Building radio receivers from scratch is still a popular project since it can be done largely with off-the-shelf discrete components and a wire long enough for the bands that the radio will receive.

[Phil] picked up an HD radio receiver when Radio Shack was clearing them out at a 60% discount. But to his disappointment, when he hooked it up the sound left a lot to be desired with limited ...

OneRadio Corp. has been working on its dragnet for radio transmissions for two years in stealth mode, but the spinout from the University of Washington’s CoMotion innovation program is finally ready ...

As discussed in Part 1 of this series, as the frequency of a single or coupled tuned circuits is increased, the selectivity decreases to the point that there may be insufficient selectivity at the ...

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 ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Amateurs began making home radios to ...