Found in a 1970 American publication, this circuit uses transistors of the time. These transistors may be replaced by current equivalents. The factor Q is greater than 3 000.
This circuit is from an old documentation making use of a 3,579,645 MHz analog color television...
The circuit shown in the figure is suggested by Intersil (www.intersil.com) and makes use of the...
This circuit split the voltage of a Power supply allowing it to be used as dual supply. The limit...