In the figure we have a circuit of an analog computer published in the Radio Electronics magazine of June 1958. Accuracy depends on the components used, mainly the potentiometers.
This circuit can produce signals up to 100 kHz depending on C1 and R1 adjustment. The output has a...
Found in Radio Electronics this circuit uses a fotodiac to drive a triac. The circuit can use...
This circuit was obtained in an American documentation translated in the 80's. The circuit can be...