Found in a 1964 publication, this circuit makes use of transistors from the time. It operates on frequencies up to 3 kHz.
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...