Multiple feedback bandpass filter? Electronics and Electrical Engineering?

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#1 21670351 10 Nov 2013 18:07

Jordan Smith Jordan Smith

Anonymous

Post #1
21670351 10 Nov 2013 18:07

Can someone please explain how these centre frequencies were derived in Multiple feedback band pass filter? and what proportion of an octave was used and what quality factor and why?

Few of the 23 centre frequencies are listed below:
Group f0 R1 R2 R3 C1+C2
Band 1 31 82k 2k7 160k 220nF
Band 2 40 82k 2k7 160k 180nF
Band 3 50 82k 2k7 160k 150nF
Band 4 63 82k 2k7 160k 120nF
Band 5 80 82k 2k7 160k 100nF
Band 6 100 82k 2k7 160k 82nF
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#2 21670352 11 Nov 2013 12:15

DAVID CUTHBERT DAVID CUTHBERT

Anonymous

Post #2
21670352 11 Nov 2013 12:15

This sounds like a school homework problem. If so, your school book will contain all that is needed to answer the question, once you understand the book.
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