This nonlinear gain circuit was found in a 1965 Electronic Design. The configuration can be used as a basis for modern designs with equivalent transistors.
This circuit is from an Italian magazine of 1983, but it can be assembled with the most modern...
The integrated circuit used in this application is a Motorola 555 dual. The circuit is from...
Indicated for adjustment in transmitters for the 11-meter band, this circuit with analog meter was...