band pass filters

Discussion in 'Homework Help' started by Jayeeta, Oct 28, 2007.

  1. Jayeeta

    Thread Starter New Member

    Oct 28, 2007
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    How can we create a band pass filter when two cutting values are given?
     
  2. hgmjr

    Moderator

    Jan 28, 2005
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    214
    I have moved this thread to the homework forum.

    hgmjr
     
  3. beenthere

    Retired Moderator

    Apr 20, 2004
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    If "cutting value" means corner frequencies. then you combine a low pass filter and a high pass filter set at those value. The passband is the range of frequencies between the lower and upper corners.
     
  4. Management

    Active Member

    Sep 18, 2007
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    Do you know what those cutting values represent? As beenthere said, they might mean the corner frequencies of the bandpass filter which essentially are used to "cut" out all other frequencies that are to be passed. Those values are represented by this equation:

    cut freq = 1 / (2*pi*R*C)

    So you can go from there and figure out what your R and C values will be. You can check the ebook I think for circuit configuration.
     
  5. mozikluv

    AAC Fanatic!

    Jan 22, 2004
    1,437
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    you can also achieve your passband circuit with the use of one opamp configured as a multifeedback or use two cascaded opamps as a sallen key.

    moz
     
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