tag:blogger.com,1999:blog-67786075714739792692025-10-09T02:06:26.846+07:00Power Amplifier Circuit , Power Suplly Circuit , Inverter Circuit , Component , Charger CircuitUnknownnoreply@blogger.comBlogger1422125tag:blogger.com,1999:blog-6778607571473979269.post-14080481015744957792024-11-01T22:48:00.001+07:002025-02-21T01:56:58.758+07:00

Elcircuit will assemble a class-d D2k5 dual feedback power amplifier, this This power amplifier is a high-power power amplifier, can be supplied with a symmetrical 90VDC voltage, with a power output of up to 2800W RMS. This D2K5 Fullbridge amplifier can be used for 18-21inch subwoofer speakers. the scheme was designed by Mr. Katino Surodipo.I've previously made this SMD version of the D2K5

Unknownnoreply@blogger.com12tag:blogger.com,1999:blog-6778607571473979269.post-12478721446449528362024-10-31T11:23:00.000+07:002024-11-13T04:01:55.124+07:00

Hello friends, on this occasion I will post again, the discrete class-D amplifier UcD Superlite, Class-D Discrete Amplifier UcD Superlite with RM Core Is that a discrete class-d UcD? UCD is one of the Class D Topologies patented by Philips (NXP) and this Class D type is widely used in Hypex products which they claim can compete with Class AB power. and class-d discrete is a class d

Unknownnoreply@blogger.com13tag:blogger.com,1999:blog-6778607571473979269.post-88507849362969164672024-06-06T09:45:00.000+07:002024-06-12T06:36:43.499+07:00

3000W  (PMPO) D3K Class D Power Amplifier Project using IC IR2110, CD4049 (HEF4049/HCF4049), NE555, LM311, and Op-Amp Comparator TL071 as the main stage amplifier, the driver stage using BD140/BD139 or you can use any driver stage power amplifier transistors. The Final Stage Amplifier using 4 x Mosfet Transistor IRFP260 or you can use IRFP250 / IRFP460 / IRFP4227. And do not

Unknownnoreply@blogger.com88tag:blogger.com,1999:blog-6778607571473979269.post-29688959269708670172024-06-04T22:50:00.000+07:002024-06-12T06:34:59.123+07:00

Hello DIY'ers,  I will share the schematic and PCB layout for Fullbridge with PFC (Power Factor Correction) Switching Mode Power Supply. I will not explain in more detail this SMPS, you can immediately try this SMPS with PCB Layout below. This SMPS can be supplied with varying input voltages, ie between AC voltages between 90 - 265V, SMPS is still able to provide a stable output

Unknownnoreply@blogger.com33tag:blogger.com,1999:blog-6778607571473979269.post-82921591036809583442024-06-01T01:48:00.000+07:002024-06-12T06:34:25.577+07:00

In this project, I will share about class-d power amplifier using TL494 IC for PWM, and use N-Channel MOSFET transistor as the final amplifier. This circuit is not so complicated and cheap to make practice making power amplifier class-d. This power amplifier circuit can be supplied with a 30V to 100V DC asymmetric power supply using 8VDC bias voltage up to 12VDC. The output power of this

Unknownnoreply@blogger.com73tag:blogger.com,1999:blog-6778607571473979269.post-61986823272682936142024-03-02T03:21:00.001+07:002024-03-02T03:21:05.616+07:00

In modern circuit board design, Gerber files are a common format used to convey circuit board manufacturing information.With the continuous development of electronic products and the advancement of technology, PCB design has become increasingly complex. Designers need to meticulously review Gerber files to ensure design accuracy and manufacturability. However, traditional Gerber viewers are often

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-6778607571473979269.post-38224054888971085392024-03-02T03:18:00.006+07:002024-03-02T03:18:32.239+07:00

ComponentsElectronic components are fundamental elements of electronic technology and serve as the essential building blocks of electronic circuits. With the rapid development of electronic technology and its application fields, the number of components used in the design process is increasing day by day. It is crucial for electronic engineers or enthusiasts to master the characteristics and

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-6778607571473979269.post-60202629409441789622024-03-02T03:16:00.001+07:002024-03-02T03:16:19.613+07:00

The PCB surface treatment process is a crucial step in PCB manufacturing. Its purpose is to protect the copper surface from oxidation and ensure that it can bond well with the solder during the soldering process. The following are some common PCB surface treatment processes and their advantages and disadvantages:HASL (Hot Air Solder Leveling):Hot air leveling (HASL) is a traditional method for

