This circuit was found in American documentation from the 90's. The transformer determines the output voltage. The transistor must be equipped with a heat sink.
Indicated at the time of publication as a “walk man” for MW radios, this circuit is simple and can...
Although it is a circuit from the 80s, it can still be easily implemented today because the...
In the figure we have a bistable multivibrator using an operational one. The circuit is from old...