Question

A carrier signal at frequency 100 MHz is frequency modulated with modulation index 2 by a signal at 2 kHz. At what frequencies are the sidebands produced?

a.

102 MHz and 98 Mhz

b.

100 MHz + 2 kHz, 100 MHz - 2 kHz

c.

100 MHz ± Δfd where fd is frequency deviation

d.

100 MHz ± 3n kHz, where n is 1, 2, ... S integer

Posted under Electronics and Communication Engineering

Answer: (d).100 MHz ± 3n kHz, where n is 1, 2, ... S integer

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Q. A carrier signal at frequency 100 MHz is frequency modulated with modulation index 2 by a signal at 2 kHz. At what frequencies are the sidebands produced?
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