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+ q6 l' j5 ]3 n( }- P. hThe low pass active filter is shown in Figure 5. The DC gain is defined by –R2/R1. The filter has a -20dB/decade roll-off after its
, Q& G! o$ n) u2 a% kcorner frequency ƒC=1/(2πR3C1).
) ^9 C/ Z( H5 r0 ~* h- i, u; i. `( B& c# G9 B* L
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