This dual-tuned 60 Hz oscillator was found in the Radio Experimenter Special projects of 1993. The circuit has the timing ranges given by C1 which can be changed.
Found in the August 1970 Radio Electronics magazine, this circuit uses a CA3018 with the trigger...
This circuit was obtained in an old English magazine from 1976. However, the components can still...
Hughes suggests this circuit in a 1968 documentation. The circuit uses old transistors that can be...