The power transistor of this circuit can also be the TIP42 mounted on a good heat sink. The circuit is from old European documentation and the integrated circuit used is not very common today.
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...