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 frequency of this oscillator is given by the coil and by C1/C2. The circuit supports any...
This 9-pixel circuit has been implemented with 9 LDRs and can be coupled to a processing system for...
This control circuit was found in a Radio Electronics from May 1965. The circuit switches a...