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AEP question

  1. Aug 15, 2009 #1
    pls help me
    how work this Qustion


    attachment.php?attachmentid=20122&d=1250349786.jpg

    attachment.php?attachmentid=20121&d=1250349786.jpg
     

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    Last edited: Aug 15, 2009
  2. jcsd
  3. Aug 15, 2009 #2
    Re: Aep

    pls help me
     
  4. Aug 15, 2009 #3

    D H

    User Avatar
    Staff Emeritus
    Science Advisor

    Re: Aep

    Stop.

    You posted the first request at 9:38 AM. You have to give people a chance to respond.

    Your original post does not specify what you want help with, what your problem is, or what work you have done. It instead links to images that I cannot see unless I register at some other site. Sorry, that ain't gonna happen.
     
  5. Aug 15, 2009 #4
    Re: Aep

    I think now u can see
     
  6. Aug 15, 2009 #5
    Re: Aep

    Im sorry about that.
    now its ok.
    pls help me.
     
  7. Aug 15, 2009 #6
    Re: Aep

    A moderator still has to approve the images, why not just write out the problem and what you've attempted so far?
     
  8. Aug 15, 2009 #7
    Re: Aep

    1. sketch a cct diagram of a single pole RC low pass filter with R=1k & c=4.7microf
    2. The amplitude response of the filter in 1 given by,

    |Vo/Vin|=1/√(1+(ω/ωo)^2)

    a . where ωo is the cut off frequency.by considering a number of frequency regions, sketch a freqency response (Bode diagram) of the filter ,labelling the relevent parameters.

    b. calculate the dB gain at 2ωo & 3ωo & state the value of the slope of the role-off in dB/octave.

    3. sketch LRC band pass & band stop fiter ccts


    other q has a diagram
    how find small signal 3dB upper frequncy usin transfer funtion of low pass active filter
     
  9. Aug 15, 2009 #8

    D H

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    Staff Emeritus
    Science Advisor

    Re: Aep

    What have you done so far? We are you to help you do your own homework. We do not do your homework for you.
     
  10. Aug 15, 2009 #9
    Re: Aep

    That is not homework this is past paper question of City & Guilds advance diploma. i cant understand what is the role-off in dB/octave & how fined dB gain at 2ωo & 3ωo using transfer funtion.

    Ru konw how fined those?
     
  11. Aug 15, 2009 #10
    Re: Aep

    Any one know?
     
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