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The Designer's Guide Community Forum › Modeling › Behavioral Models › how to model polyphase filter

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how to model polyphase filter (Read 918 times)

Faisal Community Member Offline Posts: 90	how to model polyphase filter Mar 03^rd, 2008, 1:42pm Hi, I am looking to make a behavioral model of the polyphase filter (along with the mismatch effects)
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Stefan Senior Member Offline Posts: 124	Re: how to model polyphase filter Reply #1 - Mar 3^rd, 2008, 2:35pm So - what's the question or the problem ?
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jbdavid Community Fellow Offline Posts: 378 Silicon Valley	Re: how to model polyphase filter Reply #2 - Apr 13^th, 2008, 10:29pm do the actual filter using electrical nets.. use ddt for the caps, (I = C dV/dt) each cap and each resistor can have the mismatch added on using the $rdist_normal function YOu can even, generate new mismatch values on a timer.
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Stefan Senior Member Offline Posts: 124	Re: how to model polyphase filter Reply #3 - Apr 13^th, 2008, 11:22pm You don't need to use electrical nets, you can also use signal-flow disciplines like wreal for them. This makes the whole simulation faster, but you'll need to use $dist_normal instead of $rdist... Regards, Stefan
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