This circuit is suitable for the calibration of old analog oscilloscopes. It was found in documentation from the 1970s and could be useful if someone is recovering an oscilloscope of the time.
This circuit drives a buzzer or electric buzzer but can be used to trigger a relay or other load....
Found in Popular Electronics from the 90s, this circuit can be used for high voltage applications and...
August 2016 - The new Schottky diodes from Vishay's ESMP series for surface mounting can now be...