This simple neon lamp oscillator produces a 140 Hz, 40 V peak-to-peak signal. The frequency is given by the capacitor that can have its value changed. Note the high supply voltage.
This circuit was found in a Radio Electronics from June 1967. The regulator is suitable for power...
1 We found this circuit in GE's 1977 semiconductor manual. The optical isolator uses an opto-SCR, and the...
This is one of the many debouncer or anti-ring settings that the reader can find on this site. In this...