The integrated circuit used in this configuration for noise reduction on FM radios is not common today. The circuit is from 80s documentation and the reduction rate obtained is in the 10dB order.
In this application, from English documentation, we have the way to activate an AC load up to 10 W...
This benchtop AC and DC power source was published in the December 1957 Radio Electronics...
The circuit presented is from the Motorola Linear Databook of 1990. The integrated circuit is a...