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Filter Doubts - what does it mean filter null point?
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danesh



Joined: 24 Nov 2003
Posts: 181
Post27 Mar 2009 4:36   

Filter Doubts
Hi guys

im kind of new to filter design would like to know futher information on filter design.

i wanted to know what does it mean by filter null point? thanks guys


-danesh-
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Post27 Mar 2009 4:36   

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flatulent



Joined: 19 Jul 2002
Posts: 4877
Helped: 324
Location: Middle Earth
Post27 Mar 2009 4:52   

Re: Filter Doubts
It may mean that there is an imaginary axis pair of zeros which make the transmission through the filter zero at their frequency.
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