The LM10 is not common today, but the circuit can be adapted to operate with equivalent components. The circuit is from the 1994 Linear Applications Handbook by National Semiconductor.
This remote control receiver via the power grid appears elsewhere on this site from other sources....
This fraction watt amplifier uses transistors that are still quite common in our market. The power...
This circuit was found in an old American magazine and could make use of more modern components...