Using a 4-layer diode, an unusual component today, this circuit was found in an American documentation from 1964. The circuit can be tested using a diac.
This circuit was suggested by Motorola in 1980s documentation. The circuit employs an operational of...
This simple calibration circuit consists of a crystal oscillator that generates an accurate 100 kHz...
Quadrature Generator for Transistor and SCR Testing This circuit was found in US 1980s...