į Input signal x(t) is bandlimited such that it can be properly sampled with a pulse train of period T. However, the sampling device is not ideal and it will actually select – rather than the samples...

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Extracted text: į Input signal x(t) is bandlimited such that it can be properly sampled with a pulse train of period T. However, the sampling device is not ideal and it will actually select – rather than the samples x(nT) - the average of the input from x(nT - A) to x(nT +A). Assume that A=T / 4, what is the maximum amplitude error in X(@) after (ideal) reconstruction and for which frequency does this occur?