Question
A 500 Hz modulating voltage fed into an FM generator produces a frequency deviation of 2.25 kHz. If amplitude of the voltage is kept constant but frequency is raised to 6 kHz then the new deviation will be
Answer: Option B
:
B
mf = δfm=2250500 = 4.5
∴ New deviation = 2(mffm) = 2 × 4.5 × 6 = 54 kHz.
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:
B
mf = δfm=2250500 = 4.5
∴ New deviation = 2(mffm) = 2 × 4.5 × 6 = 54 kHz.
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