Found in a 90s Popular Electronics, this circuit fires an old flash of xenon from the pulse of light received by a sensor. The trigger, however, is made with a delay given by C2.
This circuit consists of a test oscillator for medium and high power NPN transistors. For PNP,...
This is a complete version of the previous circuit, with several scales and two transistors, one...
Found in a 1965 Electronic Design, this circuit makes it possible to select signals with an...