I am trying to help someone out, he has a Denon home theater receiver and gets pretty crappy AM radio reception with it using the included AM antenna. I tried a cheap amplified Radio-Shack AM/FM ...

AM reception can be very difficult because of the inherent succeptibility AM has to electrical noise and other sources of interference. The built-in antenna in most receivers – a coil and a ferrite ...

When broadcasting was in its infancy, amplitude modulation (AM) was the principal modulation system being researched and developed. Once efficient generation of useful RF signals was discovered and ...