'/><link rel='alternate' type='text/html' href='http://spice-online.blogspot.com/2009/12/oscillator.html' title='Oscillator'/><author><name>Unknown</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author></entry><entry><id>tag:blogger.com,1999:blog-2533469192062593028.post-3175283144214598660</id><published>2009-12-01T20:07:00.006+09:00</published><updated>2023-07-01T12:58:06.080+09:00</updated><category scheme="http://www.blogger.com/atom/ns#" term="OpAmp-Model"/><title type='text'>Op-Amp Simplified Model</title><content type='html'>&lt;p&gt;Op.Amp Simplified Model&lt;/p&gt;

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/spice_OpAmp-Model_FIG.png&quot; alt=&quot;OpAmp-Model&quot;&gt;&lt;/p&gt;
&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/spice_OpAmp-Model.png&quot; alt=&quot;OpAmp-Model&quot;
width=&quot;320&quot; height=&quot;240&quot;&gt;&lt;/p&gt;

&lt;pre&gt;
*OPAMP MODEL
V1 1 0 DC 0V AC 1V
X1 1 0 3 OPAMP
R2 3 0 1k
.SUBCKT OPAMP 1 2 6
R_in    1 2     10MEG
E_gain  3 0 1 2 100k
R_p1    3 4     1
C_p1    4 0     15.9m
E_buffer 5 0 4 0 1
R_out   5 6     10
.ENDS
.PLOT AC db(v(3)) ph(v(3))
.ac DEC 20 0.1 1000k
.END    
.
&lt;/pre&gt;

&lt;p&gt;Op.Amp Simplified Model&lt;/p&gt;
 &lt;ul&gt;
 &lt;li&gt;Gain-bandwidth product (GBW)
 &lt;li&gt;Input Impedance R_In = 10MOhm
 &lt;li&gt;Output Impedance R_Out = 10Ohm
 &lt;/ul&gt;
 
&lt;p&gt;SUBCKT OPAMP&lt;/p&gt;
 &lt;ul&gt;    
 &lt;pre&gt;
 .SUBCKT OPAMP 1 2 6
 R_in           1 2 10MEG
 E_gain  3 0 1 2 100k
 R_p1    3 4 1k
 C_p1    4 0 1.59p
 E_buff  5 0 4 0 1
 R_out   5 6 10
 .ENDS
 &lt;/pre&gt;
 &lt;/ul&gt;
 
 
&lt;p&gt;SEE ALSO&lt;/p&gt;
 &lt;ul&gt;    
  &lt;li&gt;&lt;a href=&quot;/search/label/OpAmp-NonInvertingAmp&quot;&gt;&lt;b&gt;Op Amp :: Non-Inverting Amplifier&lt;/b&gt;&lt;/a&gt;
 &lt;/ul&gt;    

&lt;p&gt;&lt;IMG src=&quot;https://ix86.org/spice/common_icon_spice.ico&quot; alt=&quot;spice&quot;&gt;
&lt;a href=&quot;https://ix86.org/spice/spice_OpAmp-Model.txt&quot;&gt;OpAmp-Model ( TXT ) &lt;/a&gt;&lt;/p&gt;


</content><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/3175283144214598660'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/2533469192062593028/posts/default/3175283144214598660'/><link rel='alternate' type='text/html' href='http://spice-online.blogspot.com/2009/12/opamp-model.html' title='Op-Amp Simplified Model'/><author><name>Unknown</name><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='https://img1.blogblog.com/img/b16-rounded.gif'/></author></entry></feed>