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Sallen Key Rms output Noise

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Skyman343

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Hello

I have designed and constructed a simple 2nd order sallen key active low pass filter (fc ≈ 1Hz) with the parameters listed below.However on further analysis I am tryning to invetisgte how to calculate form theory the electronic noise which will be present at the output. I seem to find very little literature describing noise in this filter configuration and would be grateful for any tips and advice.


R1 = R2 = 22k
C1 = 4.7F
C2 =10µF

Thank you

Skyman
 
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