This circuit is used to light a 20 W fluorescent lamp from the 12 V of a car battery. The transformer must have the current according to the application. The circuit operates at 1.5 kHz.
This filter, from an audio publication from 1977, passes the frequency range corresponding to the...
In the figure we have three voltage doubler configurations that can be used in high and low...
This circuit was found in Motorola documentation from 1966. The lamps are according to power and...