Found in American documentation from 1969, this circuit switches signals with a FET of the time. The circuit can be implemented with modern equivalent transistors.
We found this circuit in an English publication in 1982, but it can still be easily assembled by...
This circuit was obtained in a 1967 General Electric documentation. It alternately fires two xenon...
This is a traditional flasher configuration with two neon lamps. The frequency is given by the 100 nF...