Found in Exar documentation from the 1980s, this circuit has a 60 dB cutoff at 1800 Hz. The circuit can be adapted to operate at other frequencies.
January 2017 - Mouser Electronics already has to supply the INA240 evaluation modules for current...
Greater simplicity for a radio receiver than that achieved by the author of this project found in a...
This power control with SCR was found in Radio Electronics from April 1966. The components are...