The purpose of this heat detector is to find hot spots on a board or other locations. The sensor is an integrated circuit from the period. The circuit is from Radio Electronics from May 1985.
Found in a 1965 Electronic Design, this circuit generates adjustable pulses between 200 uA and 10...
This circuit synthesizes the tick of a metronome with the speed controlled in RV1. The circuit is...
This circuit digitally amplifies a signal providing an output formed by modulated pulses. It is a...