This Power supply sources from 500 to 1,000 mA according the transformar and was found in a publication of the year 1958. The diodes can be now the 1N4004 and the transistor should be mounted on a heatsink.
Found in an 70s Electronic Engineering, this circuit divides the pulse frequency by non-integer...
This circuit generates 50, 100 and 200 Hz signals from a 2.2768 MHz TV crystal. The circuit can be...
This circuit was found in an old publication from 1975 and 2N2222 transistors can be used instead of...