Official PYQ · 2002Set 1 · Q1.20Continuous-time SignalsMCQ1 mark

GATE EC 2002 Set 1 Q1.20 — Continuous-time Signals

Consider a sampled signal $y(t)=5 \times 10^{\circ}$ ${ }^6 x(t) \sum_{(n-\infty}^{+\infty} \delta \left(t-n \mathrm{T}_x\right)$ where $x(t)=10 \cos \left(8 \pi \times 10^3\right) t$ and $T_s=100 \; \mu \mathrm{sec}$ . When $y(t)$ is passed through an ideal lowpass filter with a cut-off frequency of 5 $\mathrm{kHz}$ , the output of the filter is

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Published 10 Oct 2026

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