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 obtained from an 80's documentation from General Electric. The circuit uses an...
Twin- T oscillators can be used to produce sinusoidal signals in the audio track with good...
This transistor circuit consists of a well-known bass and treble control configuration. The...