Found in 1967 General Electric documentation, this circuit is intended for the control of electroluminescent panels used at the time, Valid as a reference for restoration.
This basic 100 kHz oscillator is suitable for use in calibration. We found it in documentation from the...
This interesting sound effect circuit that produces the sound of bulls or Bull Horn was found in...
This circuit was found in a Motorola Manual of 1965. The circuit has neon lamps as trigger...