Category Archives: QRSS

SDR – basic structure

The basic structure of the system will be:  audio in  →  anti-aliasing filter  →  ADC  →  digital signal processing  →  output For the filtering experiments the output will be an analog audio signal (from a DAC); while for the QRSS … Continue reading

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Starting with Software Defined Radio

My initial idea is to explore what can be done by processing the audio output from a commercial receiver. There are two things that I want to try: Filter the audio signal to improve the reception of SSB, or CW. … Continue reading

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