This circuit can be used to power 6, 9 or 12 V devices in your car. The maximum current is 1.5 A. The circuit is from a 1983 Electronics Hobbyist Handbook.
This circuit has both frequency and duty cycle control. We found it in the October 1992 Radio...
This power supply is indicated for the supply of not very powerful car radios of the AM and FM...
In the absence of a modulation signal, the carrier of this simple short-range transmitter is cut...