Found in a Popular Electronics from the 90s, this circuit applies to flashes with xenon lamps. The transistor admits equivalent and the phototransistor is of the Darlington type.
This circuit should be used with low frequency signals only. The circuit is from a documentation from the...
This circuit, found in a 1991 documentation, doubles the frequency of a TTL signal. The maximum...
The Texas TL783 integrated circuit is a three-terminal high voltage regulator with a wide range of...