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The autodyne circuit was an improvement to radio signal amplification using the De Forest Audion vacuum tube amplifier. By allowing the tube to oscillate at a frequency slightly different from the desired signal, the sensitivity over other receivers was greatly improved. The autodyne circuit was invented by Edwin Howard Armstrong of Columbia University, New York, NY. He inserted a tuned circuit in the output circuit of the Audion vacuum tube amplifier. By adjusting the tuning of this tuned circuit, Armstrong was able to dramatically increase the gain of the Audion amplifier. Further increase in tuning resulted in the Audion amplifier reaching self-oscillation.

Printed dictionaries and other books with definitions for Autodyne

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Google previewPrinciples of Radio Communication (1921)

by John Harold Morecroft, A. Pinto (assistant chief engineer, Otis Elevator Co.), Walter Andrew Curry

In case the locally generated, high- frequency current is produced by the detecting tube itself, it is called autodyne reception, in case some device other than the detecting tube is used for impressing the local high-frequency current on the grid ...

Google previewElectronics World (1921)

In this case, where the receiving circuit produces oscillations for the reception of undampt waves, the method is called autodyne, auto meaning itself and dyne, meaning power; that is to say which produces its own power. When a separate ...

Google previewThe Standard Electrical Dictionary (1920)

A Complete Manual of the Science by Thomas O'Conor Sloane, Arthur Eugene Watson

Autodyne Reception. In radio work an arrangement of parts to produce or superimpose vibrations on the received current so as to produce beats of a convenient frequency. Synonyms — Endodyne — Self-heterodyne — Autodyne Reception.

Google previewNewnes Dictionary of Electronics (2002)

by S W Amos, Roger Amos

autodyne or ...

Google previewHistorical Dictionary of American Radio (1998)

by Donald G. Godfrey, Frederic A. Leigh

Devices using the heterodyne principle, in order of increasing complexity, include autodyne (regenerative), synchrodyne (direct conversion), and superheterodyne (single or multiple conversion) receivers. DeMaw, Doug. QRP Notebook.

Google previewAbbreviations Dictionary, Tenth Edition (2001)

by Dean A. Stahl, Karen Landen

AUDACIOUS Automatic Direct Access to Information with On-line UDC System audar autodyne detection and ranging aud disb auditor disbursements AUDDITS Automated Dynamic Digital Test System Audel Theodore Audel Aud ...

Google previewThe American Illustrated Medical Dictionary (1915)

autodyne law'to-din). A white, crystalline compound. CH, OCH,CHOH.CH2OH, used in painful conditions. auto-echolalia (aw"to-ek-o-la'lc- ah) [Gr.

Google previewChambers concise dictionary (2004)

autodyne /' ortoodam/ ...

Google previewModern Dictionary of Electronics (1999)

by Rudolf F. Graf

autodyne circuit—A vacuum-tube circuit that serves simultaneously as an oscillator and as a heterodyne detector. autodyne reception —A type of ...

Google previewA practical medical dictionary ... (1914)

by Thomas Lathrop Stedman

autodyne (aw'to-dln). Trade name of an analgesic preparation. autoecholalia (aw"to-ek-o-la'll-ah) [G. autos, self, + echolalia.] The repetition of some or all the words in one's own statements. autce'cic, autce'cious. See autecic .

Google previewAcademic Press Dictionary of Science and Technology (1992)

by Christopher G. Morris, Academic Press

autodyne circuit Electronics, a circuit that acts both as an ...

Google previewChabers 21st Century Dictionary

autodyne /'aitoodain/ o adj, radio said of an electronic circuit: configured so that the same elements and valves are used both as oscillator and detector. © Early 20c: from auto- 1 + Greek dynamis ...

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Scrabble value of A1U1T1O1D2Y4N1E1

The value of this 8-letter word is 12 points. It is included in the first and second editions of the Official Scrabble Players Dictionary.

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