Gain

Discussion in 'Homework Help' started by James4553, Nov 15, 2008.

  1. James4553

    Thread Starter Active Member

    Jun 7, 2008
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    If in a basic amp diagram, the input is shown as -30dBm and the output is 20dBm, what would the gain be?
     
  2. bertus

    Administrator

    Apr 5, 2008
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  3. Wendy

    Moderator

    Mar 24, 2008
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    Gain db = Output DB - Input DB
     
  4. James4553

    Thread Starter Active Member

    Jun 7, 2008
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    I'm just not sure if the gain is -10 or 50

    Can anyone give me an answer/explanation?
     
  5. bertus

    Administrator

    Apr 5, 2008
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    Hello,

    As Bill alreaddy told you : Gain db = Output DB - Input DB
    The gain will be 20 -(-30) = 50 dB.

    Greetings,
    Bertus
     
  6. James4553

    Thread Starter Active Member

    Jun 7, 2008
    35
    0
    Thank you Bertus and Bill. Much appreciated.
     
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