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stop feedback noise

Discussion in 'General Electronics Discussion' started by ibcomp, Jan 3, 2012.

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  1. ibcomp

    ibcomp

    1
    0
    Jan 3, 2012
    I am designing a system which contains an intercom i.e. 2 simple audio amplifiers back to back. The problem is because the intercom is operated remotely I cannot put push button switches, which would eliminate feedback. Therefore need ideas for filter to minimize feedback noise.
     
  2. OLIVE2222

    OLIVE2222

    690
    25
    Oct 2, 2011
    Hi,

    You can maybe implement a voice activated trig circuit in the mike path. This should act as a switch.

    Olivier
     
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