This circuit produces sounds of 6 different notes depending on the keys activated. The circuit is from a Radio Electronics from May 1965. The transistor must be equipped with a heat radiator.
In the figure we have a battery charging circuit for currents up to about 5 A. In series with the...
This circuit with the NE602 was found in the February 1997 Electronics Now magazine. The NE602...
This circuit was found in a 1967 General Electric manual. It is intended for the control of high...