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Stabilizing Superheterodyne Performance - Electron-Coupled ...
Screen-grid coupling resistor, 50,000-ohm 1-watt carbon type. Radio-frequency choke for oscillator frequency range. Filament supply for '24 and '35 tubes, 2.5- ... Learn More
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Former MIT President, Electrical Engineering Professor Emeritus ...
Sep 20, 2017 ... ... regenerative receiver built during World War II when Amateur Radio was suspended for the duration. Gray said he entered high school “with ... Learn More
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The EMI Finder
Some of the typical broadband emit- ters of radio frequency interference. (RFI) that you can pinpoint are power- line insulators, computers and indus- trial ... Learn More
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National Association for Amateur Radio Website Search
The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, ... Learn More
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The Radio Amateur's Hand Book by Archie Frederick Collins
Mar 16, 2010 ... By Martin Ewing, AA6e aa6e@arrl.net. March 16, 2010. From spark to phone -- an interesting look at the technologies of ham radio's early ... Learn More
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Forum » General discussion about technology and policy ...
Jul 23, 2023 ... The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, ... Learn More
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A Simple Regen Radio for Beginners Notes
The combination of the very low operating power of this stage, only 30 microWatts, with the use of a simple whip antenna makes this receiver extremely portable ... Learn More
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Transatlantic Reception Anniversary Special Event Set for ...
Dec 7, 2016 ... The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, ... Learn More
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How Receivers Work
After all, many ham bands contain a jumble of radio signals that wax and wane, cover one another up and rattle our earphones or loudspeakers. A good receiver is ... Learn More
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Reminiscent Radio Tales *By Clarence D.Tuska
May 1, 2017 ... A mineral detector and a single telephone receiver on a ... regenerative receiver greatly increased the service range of amateur stations. Learn More
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