TTL Counter (CB21360E)

This counter from 0 to 9999 was found in English documentation. The power source must be 5V with at least 1A.

Astable MC3301 (CB6355E)
This circuit was suggested by Motorola in 1980s documentation. The circuit employs an operational of...
100 kHz Calibrator (CB3923E)
This simple calibration circuit consists of a crystal oscillator that generates an accurate 100 kHz...
Quadrature Generator for Transistor and SCR Testing (CB3807E)
Quadrature Generator for Transistor and SCR Testing This circuit was found in US 1980s...