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 Ferranti's 1974 transistor manual. The circuit source a sawtooth signal to...
We found this circuit in the 1982 SGS integrated circuit manual. The integrated circuit is not...
The indicator instrument of this transistor tester, from an Argentine publication of the 1970s,...