This circuit was found in a Signetics documentation from the 1980s. Next to the figure are the waveforms of the generated signals. The transistor admits equivalent.
We found this circuit with PUT in an American publication from the 1980s. PUT is not a common...
This circuit was found in a 90s Popular Electronics. The circuit uses components from that time,...
This electronic ignition for cars of the time was found in the Radio Electronics magazine of May...