This circuit is from a Radio Electronics from August 1992. The transistor used allows the control of motors up to about 5 A. It must be equipped with a heat sink.
Found in a 90s Popular Electronics, this circuit generates high voltage for radiation detecting...
This circuit was found in a 90s Popular Electronics. It uses a varicap that admits equivalents. The...
We found this circuit in a 1988 documentation, but the components used are still current. The...