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    Exam 15: Active Filters
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    Figure 1 Stage 1: DF = 1
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Figure 1 Stage 1: DF = 1

Question 21

Question 21

Multiple Choice

  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 with values as given. R3 should have a value of A) 1.8 k▲ B) 1.5 k▲ C) 1.2 k▲ D) none of the above 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 with values as given. R3 should have a value of


A) 1.8 k▲
B) 1.5 k▲
C) 1.2 k▲
D) none of the above

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