Shown in Fig. P3.7-12 is the output of a data hold that clamps the output to the

Question:

Shown in Fig. P3.7-12 is the output of a data hold that clamps the output to the input for the first half of the sampling period, and returns the output to a value of zero for the last half of the sampling period.

(a) Find the transfer function of this data hold.

(b) Plot the frequency response of this data hold.

(c) Comparing this frequency response to that of the zero-order hold, comment on which would be better for data reconstruction. T 2 T 37 2 Sampler input 2T ST 2 L---- 37 7T 2 Data-hold output