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Error in Phase lock loop using ic 4046

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Discussion in 'General Electronics Discussion' started by Wasif, Dec 14, 2017.

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  1. Dec 14, 2017 #1
    Wasif

    Wasif

    13
    0
    Sep 29, 2017
    I want to implement phase lock loop circuit using ic 4046 for 50 hz. But I have a problem that my output frequency is oscillating around input frequency which is 50hz.... Attached is the circuit....
    Anyone can solve the problem.... 1513280371469-1940961861.jpg
     
  2. Dec 14, 2017 #2
    kellys_eye

    kellys_eye

    4,275
    1,146
    Jun 25, 2010
    Time constant of the low pass filter.
     
  3. Dec 14, 2017 #3
    Wasif

    Wasif

    13
    0
    Sep 29, 2017
    11 sec by formula t=(r1+r2)c
     
  4. Dec 15, 2017 #4
    Wasif

    Wasif

    13
    0
    Sep 29, 2017
    I picked filter value from circuit available online
     
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