Found in a 1968 US documentation, this circuit shows how to use the resistance-scale multimeter to analyze the dwell angle of old platinum cars.
This stage circuitry for amplifying microphone signals makes use of germanium transistors as indicated...
This circuit was suggested by Philips in 1967 documentation. The circuit receives modulated light and has...
This circuit is from an English magazine of 1974, but can still be assembled with the replacement of...