RF for Amateur Hobbies

SONY ALL BAND RECEIVER ICF 6800

2014-04-10T21:52:00.001+07:00

General :

TOP VIEW

FRONT VIEW

TONO MR-150W 140 WATT 144 ~ 148 MHz POWER AMPLIFIER

2014-04-10T21:51:00.003+07:00

General :

Expected price : USD 100
Condition : Used
Manufactured : 1985 (Japan)

Personal Reviews:

ICOM 1 KW

2014-04-10T21:51:00.002+07:00

DAIWA LA-2190

2014-04-10T21:50:00.000+07:00

SENAO UHF DUAL BAND TELEPHONE WIRELESS AMPLIFIER

2014-04-10T21:49:00.001+07:00

TP LINK TL-WA5110G as Hotspot, Repeater, Wireless Access Point

2014-04-10T21:45:00.000+07:00

List of TV Channels in Bandung (for Reference only)

2013-02-26T14:49:00.003+07:00

		Frequency
Station	CH	Video	Audio 1	Audio 2	Exciter	Remark
IMTV	22	479.25	484.75	485.1
Garuda TV	24	495.25	500.75	501.1
Jabar TV	25	506				DVB-T2
I Chanel	26	511.25	516.75	517.1
PJTV	28	527.25	532.75	533.1
PJTV Digital	29	538				DVB-T2
Spacetoon	30	543.25	548.75	549.1
STV / Kompas	34	575.25	580.75	581.1
All Local in Digital	35	586				DVB-T2
CT	36	591.25	596.75	597.1
Bdg TV	38	607.25	612.75	613.1
TVRI	40	623.25	628.75	629.1	10 kW
Trans	42	639.25	644.75	645.1	10 kW
Trans7	44	655.25	660.75	661.1	10 kW
GlobalTV	46	671.25	676.75	677.1
Tvone	48	687.25	692.75	693.1
RCTI	50	703.25	708.75	709.1
SCTV	52	719.25	724.75	725.1	10 kW
Indosiar	54	735.25	740.75	741.1	20 kW
MetroTV	56	751.25	756.75	757.1
ANTV	58	767.25	772.75	773.1	20 kW
MQTV	60	783.25	788.75	789.1
MNC TPI	62	799.25	804.75	805.1	20 kW

COMET CAA-500 HF/VHF/UHF Antenna Analyzer

2011-11-20T10:11:00.005+07:00

General :

Expected price : US$ 450
Condition : New
Manufactured : 2011 (Japan)

Main Features:

1.8-500Mhz.
Measures SWR & Impedance Simultaneously.
Separate UHF Input with N(F) Connector
Portable - Operates on 4x AA Batteries (batteries not included)
Operating Range 1.8 - 500 MHz

Band A Range 1.8 - 5 MHz
Band B Range 5 - 15 MHz
Band C Range 15 - 45 MHz
Band D Range 45 - 95 MHz
Band E Range 95 - 162 MHz
Band F Range 162 - 255 MHz
High Range 255 - 500 MHz

Impedance Range 12.5 - 300 ohms
VSWR Range 1:1 to infinity
Oscillator Output 113 dBµ/50 ohm
External Power 8-16 VDC 250 ma
Size 3.3 x 6.9 x 2.5 inches (80x170x60 mm).
Weight 28 oz. (800 g)

Personal Comments:

Frequency Range 1.8 - 500 MHz
Internal Frequency Counter
Dual Needle Cross Needle VSWR Display
A transmitter is not required, stand alone operation
Functions: SWR and Impedance

Reference : CQ MAGAZINE PRODUCT REVIEW

YAESU QUADRA VL-1000 1 KW HF/6 M LINEAR POWER AMPLIFIER

2011-10-30T13:47:00.016+07:00

General:

Expected price : USD 4,000
Condition : New
Manufactured : Japan

Pesonal Comments:

Frequency range : 160 m ~ 15 m, and 6m
Final Power Transistor : 4 x 2 pair MRF 150 provide 1000 Watt Output SSB/CW (or 500 Watt on 6m SSB/CW/FM) with 80 Watt Input.
LCD Display provides a wealth of amplifier-status information, including peak power output, average power output, voltage, current, and SWR.
Yaesu World First feature is the panoramic SWR monitor, which displays before tuning and after tuning SWR information for points across a band, providing you with instant data regarding antenna system performance.
Built in Automatic Antenna Tuner /ATU.

