TOKYO HYPOWER 1.5 kW HF SOLID STATE AMPLIFIER

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Personal review :

• Internal power supply ( 220 VAC, 3000 VA)
  
• Automatic band changes (depending transmitter)
• Microprocessor base for controlling including protection system
• Lower cost replacing transistor compared to tube.
• Operating range : 160 m ~ 10 m.
• SSB, CW, RTTY
• Power drive input 85 Watt typical, 100 Watt maximum.
• Power transistors 2 x microsemi ARF1500
  

700 Watt, 144 MHz SOLID STATE POWER AMPLIFIER

General :

• Estimated price : Rp. 5.000.000 (USD 500)
• Condition : homebrew, built from 6 x MRF 174

YAESU FT-2800 VHF TRANSMITTER

General :

• Estimated cost : Rp. 900.000 (USD 90) 
• Condition : original, as per manufacture specification.

Personal review :

• Operating TX/RX frequency is 136 ~ 174 MHz.
• TX power output 65 Watt with 4 power level.
• DCS and TSQL.
  
• Solid construction with aluminum die chassis, very loud audio receiver, big display, hence suitable to be installed in vehicle /car.

YAESU FT-1000 MULTIMODE HF TRANSCEIVER

General :

• Estimated price : USD 2,200 (Rp 22,000,000,-) 
• Condition           : New

Personal review :

• TX and RX operating frequency 100 KHz ~ 30 MHz
• TX Power output adjustable up to 200 Watt
• Built in power supply with 12VDC input for operated in car.
  
• Superior receiver quality and sensitivity as well with quad conversion superheterodyne receiver.
• Dual simultaneous receiver, hence we can monitor both receiver and transmit frequencies.
• Built in CW keyer.
  
• Built in antenna tuner to cater 16 ~ 150 Ohm antenna impedance

DIAMOND SX600 DUAL BAND POWER/SWR METER

General :

• Estimated price : Rp. 1.200.000 (USD 120) 
• Condition           : New

Personal review :

• Dual sensor/directional coppler to cater operating frequency 1.8 ~ 160 MHz and 140 ~ 525 MHz.
• Low insertion loss 0.2/0.3 dB
• Illuminated meter (external 12 VDC required)
• Good sensitivity, can read power less than 100 mW.
  
• Minimum power 4 Watt to get full scale of SWR

YAESU FT-857D HF/VHF/UHF MULTI MODE TRANSCEIVER

General :

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

While the pictures inside of FT-857 are :

Personal review :

• FT-857D is successor FT-857, D version with additional 60 m band.
• TX power output are 100 Watts on 160 ~ 6 m, 50 Watts on 2 m, and 20 Watts on 70 cm.
  
• Programmable TX output power can push up to 140 Watt on HF, 70 Watt on VHF and 35 Watt on UHF. (not recommended)
  
• Capable to be operated in CW, AM, FM, SSB and digital modes.
• Good performance both TX and RX with good audio quality.
• No built in Antenna Tuner.
• No direct frequency entry.

DAIWA CN-419 200 Watt HF ANTENNA TUNER

Personal comments:

• Working good on HF band 120 m ~ 40 m
  Being hot if operated with 100 Watt power output continues.
  

ALINCO DM-330MW, 5 ~ 15 VDC, 30 Amperes Switching Power Supply

Estimated price : Rp. 1.200.000 (USD 120)
Condition : New




Personal comments :

• Adjustable DC out 5 ~ 15 VDC.
• Shor circuit and over temperature protection.
• Iluminated analog meter for Voltage or Current display.
• Good for VHF/UHF band but had a RFI problem on HF bands.

ICOM IC-7000 HF/VHF/UHF ALL MODE TRANSCEIVER

• Estimated Price : Rp 14.000.000 (USD 1400 )
• Condition : new

Personal comments :

• IF, Notch. PBT and other filters are digital DSP programmable( or adjustable manual) filters, thus deliver superior receiver performance.
• AGC is programmable.
• SSB transmit adjustable bandwidth.
• 2 mode bandscope.
• Graphical multi information dispay to show Signal, Power Meter, SWR, ALC, speech compression level, Temperature, etc.
• Built in RTTY demodulator and decoder, thus no need external decoding/PC.
  

YAESU VX-8R 50/144/222/430 MHz TRANSCEIVER

• Expected price : Rp3.700.000 (USD 370)
• Condition : New

Personal review :

• Wide band frequency range RX : 0.5 ~ 999 MHz, TX 48 ~ 225 MHz, 300 ~ 580 MHz.
• True dual band with full duplex and cross band capability thus can be utilized as mini repeater.
• Built in FM receiver. (full triple band in receiver mode).built in barometric and temperature sensor.
• Blue tooth ready, with additional blue tooth head set or microphone for wireless QSO.
• GPS ready, with additional GPS receiver, the transmitter can send it exact location periodically (depending GPS accuracy)
• Band scope to monitor adjacent channel.

YAESU VX-7R 50/144/440 MHz TRANSCEIVER

General :

• Expected price : Rp. 2.000.000 (USD 200)
• Condition : all components original as per manufacture specification.

Personal Review :

• Wide band frequency range : RX 0.5 ~ 999 MHz, TX 40 ~ 225 MHz, 300 ~ 580 MHz.
• Bandscope for monitoring adjacent channels (+/- 200 kHz)
• Adjustable power ouput (programmable from 10 mW ~ 5 Watt)
  

SEIKO SEIKI SUZUKI Grand ESCUDO 2.0 AC COMPRESSOR

Background:
Having difficulty to find out reference pictures related to SEIKO SEIKI ROTARY COMPRESSOR model SS10LV6 used by SUZUKI Escudo 2.0, It has encouraged me to breakdown that compressor and collect some pictures as follows:


Initial condition : Compressor complete with clutch, solenoid, and pulley




Clutch was removed.

Clutch and Solenoid were removed.

Inside the compressor.

Toshiba RF Power Module

Toshiba RF Power Mosfet & Transistor

0 nH to 2 mH and 0 pF to 1 uH - LC meter KIT

General :

• Estimated price : USD 50
• Condition : un-assembly kit
  

Personal comment :

• Should be cheaper (USD 50) since the micro controller used only cost less than USD 10
  
• Easy to assembly since the micro processor has been pre-programmed.
• Good accuracy : 2 nH and 0.1 pF for Inductor and Capasitor respectively.
• Useful instrument for RF experiment working up to 1 GHz.
  

Amateur Shops at Akihabara - Tokyo

If you plan travelling to Tokyo, do not miss to visit this place.

144 MHz POWER AMPLIFIER BY 2 X GS35B

Sent by somebody to show his homebrew 2 m linier power amplifier using russian tubes 2 x GS35B

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2000 WATT 144 MHz POWER AMPLIFIER

Sent by somebody to show his homebrew 2 m linier power amplifier using russian tube 2 x GS31B