help needed in low pass filter design

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m33tnick

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Hi,
I need circuit diagram for
low pass filter output 100hz,8 order..

MOD: Subject edited to make the query clear
 

You can use any filter program. In the picture, I used Microcap 7 to generate it.

Good luck.
 

thx penrico,but i want to buid it with op-amp,any suggestion?
 

Texas Instruments "Filter Pro" and other filter design tools, that have been mentioned in various previous EDAboard threads can do.
**broken link removed** My personal favourite are the Nuhertz tools. **broken link removed**
 

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