Lm324 bandpass active filter

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Navarr0 said:
Hello. In ti datasheet of lm324 I found this active bandpass filter. In multisim its working really well. But how can I calculate components for another freq than 1khz?
https://oi39.tinypic.com/97ky6x.jpg
Click to expand...

Frequency changes can be achieved simply by scaling the capacitor values (without C3, of course).
 

I know, but i can't make any circuit from filterpro to work in multisim with single supply +5V opamp.

So another question, is possible to change gain of the filtr from my first post?
 

i can't make any circuit from filterpro to work in multisim with single supply +5V opamp
Click to expand...
Sounds like a trivial point, add suitable DC bias, which isn't provided in the FilterPro circuits.
 
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