That sounds a great project.? I have a 5.2 MHz SSB crystal filter lying idle that I have long thought of making into a rig.? But I already have an old analog SSB rig that I built back in the seventies. It is still going great, 9MHz IF, diode ring mixer so easily adapted for different bands. I've used it from 80 metres to 2 metres, and it is currently in use as my 4m (UK 70 MHz band) rig in regular use.
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I look forward to hearing how your analog rig goes.
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73, Tony, G4CIZ