uSDX 80m/40m/20/17m/15m/10m 6 Bands USDR HF QRP SDR Transceiver
Description GitHub https github com threeme3 QCX SSB tree feature rx improvedSize 38 88 155mm Aluminum case Standby current 13 8vdc 80 90maFull HF reception commonly used 6 band transmission design 80m 40m 20 17m 15m 10mNOTE 13 8v power supply Frequency below 10M 3 10W is normalThe frequency decreases from about 3 5W between 10M and 30M The higher the frequency the more the decrease is and the highest frequency may be lower than 2W Battery powered Overall power reduced by one thirdAM and FM functions are gifts not guaranteed to be perfectOver view This is a shortwave QRP SSB CW transceiver The ultra small size makes it easy to carry for outdoor use It adopts 0 91inch OLED screen List of features Simple fun and versatile QRP SSB HF transceiver with embedded DSP and SDR functions EER Class E driven SSB transmit stage Approximately 5W PEP SSB output from 13 8V supply All Mode support USB LSB CW AM FM DSP filters 3000 2500 1700 500 200 100 50 Hz passband DSP features Automatic Gain Control AGC Noise reduction NR Voice triggered Xmit VO1X RX Attentuators ATT TX noise gate TX drive control Volume control dBm S meter SSB opposite side band carrier supression Transmit better than 45dBc IMD3 two tone 33dBc Receive better than 50dBc Multiband support continuously tunable through bands 160m 10m and from 20kHz 99MHz with loss in performance Open source firmware built with Arduiino IDE allows experimentation new features
