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anyone have tdf2 filters?
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anyone have tdf2 filters?
by wlangfor@uoguelph.ca » Wed Jul 03, 2019 6:52 pm
Hi all I could'nt find tdf2 filters and wondered if someone has an example,
Thanks
Thanks
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wlangfor@uoguelph.ca - Posts: 912
- Joined: Tue Apr 03, 2018 5:50 pm
- Location: North Bay, Ontario, Canada
Re: anyone have tdf2 filters?
by martinvicanek » Fri Jul 05, 2019 5:46 am
My post on Flowstone Guru is no longer accessible, so I repst it here.
The TDF2 filter topology has the advantage of using only 2 states hence CPU load is low. The main drawbacks are (i) truncation errors at low frequencies and (ii) instability against fast modulation. The ZDF topology solves both issues at little extra CPU load.
The TDF2 filter topology has the advantage of using only 2 states hence CPU load is low. The main drawbacks are (i) truncation errors at low frequencies and (ii) instability against fast modulation. The ZDF topology solves both issues at little extra CPU load.
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martinvicanek - Posts: 1318
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Re: anyone have tdf2 filters?
by wlangfor@uoguelph.ca » Thu Aug 22, 2019 11:48 pm
Thanks Martin, that's very useful.
I'll use them quite a bit
I'll use them quite a bit
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wlangfor@uoguelph.ca - Posts: 912
- Joined: Tue Apr 03, 2018 5:50 pm
- Location: North Bay, Ontario, Canada
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