0 ~ 15 VOLT, 2 AMPERE, DIGITAL POWER SUPPLY

General :

• Expected price : USD 20 (Rp 200.000,-)
• Condition         : New
• Manufactured   : 2010 (China)

Personal review:

• Linier power supply (transformer based) means free from noise/frequency interference.
• Suitable for testing small electronic equipment such as VCO module, hand phone, handy transceiver, etc.  
• Adjustable Voltage output (fine adjustment with 0.1 Volt step is provided) with short circuit / over current protector.
• Load regulation (0.01 Volt) or less than 5%
• Ripple voltage 5 mVpp at 12 VDC, 1 Ampere.

10 Hz ~ 2400 MHz DESKTOP FREQUENCY COUNTER

General :

• Estimated price :  USD 45  (Rp. 450.000,-)
• Condition           : New
• Manufactured    : 2005 (China)

                                                                    Prescaler board

Personal review :

• 4 selectable ranges :  10 Hz ~ 50 MHz, 50 ~ 2400 MHz, Counter, Crystal Checker.
• 3 selectable Gate times : 0.1 mS, 1 mS, 10 Second.
• 13 MHz Output for calibration purpose
• Supplied from AC 220, 20 Watt
• High brightness 8 x Led display 7 segments
• Crystal time base with 30 ppm
• Display the Frequency, Gate time, Hold the reading.
• Medium sensitivity < 10 mV, able to detect frequency transmitter in radius less than 1 m (depending transmitter power)

GOOIT 50 MHz ~ 2400 MHz PORTABLE FREQUENCY COUNTER

General :

• Estimated price : USD 25
• Condition          : New
• Manufactured    : 2010 (China)

 

 Personal review :

• Frequency Range: 50Mhz to 2.4Ghz
• Distance covered: 8m for U-band and 5m for V-band
• External 9 VDC Battery required
• Display Frequency, RF signal and Auto switch off
• One button with all functions.
• Medium sensitivity < 5 mV, able to detect frequency transmitter in radius less than 5 m (depending transmitter power).

YAEGE FC-1, 10 Hz ~ 2600 MHz PORTABLE FREQUENCY COUNTER

General :

• Estimated price  : USD 50
• Condition            : New
• Manufactured     : 2010 (China)

Personal review :

• Two selectable range :  10 ~ 50 MHz, and 50 ~ 2600 MHz
• Built in rechargable Li-Ion Battery 1000 mAh.
• TCXO time base with 30 ppm
• Display the  RF signal, Gate time, Hold the reading, Saving function, and battery condition.
• Medium sensitivity < 5 mV, able to detect frequency transmitter in radius less than 5 m (depending transmitter power)

RGB TO NTSC / PAL CONVERTER + TV MODULATOR

General :

• Estimated price : USD 5 (Rp. 50.000,-)
• Condition : Sold as PS2 optional to accomodate PSone / PS2 with NTSC system to be PAL system.

Personal review :

• Simple circuit using single IC model Sony CXA1645.
• Converts RGB signal to PAL or NTSC video composite, Video Component and Television RF at VHF or UHF band.
• Audi/Video modulator transmit on VHF (181 ~ 230 MHz  or 540 ~ 690 MHz (3'rd harmonic).
• Hardware modification is required to modify from  PAL to  NTSC.

450 MHz 120 WATT LINIER SOLID STATE POWER AMPLIFIER

General :

• Estimated price : USD 150 (Rp. 1.500.000,-)
• Condition : Homebrew

 Personal review :

• Operating frequency : 440 ~ 450 MHz 
• Power input : 1 ~ 35 Watt
• 2 X Mitsubishi power transistor 2SC3102, produce Maximum Output 120 Watt with Power input 30 Watt (at 13.8 VDC 20 Ampere)
• Good VSWR input : 1.1 ~ 1.5
• Maximum output 150 Watt achieve with power input 50 Watt (not recommended !!!)

TOKYO HY POWER HL-500V, 500 WATT 144 MHz SOLID STATE POWER AMPLIFIER

General :

• Estimated price : USD 2300
• Condition          : New
• Manufactured   : 2008 (Japan)

 
Personal review :

• Too expensive ???
• Solid State FM, SSB, CW linier power amplifier utilize  2 x RF MOSFET Motorola MRF151G with maximum output 500 Watt (input 50 Watt)
• Built in Switching Power Supply with auto voltage 100 ~ 220 VAC
• Broad band design eliminate troublesome tuning operation as tube type amplifier.
• Equiped with various protection circuit such as over drive,  Antenna missmatch/VSWR, Over heating/Temperature, etc
• Analog meter indication indicate Forward/Reflected Power.

