Official PYQ · 2015Set 3 · Q23Continuous-time SignalsMCQ1 mark

GATE EC 2015 Set 3 Q23 — Continuous-time Signals

A message signal $m(t) = A_{m} \sin(2πf_{m}t)$ is used to modulate the phase of a carrier $A_{c} \cos(2πf_{c}t)$ to get the modulated signal $y(t) = A_{c} \cos(2πf_{c}t + m(t)).$ The bandwidth of $y(t)$

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Published 10 Oct 2026

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