This automotive circuit was found in the June 1997 issue of Electronis now magazine. The circuit uses a common operational amplifier powered by 12 V.
This circuit was found in a 90's espionage publication and serves for analog lines. The circuit is...
This circuit is used in short wave receivers that do not have the BFO (Beat Frequency Oscillator) for...
Found in Popular Electronics from the 1980s, this circuit shows how to drive two charges...