modified 11 years ago

4 stage active low pass

00:49:05

fc = 520Hz

published 11 years ago

hurz

11 years ago

Use the bode plot feature and you will see fc is 614Hz. What you have calculated is fc for a single stage. But combining such a filter lowers the -3dB corner. Hope this helps.

acpcalin

11 years ago

Oh, thanks! However, Bode plot seems to be bugged for me as I bought it but the button doesn't show up

hurz

11 years ago

Change the rectangle source to a sinwave AC source and it should show up!

acpcalin

11 years ago

Thanks! That did it!

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