In the figure we have the way to implement a voltage doubler in a simple source. The component values are given next to the diagram.
I found this circuit in a magazine Mundo Eletrônico, from the 70s published by my friend A....
This circuit of a 1991 PE Hobbyst Handbook allows the brightness of the incandescent lamp to be...
This is a possible setting for a Colpitts oscillator operating in the audio track. The shunt coil...