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Analog Electronics

Q1:

Consider 49 cascaded amplifiers having individual rise time as 2 n sec. 3 n sec. ... 50 n sec. The input waveform rise time is 1 n sec. Then the output signal rise time is given time by (Assume output signal rise time is measured within 10 percent range of the final output signal.)

A 39 - 28 μsec

B 2.28 μsec

C 0.228 μsec

D 39.28 μsec

ANS:C - 0.228 μsec

Output rise time (tr) 1.1ti02 + t12 + ... + t492, where t, t2 ... t49 are the individual rise time. tr 1.1 (1 ns)2 + (2 ns)2 + (50 ns)2 1.1 0.228 msec.



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