The baseband signal π‘š(𝑑) shown in the figure is phase-modulated to generate the PM signal πœ‘(𝑑) = cos(2πœ‹π‘“π‘π‘‘ + π‘˜ π‘š(𝑑)). The time 𝑑 on the x-axis in the figure is in milliseconds

Q. The baseband signal π‘š(𝑑) shown in the figure is phase-modulated to generate the PM signal πœ‘(𝑑) = cos(2πœ‹π‘“π‘π‘‘ + π‘˜ π‘š(𝑑)). The time 𝑑 on the x-axis in the figure is in milliseconds. If the carrier frequency is 𝑓𝑐 = 50 kHz and π‘˜ = 10πœ‹, then the ratio of the minimum instantaneous frequency (in kHz) to the maximum instantaneous frequency (in kHz) isΒ (rounded off to 2 decimal places).

Ans: 0.74 – 0.76

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