This integrated amplifier was found in a non-existent British magazine from 1975. The used integrated circuit is still popular and the mono bridged version can provide 36 W output power. 4 A.
This circuit prevents damage by accidentally reversing the power supply polarity. The circuit is...
This circuit was obtained from HAM Radio magazine in an 80's issue. The FETs are types of the time...
June 2017 - New high power TVS for high-power retention applications with bi-directional features...