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.
Found in a 1960 Sylvania manual, this circuit can be implemented with a modern equivalent...
This configuration, already presented in other points of this section and website, is of a...
We found this precise crystal oscillator for the 144 MHz band, depending on the crystal used. The...