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.
Found in the July 1968 Supertena Bulletin of a Popular Electronics, this receiver makes use of the...
This switching source was obtained in a 1976 National Semiconductor manual. For the indicated...
This configuration appears several times on this site. The circuit can generate a 100 kHz or other...