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5 Z+ v6 Y9 ?' c) U$ mThe 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 ' A) B' f6 B% p+ T
corner frequency ƒC=1/(2πR3C1).
2 P5 M$ ]9 C Q4 ~6 W( w/ y+ W# q4 e4 _ }' w* h
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