This MOSFET circuit for microphone applications was found in the December 1969 issue of Radio Electronics magazine. The transistors are uncommon today.
We found this circuit in a 1968 Motorola publication. The circuit has a charge current of 16 A...
This code practice oscillator was found in an English publication from the 80's. The circuit can...
This sinusoidal oscillator is from the 1994 National Semiconductor Linear Applications Manual but...