The integrated circuit used in this application is uncommon, but equivalent operational ones can be used. The circuit is from the Signetics integrated circuits manual from 1972.
This amplifier provides a power near to 1W. The supply must be made with a voltage of 9 V coming...
July 2017 - The new Diodes Incorporated AP7350 LDOs with ultra low quiescent current can be...
With earphones connected to the output, this circuit can monitor radio signals from AM...