A signal is transmitted using as carrier wave

PHYSICS · Single correct · A Level · Physics · Electronics · Electronics

Problem

A signal Acos⁡ωtA \cos \omega t is transmitted using v0sin⁡ω0tv_0 \sin \omega_0 t as carrier wave. The correct amplitude modulated (AM) signal is: (1) v0sin⁡ω0t+A2sin⁡(ω0−ω)t+A2sin⁡(ω0+ω)tv_0 \sin \omega_0 t + \frac{A}{2} \sin(\omega_0 - \omega)t + \frac{A}{2} \sin(\omega_0 + \omega)t (2) v0sin⁡[ω0(1+0.01Asin⁡ωt)t]v_0 \sin[\omega_0(1 + 0.01 A \sin \omega t)t] (3) v0sin⁡ω0t+Acos⁡ωtv_0 \sin \omega_0 t + A \cos \omega t (4) (v0+A)cos⁡ωtsin⁡ω0t(v_0 + A) \cos \omega t \sin \omega_0 t

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