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High-q bandpass filter question

Discussion in 'Electronics Homework Help' started by 101m4n, Nov 28, 2012.

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  1. 101m4n


    Nov 28, 2012
    I have found this bandpass filter design on the net:
    I understand how to build and configure it, and It is also ideal for my project. But in order to use it as part of my A level coursework, I must provide a component level explanation as to how it works. As this circuit is not in the textbook, this is proving rather difficult for me.
    A quick and simple explanation as to how it works the way it does would be great, but as with all things electronic, the explanation is rarely quick and simple ;)
    Any help would be much appreciated
  2. Harald Kapp

    Harald Kapp Moderator Moderator

    Nov 17, 2011
    This is called a multiple feedback topology.

    Read chapter 16 (specifically in this book (PDF).
    There you will find a very detailed explanation of the filter operation.

    Last edited: Nov 28, 2012
  3. 101m4n


    Nov 28, 2012
    This is so much more detailed than the textbook we are currently using...
    Will definitely be referring to this in future.
    cheers ;)
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