keep ARRAdio's hardware gain level at 12 dB, when turning off the Signal Generator output, no signal appears at the ADC output, when turning on the SA output again, an FSK signal appears at the output of the ADC. Observing the waveforms from the demodulation process, it is concluded that the FSK signal in the RF has been successfully down-converted to the IF and the FSK demodulator is functioning properly.
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