This circuit was found in an American documentation from 1969. The circuit is a multi-indicator with resistors typically 47 k for R1 and 100 k for the others.
This circuit can be used on sound mixers to obtain effects. We found the circuit in a 1997...
This circuit was found in the March 1993 issue of Electronics Now magazine. The circuit is a...
This analog TV circuit can be used on a small transmitter. The circuit is from an 80's American...