This analog meter circuit was found in the September 1989 issue of Radio Electronics magazine. The source must be dual, and the table gives the resistors for the various scales.
This fuzz distortion circuit was found in old RCA documentation. Equivalent transistors may be...
A negative pulse applied to the input of the circuit shown in figure bellow turns on the relay....
This circuit is from a 1977 documentation. It is powered by the power supply of the circuit under...