This converter has coils according to the reception and converted frequency bands. We found it in the October 1989 Radio Electronics magazine in an article that teaches its construction.
Using a 4046 PLL this circuit recognizes a 1.6 to 1.8 kHz tone by driving an output LED. The...
The traditional circuit was taken from a French magazine Radio Plans that no longer exists but can...
June 2017 - Mouser Electronics announced the availability of the new Texas evaluation module for...