This circuit is from American documentation from the 70s. This configuration appears in this section obtained from other sources. The signal is sinusoidal determined in amplitude by D1 and D2.
This fuzz effect is from a 1988 Italian publication, but it can be easily assembled, as the...
The circuit presented, from 2006, serves to control loads at a distance, robots, etc. It can be...
We found this circuit in an English publication from 1963. The circuit uses germanium transistors of the...