The circuit is from old documentation but can be implemented with any modern power MOSFET. The type of MOSFET depends only on the voltage and current of the controlled load.
This low frequency oscillator with an operational amplifier of type 741 has adjustment of the mark...
The circuit shown in the figure is suggested by National Semiconductor and makes use of an...
This circuit was obtained in a technical documentation from 1997. In the event of a power failure, it...