ALINCO DJ-X11 ALL MODE SCANNER RECEIVER 0.05 ~ 1300 MHz

Reference: http://www.alinco.com/

General :

• Estimated price : USD 400 (???)
• Manfactured : 2010

Features

• 2VFO simultaneous RX
• Main-band coverage: 0.05`1,299.99995MHz all mode AM/FM/WFM/SSB/CW (BFO for SSB/CW receive. An external antenna required for practical HF monitoring. Internal bar antenna for AM broadcast reception and earphone antenna feature inclusive.)
• Sub-band coverage: VHF:118`171MHz/UHF:336`470MHz in AM/NFM
• 1200 memory channels with adjustable memory banks using utility freeware (optional PC cable required)
• IQ signal and Discriminator output features: DJ-X11 has an IQ signal output that can be used with 3rd-party software to operate as a SDR. 10.7MHz IF discriminator signal can be used with other receiver-related software available on the net such as AIS-plotting.
• Voice-guidance system reads entering/entered frequency in English
• Easy-to-use twin dials
• Pocket size unit measures 61 (W) x 106 (H) x 38 (D) mm / 2.4 (W) x 4.17 (H) x 1.50 (D) in (without projections)
• Rigged Polycarbonate body with rubber protectors
• Selectable tuning steps: 0.05/0.1/1/5/6.25/8.33/9/10/12.5/15/20/25/30/50/100/125/150/200/500kHz/1MHz
• Various scan modes: Preset, programmed, memory, VFO and tone scan
• 3 selectable scan speeds (VFO: 25ch/s, 33ch/s, 100ch/s, Memory: 4.5ch/s, 8.3ch/s, 20ch/s)
• TSQ and DCS decode
• Wire remote-control using optional EDS-12
• Long-lasting 1800mAh Li-Ion battery pack provides nearly 15 hours of operation at full audio output in a single RX mode
• 1200 Alphanumeric (up to 16 characters) memory channels
• Additional 100 memory channels are available for each Dual-mode memory, Search-pass, Priority monitoring and Programmed Scanning pairs
• Large, brightly illuminated full dot-matrix LCD and keypads
• Dual channel-scope (Alinco's patented spectrum-analyzer alike feature)
• Frequency counter and flash tune
• "Bug detector" function searches for hidden transmitters
• Illuminated keypad for comfortable operation
• Standard Drop-in charger fully charges empty EBP-74 in 4 hours
• RF gain and attenuator for both main/sub VFOs
• Analog inversion-scramble decoder***

SPECIFICATIONS
• Receiver range: Main VFO 0.05 - 1299.99995 MHz in All available modes / Sub VFO 118 - 170.995MHz & 336 - 469.995MHz in AM/FM (Cellular frequencies 824.000 - 849.995MHz, 869.000 - 894.995MHz blocked on T models. EGR model receives Ham and Broadcast bands only. 225 - 335.995 MHz in AM/FM may be usable although out of specification and warranty)
• Mode: FM,WFM,AM,SSB(USB/LSB),CW(CU/CL)
• Antenna Impedance: 50 ohms (SMA)
• Supply voltage: DC 3.7V (EBP-74) / DC 4.5V (EDH-33) / DC 5.4V - 6.0V (external regulated source) negative ground
• Current consumption: approx.130mA Mono band / 180mA Dual band
• Temperature range: -10 to +60 dig C (+14 to +140 dig F)
• Frequency stability: -7 to +3ppm(-10 to +60 dig C)(+14 to +140 dig F)
• Dimension without projection: 61 (W) x 106 (H) x 38 (D) mm / 2.4 (W) x 4.17 (H) x 1.50 (D)
• Weight: Approx.235g / 8.29 oz (Ant.& EBP-74 inclusive)
• Receiver: Triple-conversion super heterodyne AM/SSB/CW/FM in Main VFO / Double-conversion super heterodyne AM/FM in Sub VFO and WFM in Main VFO
• Selectivity: SSB/CW -6dB: 2kHz or more -50dB : 7.5kHz or less, AM/FM -6dB : 12kHz or more -60dB : 35kHz or less, WFM -6dB : 180kHz }40kHz -20dB : 470kHz or less
• Sensitivity(typical value within the band: 10dB S/N:AM/SSB/CW , 12dBSINAD:FM/WFM):
Main-band: 0.050~0.531MHz (AM) 5dBu 0.531~1.62MHz (AM) 2dBu 1.62~76MHz (AM) -5dBu 1.62~76MHz (SSB,CW) -10dBu 1.62~76MHz (FM) -15dBu 76~108MHz (WFM) -3dBu 108~136MHz (AM) -6dBu 136~174MHz (FM) -14dBu 175~221.75MHz (WFM) -6dBu 221.8~336MHz (AM) 0dBu 336~475.75MHz (FM) -13dBu 475.75~770MHz (WFM) -13dBu 770~1260MHz (FM) -9dBu 1260~1300MHz (FM) -6dBu
Sub-band: 118~136MHz (AM) -3dBu 136~170MHz (FM) -14dBu 336~470MHz (FM) -14dBu *225~335.995 MHz in AM/FM may be usable although out of specification and warranty. Sensitivity is better closer to 336MHz. This band is closed at the default setting,
• Audio Output power: More than 100mW (8ohm)