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.

Electronic Relay (CB14743E)
This assembly is from 1957 from a Raytheon manual, but can be modernized using a BC548, 6 V power...
50 to 150 MHz Oscillator (CB6513E)
We find this oscillator in a 1980s documentation. The frequency depends on the crystal and the...
Sampling and Hold with inverter (CB8883E)
Found in a 1969 Burr-Brown publication, this circuit makes use of integrated components from that...