Found in a 1967 publication by General Electric, this SCR circuit generates voltages of 120 VAC at the output. The circuit has an input voltage of 28 V.
This circuit was taken from the 1974 Ferranti transistor manual. Note the shapes of the signals....
This mini siren, found in a 2003 publication, powers a small piezoelectric transducer, but a...
This fuzz effect is from a 1988 Italian publication, but it can be easily assembled, as the...