An amplitude modulated signal is given by V(t) = 10[1 + 0.3cos(2.2 … 10⁴ t)] sin(5.5 … 10⁵ t). Here t is in seconds. The sideband frequencies (in kHz) are, [Given … = 22/7]

Option B. V(t) = 10 + … [2cos A sinB]

Communication Systems

JEE Main 2019 · 11 Jan, Morning shift · Q6345

PhysicsMedium79×since 2003Q6345

An amplitude modulated signal is given by V(t) = 10[1 + 0.3cos(2.2

\times

10⁴ t)] sin(5.5

\times

10⁵ t). Here t is in seconds. The sideband frequencies (in kHz) are, [Given

\pi

= 22/7]