A Phase modulator has a carrier signal of ec = 100cos2pi(735x103)t and phase deviation constant of 0.5 rad/V . The modulating signal is defined by the equation em = 2[cos 2pi(8x103)?][cos 2pi(4x103)t]. Determine: a. the rms voltage of the modulating signal b. the phase deviation of the resulting PM signal at t=17.5ms c. the bandwidth of the modulated signal by Bessel approximation

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