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disadvantages of IMPATT and Gunn diode

Discussion in 'General Electronics Discussion' started by Aneel4444, Nov 6, 2012.

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  1. Aneel4444

    Aneel4444

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    Nov 6, 2012
    Can anyone tell me that what are the disadvantages of impact and the gunn diode please ??
     
  2. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,449
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    Jan 21, 2010
    I'm pretty sure that if you hit them with a hammer they will break.

    Or do you mean impact ionisation, or possibly IMPATT diodes?
     
  3. Aneel4444

    Aneel4444

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    Nov 6, 2012
    sorry it was typing mistake i mean to say disadvantages of impatt and gunn diode
     
  4. davenn

    davenn Moderator

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    Sep 5, 2009
    main disadvantages of IMPATT diodes are their hi phase noise caused by the avalanche effect on which they operate, and they need hi voltage usually 70V +
    They are higher power generators than Gunn diodes tho

    Gunn Diodes are lower voltage operation usually less than 12V DC. Usually always less than 1W output typically 10 to 150mW output for a given diode.
    becayse they operate differently to the IMPATT diode they generate much lower phase noise

    Dave
     
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