In this phase shift circuit, the transistor can be any general-purpose transistor. The circuit is from an Electronics Now issue of June 1993.
This circuit can be used with input voltages up to 750 V, regulating the current between 200 uA...
This circuit is from the 1972 RCA Integrated Circuits Manual. The circuit can be used as the basis...
This is the traditional version of a neon flasher, found in a 2004 documentation. The capacitor...