5V Powwr Supply Crowbar protection MC3425 (CB14530E)

This circuit is suggested by Motorola in its 1990 Linear Databook. The integrated circuit is no longer common in the market.

20 MHz Colpitts Oscillator (CB5122E)
This circuit can generate signals in the range from 1 to 20 kHz, depending on the crystal. The...
Moisture Detector (CB22075E)
The basis of this circuit is an LM380 that drives a speaker that emits sound when moisture is...
555 1 kHz oscillator (CB22367E)
Using the ICM7555, CMOS version of the 555, this circuit produces a 1 kHz signal. The circuit has...