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.
In this circuit the capacitor under test is charged at switch position A and then discharged...
Found in a Motorola manual from the 1980s, this circuit uses components from the era. The circuit...
This high-gain amplifier was found in the March 1994 issue of Electronics Now magazine. The...