A FlexRadio PowerSDR based version with functionality suited to various SDR designs, projects and kits.
For the homebrewers simple LPT port pins are used to tune the Si570 chip as smooth VFO, drive LPF/BPF bandswitching, give PTT input and Rx Tx output control and CW keying.
USBtoSDR interface is directly supported with the included ADC/DAC and I2C connectivity.
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