Found in the April 1998 Electronics Now magazine, this circuit controls loads that rely on the power transistor. The circuit uses a single push button for control.
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...