This trigger circuit was found in an American documentation from the 1980s. The amplifiers used can be replaced by equivalents with characteristics according to the frequency.
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...