400V Neon Regulator (CB8824E)

Found in an old American documentation, this circuit uses neon lamps as a reference to obtain a 400V output voltage.

High Current Regulator (CB10982E)
This circuit was obtained in a 1978 English magazine. This adjustable stabilized power source...
Windscreen Wiper Timer (CB4957E)
This circuit was found in old documentation, but as it uses the 555 it can still be easily...
Self timer (CB21579E)
This timer with field effect transistors was obtained from Fairchild documentation. The times...