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.
June 2017 - The new non-polarized SMT aluminum electrolytic capacitors from Wurth Electronics can...
Varicap or varactor is the basic component used in this circuit of an American 80's documentation. The...
April 2017 - Texas Instruments bq51222 integrated circuit for chargers and other Qi wireless power...