The vapourware (as childishly put by some) ideas factory.
Gareth's Downstairs Computer wrote:
Were one to put together a high performance RX with a
9MHz IF (Filters easily available from GQRP club),
how to deal with AM and FM resolution and the BW
over and above that needed for CW and SSB?
Filters are becoming more and more a thing of the past.
Reputable companies that once made filters do not make them anymore.
To make a high performance RX today, you would use SDR.
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