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-6778607571473979269.post-26287797600103692102024-03-02T03:13:00.002+07:002024-03-02T03:13:13.184+07:00

Printed circuit board (PCB) is an essential component of modern electronic equipment. During the PCB design process, designers often encounter various issues and problems, related but not limited to, layout inefficiencies, signal integrity concerns, and thermal management challenges. This article will explore common issues in PCB design and offer solutions to help engineers effectively address

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-6778607571473979269.post-65016570842070916092024-01-11T03:49:00.000+07:002024-01-11T03:49:22.549+07:00

SMT Stencil is a thin metal sheet used in the soldering process for SMT (Surface Mount Technology) and it plays an essential role in the SMT soldering process. SMT Stencil allows the direct placement of solder paste onto the SMD pads of PCB, which can help prevent errors and defects during the reflow soldering process. This results in a precise amount of tin coverage once the work is

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-6778607571473979269.post-85850330546797961652024-01-11T03:37:00.002+07:002024-01-11T03:37:39.519+07:00

First, in the world of electronic products, the PCB is often referred to as the "heart", it connects everything together making the board thickness an important parameter for this crucial component. Whether the thickness of the PCB is appropriately selected directly affects the performance, stability, and reliability of final electronic products.The process of selecting PCB thickness is

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-6778607571473979269.post-33974370820076962252024-01-11T03:26:00.005+07:002024-01-11T03:26:58.233+07:00

 PCBs Gold Fingers - Why It Matters ?What is PCB Gold Finger?PCB gold fingers refer to the metal contact points on a printed circuit board, typically located at the board's edge. They are commonly made of metallic materials such as gold or upgraded gold alloys . Since the surface of the pads is gold-plated and the conductive contacts are arranged like fingers, they are called "gold fingers".

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-6778607571473979269.post-37051527607907944662023-12-22T17:38:00.003+07:002023-12-23T04:38:58.493+07:00

Elcircuit will share the PCB Layout for a 2-way crossover circuit or active crossover for 2 low and high speakers. The schematic of the active crossover was designed by Mr. Anistardi Sudikan, a well-known audio master from Indonesia.The following PCB layout was designed by Wahyu Eko Romadhon and has been tested to function properly. Elcircuit will share Gerber files, BoM, and CPL files.Below is a

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-6778607571473979269.post-72859444345554299722023-11-05T07:26:00.003+07:002023-11-05T07:26:15.658+07:00

 Elcircuit will share a fixed and tested PCB layout for the TDA7294 power amplifier or you can also use the TDA7293, this power amplifier PCB uses SMD and throughole supporting components. by using SMD components the PCB dimensions can be smaller, this PCB has quite small and simple dimensions with a length of 4.6cm and a width of 2.7cm. quite small for the size of the TDA7294 power

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-6778607571473979269.post-7949251786265760452023-10-12T05:41:00.002+07:002023-10-12T05:41:24.865+07:00

 750W RMS Mini Class-D Amplifier PCB LayoutElcircuit will share the PCB layout but not from us, so whether this amplifier works or not is still 50:50 but the actual schematic is working well. The circuit scheme was designed by Mr. Kartino Surodipo, this amplifier circuit is quite simple, using the LM311 IC as a comparator, and the level shifter uses a 2n5401 transistor, so this amplifier

Unknownnoreply@blogger.com1tag:blogger.com,1999:blog-6778607571473979269.post-51640569355649776522023-10-11T15:00:00.003+07:002023-10-11T15:00:59.912+07:00

Bass Monster Mini Class-D Amplifier with IR2153 Schematic DiagramSchematic diagram of class-d amplifier named Bassmonster mini, The class-D amplifier circuit uses IC IR2153 as the MOSFET driver, and for the comparator and level shifter section it uses IC LM311 and transistor 2N5401 for the MOSFET, you can use the irfp250N mosfet and can be supplied with a minimum voltage of +65 0 -65VDC

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-6778607571473979269.post-91089567785111518892023-10-11T13:54:00.002+07:002023-10-11T14:04:41.287+07:00

 PCB Layout Tone Control Sansui AU5500 Elcircuit will share the PCB layout for tone control, more specifically the Sansui AU5500 tone control. On the PCB layout there is a marking error for the power supply, the + - section is written upside down, so please pay attention if you want to enter the supply voltage.This tone control is equipped with bass, mid, and treble tone settings, as