DAIWA LA-2060 60 Watt VHF POWER AMPLIFIER FOR HANDY TRANSCEIVER

2011-09-23T23:40:00.002+07:00

General :

Expected price : USD 60
Condition : Used
Manufactured : 1985 (Japan)

Personal Reviews:

Frequency range 144 ~ 148 MHz, FM and SSB mode

Driver 2SC1946 and Final Power Transistor 2SC3147.

Power input 0.5 ~ 1 Watt

Power output 20 ~ 60 Watt with 70 Watt maximum at input 13.8 VDC, 9 Ampere

Built in 2 stage Low Pass Filter (LPF)

Analog meter indicator for Power Output.

ALINCO ELH-260D, 60 WATT VHF RF AMPLIFIER

2011-09-22T19:28:00.001+07:00

General :

Expected price : USD 50
Condition : Used
Manufactured : Japan (1985)

Personal Comments:

Frequency range 144 ~ 148 MHz, FM and SSB mode.
Power input 1 ~ 5 Watt
Power output 60 Watt with 5 Watt input at 13.8 VDC, 7 Ampere
Analog meter indicator for Power Output.

ALINCO ELH-230D 30 WATT VHF POWER AMPLIFIER

2011-09-21T21:29:00.003+07:00

General :

Expected price : USD 40
Condition : Used
Manufactured : Japan (1985)

Personal Comments :

Frequency Range 144 ~ 148 MHz, FM or SSB mode
Power Input 1 to 5Watt
Power Output 30 Watt maximum at 13.8 VDC, 4 Ampere nominal
RX Amplifier wit Low Noise GaAs FET
Original RF Power Transistor 2SC1946

DAIWA LA-2065 65 Watt VHF POWER AMPLIFIER

2011-09-21T21:15:00.019+07:00

General :

Expected price : TBA
Condition : Used
Manufactured : 1985 (Japan)

Personal Reviews:

Frequency range 144 ~ 148 MHz, FM and SSB mode
1 x Final Power Transistor 2SC3147.
Power input 1 ~ 5 Watt
Power output 10 ~ 60 Watt with 70 Watt maximum at input 13.8 VDC, 9 Ampere
Built in 2 stage Low Pass Filter (LPF)
Built in 15 dB low noise RX Amplifier

PC POWER SUPPLY MODIFICATION TO BE 13.8 VDC OUTPUT

2011-09-21T20:59:00.008+07:00

General :

Reference : http://www.users.on.net/~endsodds/smps.htm
WARNING : ELECTRICAL SHOCK HAZARD !!!
Ensure the output always connected to load (existing Fan or additional 100 Ohm/2 Watt Resistor, otherwise the power supply will be malfunction forever !!!).

Original / Prior modification

After Modifaction

Personal Comment :

Simple and easy to be implemented

Another short cut :

Remove R40 and R39 (feed back from 3.3 V and 5.0 V)
Replace R41 with R fixed 10 kOhm serie with VR 47 kOhm (for adjusting Output up 15 VDC)
Replace C16 and C17 with 4700 uF/ 35 VDC for ripple supression

UHF Radio Link Module

2011-09-15T23:37:00.001+07:00

General :

Expected price : USD 10
Condition : New

TRANSMITTER :

Frequency : UHF
Modulation : ASK
Working Voltage : 3-12VDC
Frequency stability：±75KHZ
Reception sensitivity：－106DBM
Quiescent current：≤0.1MA
Receiver Data Output : High - 1/2 Vcc, Low - 0.7v
Transmitter Input Voltage : 3-12V (high voltage = more transmitting power)
Emission Distance : 100-800m in open ground

RECEIVER :

Frequency: UHF Band
Frequency stability：±200KHZ
Reception sensitivity：－106DBM
Quiescent current：≤5MA
Working current：≤5MA
Working volt：DC 5V
Output mode：TTL PWL
Size : 37 x 23 x 8mm

12 VDC to 12 ~ 35 VDC SWITCHING INVERTER / CONVERTER 10 AMPERES

2011-09-15T22:13:00.006+07:00

General :

Expected price : USD 12 (Rp. 120,000,-)
Condition : New
Manufactured :
Application : Step up converter for Mobile Power Amplifier (eg.12 VDC to 32 VDC), booster charger, or various application to supply electronic equipment from battery car/motorcycle.

