Additional Pull Pull (CB6119E)

This stage was found in a 1964 Electronic Design. The transistors are of the time and the shape of the signal obtained is shown in the diagram.

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Synchronized astable (CB21832E)
This circuit was taken from the 1974 Ferranti transistor manual. Note the shapes of the signals....
Economic Ambulance Siren (CB18011E)
This mini siren, found in a 2003 publication, powers a small piezoelectric transducer, but a...
Fuzz (CB12093E)
This fuzz effect is from a 1988 Italian publication, but it can be easily assembled, as the...