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 is the traditional Hartley Oscillator configuration for high frequencies. For 1 MHz wind 80...
To turn on the configuration of CIR106E using a “’1" logic level, the circuit is given here. To...
This type of circuit is traditional and has been published several times in different forms and...