Specification:

Input Voltage: DC 10~32 V
Output Voltage: DC 12~35 V ( adjustable, O/p Voltage > I/p Voltage by 2V )
Maximum Input Current: 16 A ( >10A Need cooling )
Maximum output Current: 10 A
Maximum Power: 150W, 100W Natural cooling
Efficiency: 94 % ( under input 16V, output 19V 2.5A )
Module Properties: Non-isolated step-up module (BOOST)
Full Load temperature rise: 45 ℃
Switching Frequency: 100KHz
Output ripple: 2%(max) 20M bandwidth
No-load Current: Typical 25mA
Load Regulation: ± 0.5%
Voltage Regulation rate: ± 0.5%
Dynamic response speed: 5% 200uS
Short-circuit Protection : None
Input Reverse Protection: None
Operating Temperature: Industrial (-40 ℃ to +85 ℃)
Size: 65 x 47 x 26 mm ( L*W*H )

DIAMOND GSV-3000, 30 AMPERE POWER SUPPLY

2011-09-06T19:40:00.006+07:00

General :

Expected price : USD 100 (Rp. 1.000.000)
Condition : 95% as new, all components are original as per manufacture specification.

Personal review :

Adjustable Output 1 ~ 15 VDC, with 30 A continuous 8 Hours, or 34 A intermittent 1 min ON/OFF.
Input 110 or 220 VAC
Load regulation less than 2%
Overload current fold-back at 40 A, 13.8 VDC
Ripple voltage 3 mVpp at 34 A, 13.8 VDC
Capable to supply 200 Watt Output power booster.
Weight 9 kg
This linear power supply (transformer based) having compact size, and suitable to provide power for modern transmitter, the ripple voltage is very small (3 mVpp) thus suitable to supply dc power to handy transceiver.
Cooling fans with temperature-sensitive expression (Little Noise)
50W × 150H × 240D mm

DAIWA LA-2035 35 Watt VHF POWER AMPLIFIER

2011-08-30T17:03:00.000+07:00

General :

Expected price : USD 40 (Rp.400,000,-)
Condition : Used
Manufactured : 1985 (Japan)

Personal review :

LA-2035R or LA-2035 without Receiver Amplifier.

DAIWA LA-2155 160 Watt VHF POWER AMPLIFIER

2011-08-30T16:23:00.002+07:00

General :

Expected price : USD 200 (Rp.2,000,000,-)
Condition : Used
Manufactured : 1985 (Japan)

Personal Review :

Frequency Range 144 ~ 148 MHz, FM or SSB mode
Power Input 1 or 25 Watt selectable
Power Output 160 Watt maximum at 13.8 VDC, 27 Ampere nominal
RX Amplifier wit Low Noise GaAs FET
Original RF Power Transistor 2 x 2SC2694 and 2SC1946

DAIWA LA-2080H 80 Watt VHF POWER AMPLIFIER

2011-08-30T16:16:00.002+07:00

General :

Expected price : USD 50 (Rp.600,000,-)
Condition : Used
Manufactured : 1985 (Japan)

Personal Review :

Frequency Range 144 ~ 148 MHz, FM or SSB mode
Power Input 1 ~ 5 Watt
Power Output 80 Watt maximum at 13.8 VDC, 12 Ampere nominal
RX Amplifier wit Low Noise GaAs FET
Original RF Power Transistor 2SC2094 (driver) and 2SC2694 (Final)

MIRAGE B-5030G - 300 WATT VHF POWER AMPLIFIER

2011-08-30T12:18:00.003+07:00

General :

Estimated price : USD 750 (Rp. 7,500,000,-)
Condition : New
Manufactured : 2003 (USA)

Personal Review :

Frequency range 144 ~ 148 MHz
Power Input 1 ~ 50 Watt
Power Output 300 Watt maximum at 13.8 VDC, 47 Ampere nominal
Power RF Transistor 4 x SRF3417.
Good RX low noise Amplifier to improve weak signals -- low noise GaAsFET preamp gives you excellent 0.6 dB noise figure. Select 15 or 20 dB gain.
Heavy-duty heatsink spans entire length of cabinet -- prevents overheating. Power transistors protected by Mirages Therm-O-Guard.
Full protected from high SWR and excessive input power. has warning LED. has smooth adjustable Transmit/Receive switching with remote external keying.

