Question: A polygonal data hold is a device that reconstructs the sampled signal by the straight-line approximation shown in Fig. P3.7-8. Show that the transfer function

A polygonal data hold is a device that reconstructs the sampled signal by the straight-line approximation shown in Fig. P3.7-8. Show that the transfer function of this data hold is 2 (1 8~ ) Ts G(s) =

Is this data hold physically realizable? 0 Input to sampler T 2T 3T 47 Data-hold. output 5T

2 (1 8~ ) Ts G(s)=

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