This circuit is from a 1968 documentation. It generates a non-symmetrical signal with the waveform shown next to the diagram. Transistors are of the time, but modern equivalents can be used.
We found this circuit in an English publication from 1969. The circuit uses transistors from the...
This circuit was obtained from an 80's amateur radio documentation. The integrated circuit is a...
This circuit, which appears in this section elsewhere, is from an American 1980s documentation....