This circuit was found in an American 1980s documentation. The transistorized step is the receiver's last IF and the diode is the receiver's existing detector.
This circuit is from a 1968 Electronic Design. The components are from the era and the operating...
The idea of this circuit found in a Radio Electronics from January 1966. The idea of the...
The illustrated circuit uses the AUIRS2301 S from International Recfifier (www.irf.com) and is...