This 50% active cycle TTL clock generates signals from 4 to 20 Hz. Its power must be supplied with 5 V and other frequencies can be generated with capacitor replacement.
The signal from this circuit found in a 1968 Electronics World is sinusoidal and depends on the...
Up to 4 A can be sourced by this Power supply. It can be used to power automotive appliances and...
This circuit consists of a good perfromance audio amplifier powered from two or four batteries and has...