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An Audion Radio
http://crystalradio.us/wuggy/audion.htm
AN AUDION RECEIVER (updated 26 Nov 00) Okay, here is another little radio for you to play with. Doesn't seem like much, but it has some very interesting features, needing only a tiny handful of readily available parts, and having a lot of flexibility in its operation. It is a basic audion design, where the transistor acts as both detector and ...
Audion | electronics | Britannica
https://www.britannica.com/technology/Audion
Audion, elementary form of radio tube developed in 1906 (patented 1907) by Lee De Forest of the United States. It was the first vacuum tube in which a control grid (in the form of a bent wire) was added between the anode plate and the cathode filament. The control grid enabled De Forest to modulate the current between the filament and the plate, producing the first successful …
Audion - Listen to Free Radio Stations - AccuRadio
https://www.accuradio.com/artist/Audion/
Audion on AccuRadio. Free customizable online radio with unlimited skips. Listen now!
How Audions Were Built, January 1947 Radio-Craft - RF Cafe
https://rfcafe.com/references/radio-craft/how-audions-were-built-radio-craft-january-1947.htm
McCandless made for them two types of bulbs. The first was a tantalum-filament double audion, and the second a single audion, but having larger elements and a larger bulb, with a longer, higher-voltage filament of tantalum. These tubes are shown in the photographs. The larger elements were used at the suggestion of Grogan.
DeForest Audion Tube, Type D-01A, circa 1924 - The …
https://www.thehenryford.org/collections-and-research/digital-collections/artifact/256334
Dr. Lee De Forest was an inventor, engineer, and the self-styled "Father of Radio." In 1906, De Forest invented the Audion tube, allowing the detection and amplification of weak radio signals. As the first triode vacuum tube, the Audion revolutionized radio broadcasting--and made it more practical. By the late 1920s, vacuum tube radios were the widespread in people's homes.
560 AUDION Radio Receivers & Vintage Radios ideas in …
https://www.pinterest.com/friedstumm/audion-radio-receivers-vintage-radios/
Jan 30, 2022 - Explore Wilhelm C. Friedstumm's board "AUDION Radio Receivers & Vintage Radios", followed by 396 people on Pinterest. See more ideas about vintage radio, radio, vintage.
Audion Vacuum Tube - History Computer
https://history-computer.com/the-audion-vacuum-tube/
Audion Vacuum Tube: History. Gas flames had been electrically conductive since about the middle of the nineteenth century, and early wireless researchers had recognized that the existence of radio waves altered this conductivity. De Forest discovered that gas in a partial vacuum driven by a standard lamp filament reacted similarly.
Home - Audion Elektro
Audion Elektro UK Unit 4, Centurion Way Business Park, Alfreton Road, DE21 4AY T: (0)1332 404330 VAT 302127615 Company No 03856331. Audion NL Hogeweyselaan 235 1382 JL Weesp T: +31(0)294-491717 E: [email protected]. VAT: NL803873104B01 Trade reg. Hilversum: 32057820. Audion Elektro GmbH Karl-Kisters-Straße 8 D-47533 Kleve T:+49(0)2821 …
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