This circuit was found in an American documentation from 1970. We can increase the number of multiplier steps to have higher output voltage. The operating frequency is around 1.35 kHz.
This is a circuit found in a 1970's Radio Electronics. The circuit works with virtually any triac...
Found in a 1968 Novel Electronics Circuit, this circuit compares two light intensities using...
This SCR relaxation oscillator was found in an 80's Electronic Design. It flashes a small...