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A 100MHz carrier is frequency modulated by 10 KHz wave. For a frequency deviation of 50 KHz, calculate the modulation index of the FM signal.
- a)100
- b)50
- c)70
- d)90
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
A 100MHz carrier is frequency modulated by 10 KHz wave. For a frequenc...
Carrier frequency fc = 100MHz
Modulating frequency fm = 10 KHz
Frequency deviation Δf = 500 KHz
Modulation index of FM signal is given by
mf = Δf/fm
= 500 * 103/ 10 * 103
= 50
Modulating frequency fm = 10 KHz
Frequency deviation Δf = 500 KHz
Modulation index of FM signal is given by
mf = Δf/fm
= 500 * 103/ 10 * 103
= 50
Most Upvoted Answer
A 100MHz carrier is frequency modulated by 10 KHz wave. For a frequenc...
Given data:
Carrier frequency, fc = 100 MHz
Modulating frequency, fm = 10 KHz
Frequency deviation, Δf = 50 KHz
Modulation index (m) is given by the formula:
m = Δf / fm
Calculation:
Substituting the given values in the formula, we get:
m = 50 KHz / 10 KHz
m = 5
Therefore, the modulation index of the FM signal is 5.
Answer: Option B (50)
Carrier frequency, fc = 100 MHz
Modulating frequency, fm = 10 KHz
Frequency deviation, Δf = 50 KHz
Modulation index (m) is given by the formula:
m = Δf / fm
Calculation:
Substituting the given values in the formula, we get:
m = 50 KHz / 10 KHz
m = 5
Therefore, the modulation index of the FM signal is 5.
Answer: Option B (50)
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Community Answer
A 100MHz carrier is frequency modulated by 10 KHz wave. For a frequenc...
Modulating frequency fm= 10 KHz
Frequency deviation Δf = 500 KHz
Modulation index of FM signal is given by
mf = Δf/fm
= 500*103/ 10*103
= 50
Frequency deviation Δf = 500 KHz
Modulation index of FM signal is given by
mf = Δf/fm
= 500*103/ 10*103
= 50
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A 100MHz carrier is frequency modulated by 10 KHz wave. For a frequency deviation of 50 KHz, calculate the modulation index of the FM signal.a)100b)50c)70d)90Correct answer is option 'B'. Can you explain this answer?
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