DIAMOND GZV-4000 SWITCHING POWER SUPPLY 5 ~15 VDC, 40 Amp CONTINOUS

2011-08-30T11:54:00.005+07:00

General :

Estimated price : USD 180 (Rp.1.800.000,-)
Condition : New
Manufactures : 2005 (Japan)

Personal review:

High Performance Switching Power Supply 40 Amp Continuous.
Noisy Fan
40 Amp Continuous Rating, 100% Duty Cycle.
Variable Voltage Control 5-15 VDC.
Voltage Control Knob has center detent at 13.5 VDC.
Overload & short-circuit protection with Current Foldback at approximately 42 Amp.
Over Temperature Protection.
Meter Selector allows monitoring of voltage & current.
Access to front panel DC Terminals and Cigarette Lighter Jack. Standard 40A terminals on rear panel.
Built in Speaker.
Circuitry yields high RFI protection from external sources.
AC line filter for EMI protection.
Standard 3-wire Heavy Duty line cord.
Power Indicator & Overload Indicator.
Accepts 220 VAC ± 20% 50-60 cps.
Ripple & Noise less than 8 mV r.m.s.
Weight: 4 kg.

ICOM R-3 HANDY SCANNER / RECEIVER WITH TV 0.495 ~ 2,450 MHz

2011-08-30T11:32:00.004+07:00

General :

Expected price : USD 250 (Rp.2.500.000,-)
Condition : New Old Stock
Manufactured : 2001 (Japan)

Personal Review :

Wide Receiver coverage from 495 kHz ~ 2,450 MHz
AM, Narrow FM, Wide FM mode
Included both TV RF and TV Video receiver capability (AM + FM TV)
Built in Color TFT screen.
Excellence sensitivity in all frequency coverage.
Fast scanning time (Faster than ordinary Transmitter)
RF Spectrum Analyzer.
RF signal finder feature for finding strongest RF signal (with 4 level attenuation)

YAESU VL-2000, 1.5 KW/1 KW MULTI MODE HF VHF LINEAR AMPLIFIER

2011-08-30T08:13:00.008+07:00

General :

Manufacture price : USD 7,000 (?)
Condition : New
Manufactured : 2011 (Japan)

Personal review :

Fully microprocessor controlled HF (160 ~ 10 m) and VHF (50 ~ 54 MHz) Linear Amplifier.
Built from 8 x VRF 2933 Power MOSFET
Power Input 1 ~ 50 Watt
Power Output 1,500 Watt with Supply from 46 VDC (63 Amp), +12 VDC (55 Amp), -12 VDC (1 Amp) from dedicated power supply.
Built in Auto Antenna Tuner.

ICOM IC-7410 HF VHF MULTIMODE TRANSCEIVER

2011-08-30T07:26:00.007+07:00

General :

Manufactured price : USD 1,900 (?)
Condition : New
Manufactured : 2011

Major features :

+30 dBm 3rd order intercept point (in 14MHz band)
Double conversion superheterodyne system improves inband IMD characteristics
32-bit floating point DSP unit
Built-in 15kHz first IF filter and optional 3kHz and 6kHz first IF filters
Large monochrome LCD display
±0.5ppm frequency stability
Built-in simple band scope
Built-in automatic antenna tuner
All mode (SSB/CW/RTTY/AM/FM)
Optional RS-BA1 for IP remote control

Other outstanding features

Built-in voice synthesizer announces operating frequency, mode and S-meter level

User programmable band edge beep (can be disabled)

VSC (Voice Squelch Control) function

RF speech compressor

Microphone equalizer and adjustable transmit bandwidth

Two preamplifier types: Preamp 1: Increases low level signal improving intermodulation characteristics, Preamp 2: High gain preamplifier

20dB built-in attenuator

Audio equalizer function

CTCSS and DTCS tone encoder and decoder

Triple band stacking register

Quick split function and frequency lock function

RIT and ΔTx variable up to ±9.999kHz

SSB/CW synchronous tuning automatically shifts the carrier point when switching between CW and LSB/USB modes

1Hz pitch tuning steps

Program scan, memory scan, select memory scan, mode select scan and Δf scan

Automatic tuning steps

AH-4 control circuit

Large independent MIC/RF power and Notch knobs

Personal review :

Wide RX/TX : 0.030 ~ 60 MHz / 1.8 ~ 54 MHz
Multimode : USB, LSB, CW, RTTY(FSK), AM, FM
Supply : 13.8 VDC (23 Amp Maximum)
Built in Auto Antenna Tuner