The outputs of 18 numbers of 20 Hz low-pass filters are sampled, multi – McqOptions

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1.	The outputs of 18 numbers of 20 Hz low-pass filters are sampled, multiplexed and A / D converted. If the sampling is at the Nyquist rate of 40 samples/s, corresponding to signal of 20 Hz bandwidth, and if we use 3 bits/sample to represent each voltage sample, the bit rate is
A.	19 × 103 bits / s
B.	19 × 103 bits/s
C.	2.16 × 103 bits/s
D.	21.6 × 103 bits/s
Answer» D. 21.6 × 103 bits/s

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