This circuit was found in a Motorola documentation from 1975. Modern equivalent transistors such as the BF245 can be used. The circuit is powered by 9 V voltage from cells or batteries.
This circuit was found in an American documentation from 1976. We can assemble it with two 741,...
This circuit trips when the input signal goes through zero, triggering a direct current load. The...
January 2017 - New ROHM TFZV series of zener diodes is now available from Mouser Electronics. The...