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-6778607571473979269.post-40341475780247744262023-10-09T00:52:00.006+07:002023-10-25T15:20:37.096+07:00

In this post, I will give a tutorial on how to make a PCB that has SMD components soldered using the PCBA or PCB Assembly service at JLCPCB.This is an example of a PCBA from JLCPCBWhy PCBA on JLCPCB???The results are very satisfying, we no longer need to bother soldering SMD components, because what DIYers complain about if the kit uses SMD components is that it's flat when soldering them. Due to

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-6778607571473979269.post-22610560751411026232023-09-21T01:33:00.005+07:002023-09-21T14:07:52.791+07:00

Table of contents1. What is DAC?2. What is DSP?3. How does DAC work?4. How does DSP work?5. DSP vs. DAC Features6. Difference between DSP and DACWhat is DAC?Digital signals are converted into analog impulses by a device called a digital-to-analog converter (DAC). A digital signal, which is represented by a string of binary integers, can be used to drive an analog device, such as a speaker or a

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-6778607571473979269.post-76733137681440568042023-09-14T23:27:00.001+07:002023-09-14T23:27:11.403+07:00

Schematic Power Amplifier EEEngine G77 PCB Power Amplifier EEEngine Slim G77 Buy PCB https://shope.ee/8A3tNFeOZTVideo Test EEEngine G77 Slim 1500W RMSDownload Schematic EEEnginge Slim G77 

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-6778607571473979269.post-28584893934435373582023-08-29T03:01:00.003+07:002023-09-22T12:55:50.157+07:00

 Class-D Amplifier Schematic 2800WReady KIT Amplifier Fullbridge class-D Tiger 2800 tested output upto 2800W RMSClick to Download Schematic Class-D Fullbridge 2800W RMS PDF FilePCB Tiger 2800 Class-D Fullbridge 2800WAssembly Video & Load Tested 2800W RMSTest Point / Troubleshoot VideoShopee PCB Tiger 2800 2800W RMS Amplifier Fullbridge Link :  https://shope.ee/6zrV8t1baUDiY Kit

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-6778607571473979269.post-41855060535964028642023-06-18T23:11:00.004+07:002023-09-22T13:07:06.943+07:00

The OCL Power Amplifier is a class-AB Amplifier-based power amplifier because class AB power amplifiers have relatively low efficiency compared to class D amplifiers or Class TD Amplifiers/EEEngine Amplifiers.PCB OCL EEENGINE 2000W So the 2000W OCL EEEngine power amplifier has added the EEEngine stepper circuit, Yamaha's stepper. So making this power amplifier more efficient than a

Unknownnoreply@blogger.com1tag:blogger.com,1999:blog-6778607571473979269.post-82384035910230946712023-06-18T22:50:00.005+07:002023-06-18T22:50:53.061+07:00

 Elcircuit will share a Power Amplifier Tweeter PCB Layout design with a single layer line design, this PCB is designed by KQ5. but haven't tried it yet. for friends who want to try PCB Layout can be downloaded here.This tweeter power amplifier is used for tweeter speakers, with a maximum power supply voltage of 400W +63V 0 -63VDC. The scheme was designed by Mr. Kartino Surodipo. This

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-6778607571473979269.post-28293597510829710882023-06-07T03:29:00.004+07:002023-06-07T03:33:14.747+07:00

M2 Bootstrap power amplifier PCB layout design - this layout design is a complete 2-channel amplifier, that can be used for stereo amplifiers. You can see in the picture above that there are 8 final transistors, and each channel uses 4 final transistors. can use 2sc5200 / 2sa1943 final transistor. which can be supplied +32V 0 -32V to +75V 0 -75V DC. The output power can reach 500W per channel. It

Unknownnoreply@blogger.com0tag:blogger.com,1999:blog-6778607571473979269.post-22844001949160552622023-06-04T00:54:00.003+07:002023-06-04T00:54:22.520+07:00

The following is for the SOCL504 Moded Power Amplifier PCB Layout which can be downloaded as a pdf file to make it easier to print your own PCBThe SOCL504 Modded amplifier circuit is basically a SOCL504 amplifier circuit that has been scattered on the internet, such as the circuit that has been posted here on elcircuit.: https://www.elcircuit.com/2017/12/Power-Amplifier-SOCL-504.htmlThe

Unknownnoreply@blogger.com3