A flat-top sampler can be represented as the block diagram of Figure 2.40. (a) Assuming Ï <

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A flat-top sampler can be represented as the block diagram of Figure 2.40.
(a) Assuming Ï„ << Ts, sketch the output for a typical x(t).

(b) Find the spectrum of the output, Y(f), in terms of the spectrum of the input, X(f). Determine the relationship between Ï„ and Ts required to minimize distortion in the recovered waveform?.x(t) X5 (t) h(t) = Y(1) = x,(1) * II(4 - 7)/ 7] Пс-3»я E 8 (t – nT,) 00 n=-00 Figure 2.40

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Principles of Communications Systems, Modulation and Noise

ISBN: 978-8126556793

7th edition

Authors: Rodger E. Ziemer, William H. Tranter

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