Debouncer (CB20546E)

This anti-ringing circuit was found in an English documentation from 1996. The integrated circuit is the 74LS14.

Transistor Matcher (CB19469E)
The purpose of this circuit is to compare transistor gains in order to obtain matched pairs that...
Sequential Whistler (CB16611E)
This sound effect circuit was found in a 1987 publication. It is a circuit that drives a set of...
Voltage Controlled Oscillator (CB10826E)
This circuit was obtained in the publication 101 Electronics Projects of 1979. The circuit can be...