LM386 Oscillator (CB25409E)

This circuit is used for cable checking. We found it in the Radio Electronics magazine of December 1996. It is powered by a 9 V battery.

Dual Limit Comparator (CB5087E)
This circuit was obtained in a documentation of the 80s, using operational of the time. The...
Power Interface Using Two NPN Transistor (MSB043E)
The circuit bellow uses two NPN transistor to drive heavy loads up to some amperes. The maximum...
Additional Pull Pull (CB6119E)
This stage was found in a 1964 Electronic Design. The transistors are of the time and the shape of...