45W MX-P50M HF Power Amplifier For FT-818ND IC-705 Elecraft KX3 QRP Ham Radio
HF power amplifier, for QRP transceiver, Improve signal. Can be used both as a base and mobileunit, Extremely Small Compact and lightweight, Full integration with the FT-817 using the supplied interface cable, The amplifier incorporates various protection circuits such as high VOLTAGE, front mounted LED display. MX-P50M Shortwave power amplifier for FT-818ND/FT-817ND/IC-705 etc. YAESU FT-817ND Quick operating manual.
Connect power cord to DC power supplier, Red to "+", Black to" -". Connect ACC cable to FT-817 ACC and amp. Adjustment "BAND ADJ" button, Select the band. Connect antenna to amp "ANT" and "input" from FT-817 antenna out.
Note that the antenna you used that should well tuned, the SWR should less than 1:1.5. Open the power on both power supplier and AMP. Power on FT-817, the band indicate on Amp shoule be on. Press PTT, the TX indicate on Amp should be on. If working on FM or SSTV for long operating time, should lower the output power on FT-817. Say 2.5W or 1W. Other QRP transceiver operating manual. Connect acc cable to transceiver PTT-TX and amplifier, ACC green to"GND", RED TO"TX-PTT", the radio "TX-PTT"view manual.
Frequency Band: 80m 40m 30m-17m 15m-10m. Power requirement: 13.8V 9A, RED "+" BLACK"-". Cooling method:passive air cooling. OR, you may choose to have a replacement.
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