This circuit was obtained from the 1976 Siemens Integrated Circuits Manual. It is the circuit for applying the TBA400 as a broadband amplifier.
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...