(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 ...
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 ...
There are many ways to build a radio receiver, but most have a few things in common, such as oscillators, tuned circuits, detectors, mixers, and amplifiers. Put those together in the right order and ...
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 ...
From the receiving side of the circuit, the antenna was made of random wire coupled with the inductor L1 having a single turn while inductor L2 has 4 turns wound around a 35 mm film container. Both ...
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 ...
In this letter to the editor, the author [a writer for Radio Club du Perche] comments on recent efforts to supply rural Ukrainians with portable radios. Comment on this or any article. Email [email ...
Digital audio broadcast (DAB) receivers are growing in popularity around the world, enabling listeners to enjoy digital fidelity along with a host of add-on data features. This technology may get ...
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