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The sampled sequence xa(nT) is reconstructed using an ideal DAC with an interpolation function defined in the frequency domain by Ga(F) A for |Fl < Fe, and Ga(F) - 0 for |FI > Fe, where Fe is the cut-off frequency. The result is the interpolated analog signal, Ka(t). Let the spectrum of Xa(nT) satisfy Xa(F) = 0 for IFI > 3.5 Hz. Find the maximum value of T, amplitude A, and the cut-off frequency Fc such that xa(t) = xa(t). sec., A = and Fe = Hz help (numbers).

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