And, if they're metal, you probably should solder the two ground pins on the BNC jack in the upper left corner of the photo.

#40m #qcx #qcx40

I think it has something to do with that old Beatles song: Eight Days a Week". Bob M.

I know the crystal signal isn't a nice sine wave, but it certainly isn't a square wave with very steep rise and fall times. Both have plenty of harmonic energy, which is why the multiplier stage can t

Robin: Thanks for the filter recommendation. I would need two of them though, one for TX, one for RX, and the freqs are significantly far from the common ham bands that I'd need to fiddle with compone

I'm working on a similar project, but in my case it's an old Motorola Compa-Station (Motrac-based) on 10m and it uses phase modulation after the crystal, so a ProgRock should be a good substitute for