This circuit is intended for use with common oscilloscopes having been found in documentation on instrumentation from the 1970s. The capacitors are of the ceramic type with low parasitic inductance.
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...