modualation of ir signal

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Discussion in 'General Electronics Chat' started by nipun1987, Oct 1, 2008.

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  1. Oct 1, 2008 #1
    nipun1987

    Thread Starter New Member

    Oct 1, 2008
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    actually i was working on ir sensors...so i am thinking of modulating the ir signal so that the ambient light,flash light can be neglected for the purpose of being used in a micromouse....
    firstly i use a bandpass filter 20khz .and then a peak detector circuit.
    i am actually confused in the peak detector circuit...please drop in ur ideas to elaborate this concept
     
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  2. Oct 1, 2008 #2
    scubasteve_911

    Senior Member

    Dec 27, 2007
    1,202
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