This circuit produces sounds of 6 different notes depending on the keys activated. The circuit is from a Radio Electronics from May 1965. The transistor must be equipped with a heat radiator.
We found this circuit in a Radio Electronics issue from August 1970. The circuit drives a 12 V...
The photo FET is not a common component today. In this 1964 Electronic Design application we have a light...
This circuit can provide both positive and negative voltage outputs from 2 to 12 V with current up to...