This circuit is from a 1967 RCA publication. The components are of the time, admitting equivalents, including the SCR that determines the maximum power of the load.
The presented circuit serves as a voltage reference for instrument adjustment. The diode used as a...
This circuit was found in a 1980s General Electric documentation. The circuit uses an operational of...
This circuit was found in a 1977 Radio Shack documentation. The circuit is TTL, which must be...