This circuit was found in RCA documentation from the 90s. It consists of a power control for a load based on a thermocouple. The integrated circuits are uncommon today.
The operational amplifier can be of any type in this circuit, found in a 1974 publication. The...
This circuit was found in a 1969’s American documentation. It shows how to use two transistors to form...
This circuit serves as a reference for the components used and the time. The circuit is from 1967...