Trigger with PUT (CB24089E)

This circuit was found in the November 1970 Radio Electronics magazine. Its function is to trigger without load bounce.

Frequency comparator (CB21609E)
Based on NXP 74HC logic, this circuit can be adapted for various uses. The circuit can also be...
Audio Mixer (CB19268E)
This mixer or audio mixer uses common FETs that can be the BF245 or MPF102 and an operational...
High Current Transistor Regulator (CB20291E)
This circuit is from a Motorola integrated circuit manual. The integrated used is no longer common...