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.
This power supply provides a12 V stabilized output. The transistor must be provided with a good...
This circuit, which can be used as a shield, was found in American documentation from the 1970s....
Found in American documentation from the 90s, this circuit shows how to derive a signal in the...