Radio Road

Which tuner to get and getting the most from it. Thank God, for the radio!

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RE: FM3 diodes

Posted by Steve O on April 17, 2023 at 18:28:51:
Don't know what diodes were spec'd in the FM3Zone kit. I've successfully used 1N5711 in that app. 1N5711 is a 70V / 15mA Schottky device so forward drop is on order of 0.4 V or thereabouts and similar to germanium in that regard. They're in a leaded DO41 pkg so should drop in w/o mods. You could also try 1N34A. This is an old style germanium part that is no longer current but shows up occasionally at the usual antique radio parts sources like AES.