This circuit was found in a 90’s Electronic Engineering. The integrated circuits are of the time and the diodes are of general use. The generated signal is sinusoidal.
The circuit below was suggested by the Motorola Linear Databook of 1990. The component used is...
This circuit is intended for testing small capacitors. What we have is an astable multivibrator, which works...
This circuit was found in an American 1980s documentation. The transistorized step is the...