Need help on biquad lowpass filter transfer function

Discussion in 'The Projects Forum' started by jin8820, Mar 12, 2011.

  1. jin8820

    Thread Starter New Member

    Dec 8, 2010
    3
    0
    Hi all,

    i had some hard time in determine the below biquad lowpass filter. The 4th opamp making me confuse on the transfer function derived...
    Can anyone comment on it?

    biquad.JPG
     
Loading...