This multiple switching power supply was found in the April 1991 issue of Radio Electronics magazine. The MOSFET must be equipped with a heat sink.
This circuit is a wireless temperature transmitter for RF signals in the range of 0.2 to 2 MHz...
We found this circuit in an old Radio Electronics. Components can be replaced by modern...
This immobilizer circuit for vehicles was found in a 80’s Hands On Electronics. The circuit...