Early radio receivers worked on a principle called Tuned Radio frequency (TRF), patented in 1916. They weren’t very easy to use, requiring each stage to be tuned to the same frequency (until ganged ...

(click thumbnail)Clockwise from upper left are the Grundig Classic 960, Grundig Satellit 800 Millennium, Sun-Mate Info-Mate, Grundig Mini World 100 PE, Sangean ATS-505 and Panasonic RF2200.Despite all ...

There are a lot of radio options in the U.S., but shortwave radio (SW) is a big deal globally. It's no surprise, then, that SW is going digital. Like many of you, I attribute my career in electronics ...

Commuting is a pain. Luckily, nearly every car has some sort of radio or other audio player to while away the hours stuck in traffic. However, most of those radios sport AM and FM bands, along with a ...

This is a Preselector for SW receivers (diy hf preselector) circuit. The entry low capacitance of MOSFET modern, with two gates, will create negative inverse reaction through a uncoupled source ...

AUSTIN, Texas & DONGGUAN, China--(BUSINESS WIRE)--Silicon Laboratories Inc. (NASDAQ: SLAB), a leader in high-performance, analog-intensive mixed-signal ICs, today announced that it is providing its ...