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# in amplitude modulation, the modulation envelope has a peak value which is double the unmodulated carrier value. what is the value of modulation index?

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### Mohammed

Guys, does anyone know the answer?

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## In amplitude modulation, the modulation envelope has a peak value which is double the unmodulated carrier value. What is the value of the modulation index ?a)25%b)50%c)75%d)100%Correct answer is option 'D'. Can you explain this answer?

Thus = 1, therefor modulation index is 1 or 100% modulation.

Electronics and Communication Engineering (ECE) Question  >  In amplitude modulation, the modulation envel...

In amplitude modulation, the modulation envelope has a peak value which is double the unmodulated carrier value. What is the value of the modulation index ?

a) 25% b) 50% c) 75% d) 100%

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In amplitude modulation, the modulation envelope has a peak value which is double the unmodulated carrier value. What is the value of the modulation index ?a)25%b)50%c)75%d)100%Correct answer is option 'D'. Can you explain this answer?

Thus α = 1, therefor modulation index is 1 or 100% modulation.

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## ✨ [Answered] In AM, the modulation envelope has a peak value double the unmodulated carrier level, when the modulation is

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## In AM, the modulation envelope has a peak value double the unmodulated carrier level, when the modulation is

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A frequency modulated signal can be demodulated by

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## Communication Systems

This is the electronics and communication engineering questions and answers with discussion section on "Communication Systems" with explanation for various interview, competitive examination and entrance test. Solved examples with detailed answer description, explanation are given and it would be easy to understand - Discussion page for Q.7838.

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## Electronics and Communication Engineering :: Communication Systems - Discussion

Home » Engineering » Electronics and Communication Engineering » Communication Systems » Section 20 - Discussion

### Discussion :: Communication Systems - Section 20 (Q.No.45)

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45.

In AM, the modulation envelope has a peak value double the unmodulated carrier level, when the modulation is

[A]. 25% [B]. 33% [C]. 50% [D]. 100% Answer: Option D Explanation:

No answer description available for this question.

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Suren said: (Jun 30, 2018)

Can anybody explain it pls?

JBM said: (Feb 20, 2019)

If Amplitude of unmodulated signal=Amplitude of the carrier, then Modulation = 100%.

And if Amplitude of unmodulated signal=2*Amplitude of the carrier, then Modulation=200%.

So, the answer should be 200%.

Durgesh said: (Jul 20, 2019)

Yes, 200 percentage will be the right answer.

Agree @Jbm.

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Communication Systems - Section 1

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