A Zero-Order Hold circuit behaves like a low-pass filter and thus can be used as a holding circuit to recover the continuous-time signal x(t) from the sampled signal x s (t). The model in Figure 20.37 ...
Consider the input to the zero-order hold. We know that the zero order hold has a train of delta functions as its input. Let us see what the output of the combination of the zero-order hold and the ...
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