3rd order butterworth filter

Discussion in 'The Projects Forum' started by singam, Sep 24, 2013.

  1. singam

    Thread Starter New Member

    Sep 24, 2013
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    0
    hello....

    I was asked to design a 3rd order lowpass filter with a cutoff frequency of 6Khz.

    I was not able to figure out a continous time circuit for the cascading.can u guys please help in designing a butterworth 3rd order lowpass filter.
     
  2. ronv

    AAC Fanatic!

    Nov 12, 2008
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  3. crutschow

    Expert

    Mar 14, 2008
    13,000
    3,229
    For 6kHz, an active-filter would be simpler. Here's how to make a single op amp 3rd order filter.
     
  4. rogs

    Active Member

    Aug 28, 2009
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