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Figure 1 Stage 1: DF = 1

Question 19

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Figure 1 Stage 1: DF = 1.848 and R<sub>1</sub>/R<sub>2 </sub>= 0.152; stage 2: DF = 0.765 and R<sub>3</sub>/R<sub>4 </sub>=1.235. -Refer to Figure 1. The type of filter is a A) low- pass Sallen- Key filter B) high- pass Sallen- Key filter C) low- pass biquad filter D) high- pass biquad filter Figure 1 Stage 1: DF = 1.848 and R1/R2 = 0.152; stage 2: DF = 0.765 and R3/R4 =1.235.
-Refer to Figure 1. The type of filter is a


A) low- pass Sallen- Key filter
B) high- pass Sallen- Key filter
C) low- pass biquad filter
D) high- pass biquad filter

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