A signal m(t) is shownThis signal is applied to both phase modulator (with kp as phase constant) and frequency modulator (with Kf as frequency constant).The ratio of kf/kp for same maximum phase deviation is _______?a)2andpi;b)1/2andpi;c)1/andpi;d)andpiv;Correct answer is option 'B'. Can you explain this answer?

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A signal m(t) is shown

This signal is applied to both phase modulator (with k_p as phase constant) and frequency modulator (with K_f as frequency constant).

The ratio of k_f/k_p for same maximum phase deviation is _______?

a)
2π
b)
1/2π
c)
1/π
d)
ϖ

Correct answer is option 'B'. Can you explain this answer?

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Verified Answer

A signal m(t) is shownThis signal is applied to both phase modulator (...

In phase modulation maximum phase deviation = k_p∣m(t)I_max

Δϕ = 4.kp…(1)

In frequency modulation

Maximum phase deviation = 2πkf∫m(t)dt∣max

Given

The maximum phase deviation for both techniques is same

i.e., from (1) and (2)

Hence option B is correct.

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A signal m(t) is shownThis signal is applied to both phase modulator (with kp as phase constant) and frequency modulator (with Kf as frequency constant).The ratio of kf/kp for same maximum phase deviation is _______?a)2πb)1/2πc)1/πd)ϖCorrect answer is option 'B'. Can you explain this answer?

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