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.
In this application, from English documentation, we have the way to activate an AC load up to 10 W...
This benchtop AC and DC power source was published in the December 1957 Radio Electronics...
The circuit presented is from the Motorola Linear Databook of 1990. The integrated circuit is a...