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.
This Phase-Shift Oscillator produces sine low frequency signals suitable for many applications. It...
This circuit is from an 80's technical newsletter. The circuit can use any general purpose...
This circuit is from American documentation from the 1980s. The circuit can make use of any common...