neazoi said:Thank you,
just a quick question, If I connect two identical filters in series, does the whole filter become sharper in the cut off region? (greater order?)
neazoi said:Right,
I found filterlab from microchip which I think is very nice and easy to use.
I have produced a 1.8khz lowpass filter using opamps which is about -20db at 2KHz.
I think it should be pretty good to my needs (as sharper cutt off as possible). here it is https://www.diyaudio.com/forums/sho...d0d5ecdba10113b1daa5061&p=1906085#post1906085
neazoi said:Thank you for this important point.
I have used the MFB also with the same parameters and filterlab gives me the same attenuation at 2KHz, -20db.
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neazoi said:Thank you!
Since I do not have a simulator I will go for MFB based on your experience.
Thanks a lot.
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