Found in a 1969 Ferranti documentation, this circuit uses only bipolar transistors from that time. Transistors can be replaced with modern equivalents.
This circuit was obtained from a Radio & Electronics Constructor from March 1976. The magazine no...
This circuit was found in a 90s Radio Electronics. It is intended to amplify the sound channel of...
We found this circuit in the September 1992 issue of Radio Electronics magazine. It can be...