Official PYQ · 2014Set 2 · Q52Continuous-time SignalsNAT2 marks

GATE EC 2014 Set 2 Q52 — Continuous-time Signals

In the figure, $M(f)$ is the Fourier transform of the message signal $m(t)$ where $A = 100$ Hz and $B = 40$ Hz. Given $v(t)= \cos (2\pi f_{c}t)$ and $w(t)= \cos (2\pi (f_{c}+A)t)$ , where $f_{c}>A$ . The cutoff frequencies of both the filters are $f_{c}$ .

The bandwidth of the signal at the output of the modulater (in Hz) is ______.

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Answer: 59.9:60.1

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Published 10 Oct 2026

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