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 Forum index » DIY Hardware and Software » Developers' Corner
Anyone use FilterPro or FilterCad for VCF design?
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acidblue



Joined: Jun 26, 2009
Posts: 192
Location: The Darkside

PostPosted: Wed May 07, 2014 3:56 pm    Post subject: Anyone use FilterPro or FilterCad for VCF design? Reply with quote  Mark this post and the followings unread

Just discovered FilterPro and FilterCad and was wondering if any one thinks they are useful for designing VCF's ??

FilterPro:http://www.ti.com/tool/FILTERPRO
FilterCad:http://www.linear.com/designtools/software/

What parameters should I try for say a lowpass or bandpass 2-4 stage filters??
What HZ should I be attenuating/cutoff for a low pass filter??
If I'm not mistaken the human ear range is 20 HZ to 20KHZ So i would think for a lowpass filter it should start to cutoff around 200 HZ ??

FliterPro seems more polished than FilterCad, plus FilterCad seems to be
geared towards specific filter chips, which is ok i guess I just dont know
if that will work for audio.

Any insight would be appreciated as Im a bit new to this.
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LFLab



Joined: Dec 17, 2009
Posts: 187
Location: Rosmalen, Netherlands

PostPosted: Fri May 09, 2014 1:19 pm    Post subject: Reply with quote  Mark this post and the followings unread

Been looking at one of them because I bought some uaf42 filter ic's, but didn't build anything yet. Apparently these ic's are not that great.

But if you are looking to simulate stuff, why not try ltspice? More a general application rather than something very specific.
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