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Software Defined Radio

DiRaWave 032

Analogue Reception




The following screenshot shows the CW spectrum of the 40m amateur radio band. The waterfall display shows very clearly the sequenze of Morse code signals.

CW 20m DiRaWave

Medium wave reception of an AM-modulated radio station:

Mittewelle DiRaWave

Automatic synchronous reception: Regardless from precise frequency tuning to the center frequency the audible demodulated AM signal refers automatically to the carrier center frequency as long as it is situated in the passband of the IF filter (chosen example = 6KHz) as can be seen here.