This circuit is from an American 1964 documentation. Transistors of the time are used, but modern equivalents can be employed.
March 2017 - Texas Instruments is already making available through Mouser Electronics the LP5907 an...
We got this circuit in an old publication from 1978. The circuit uses a phototransistor and an...
This simple PWM control was found in American documentation. We can use any power transistor...