Found in Popular Electronics from the 90s, this circuit can be used in tachometers. The integrated circuit is not a common component today.
This circuit can convert an AC voltage signal into a current up to 1 A for powering a load. The...
This circuit was found in an American documentation from 1968. The configuration can be adapted to...
Synchronized key. This circuit was found in a 1966 General Electric documentation. Modern...