Here is the latest picture of my version of the W3PM WSPR receiver. You can see the Ugly Weekender AF amp in the upper left. No front end of any kind yet -- the sig goes right from the antenna jack into the RF pin on the SBL-3 diode ring mixer.
Turns out that this morning was a bad time to test a new receiver. Spaceweather.com reports that a big coronal mass ejection hit earth today, causing havoc in the ionosphere. I'll try it again later today.
April 20, 2024. The Ubiqutous Mic Amp and Balanced Modulator
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Following our template of small circuits and easily digested (almost)
presented forthwith is a a circuit module for a Microphone Amplifier and
Balanced Mo...
19 minutes ago
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