SPM(t) and SFM(t) as defined below, are the phase modulated and the frequency modulated waveforms, respectively, corresponding to the message signal m(t) shown in the figure.SPM(t) = cos(1000andpi;t+ Kp m(t))andwhere Kp is the phase deviation constant in radians/volt and Kf is the frequency deviation constant in radians/second/volt. If the highest instantaneous frequencies of SPM(t) andSFM(t) are same, then the value of the ratio Kp/Kfis __________ Seconds.Correct answer is '2'. Can you explain this answer?

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S_PM(t) and S_FM(t) as defined below, are the phase modulated and the frequency modulated waveforms, respectively, corresponding to the message signal m(t) shown in the figure.
S_PM(t) = cos(1000πt + K_p m(t))
and

where K_p is the phase deviation constant in radians/volt and K_fis the frequency deviation constant in radians/second/volt. If the highest instantaneous frequencies of S_PM(t) and S_FM(t) are same, then the value of the ratio K_p/K_fis __________ Seconds.

Correct answer is '2'. Can you explain this answer?

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SPM(t) and SFM(t) as defined below, are the phase modulated and the fr...

S(t)_pm = A_c cos[2π f_c t + k_p m(t)]

Instantaneous frequency are equal

Given that,

5 k_p = 10 k_f
K_p/K_f= 2

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SPM(t) and SFM(t) as defined below, are the phase modulated and the frequency modulated waveforms, respectively, corresponding to the message signal m(t) shown in the figure.SPM(t) = cos(1000πt+ Kp m(t))andwhere Kp is the phase deviation constant in radians/volt and Kf is the frequency deviation constant in radians/second/volt. If the highest instantaneous frequencies of SPM(t) andSFM(t) are same, then the value of the ratio Kp/Kfis __________ Seconds.Correct answer is '2'. Can you explain this answer?

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