This circuit was found in a 1980s documentation for amateur radio. The circuit is for 9 MHz signals and values in parentheses for FI of 455 kHz. The circuit can be adapted to other frequencies.
The purpose of this 2000 documentation circuit is to decode SSB (BLU) signals to be audible on...
This circuit can convert an AC voltage signal into a current up to 1 A for powering a load. The...
This linear LED scale circuit was found in the February 1992 issue of Radio Electronics magazine. Note...