Excerpted from Digital Receiver Handbook: Basics of Software Radio Sixth Edition, this series of articles from Pentek shows how digital receivers, the fundamental building block for software radio, ...

A crystal radio is basically a high Q resonator tied to an antenna and an envelope detector. These days the envelope detector is a point contact diode such as a 1N34 Germanium diode. The resonant ...

As I browsed the Exhibit Hall and lingered outside professional development sessions at APCO 2013, I found a consistent theme in the conversations I overheard and those I entered myself. Most ...

Back before cell phones … before video games … before television … even before electric radios, there were crystal radio receivers. In the early 1920s and 1930s, magazines offered instructions on how ...

Radiosophy, LLC, announced a new HD Radio receiver scheduled to begin shipping in May 2007. The HD100 is a fully-featured entry-level HD Radio which will retail for $119.95. For a limited time only, ...

Researchers have made the world’s smallest radio receiver – built out of an assembly of atomic-scale defects in pink diamonds. Researchers from the Harvard John A. Paulson School of Engineering and ...