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Which factor adds phase noise to the signal?

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Which factor adds phase noise to the signal?

(a) Jitter

(b) Phase fluctuations

(c) Jitter & Phase fluctuations

(d) None of the mentioned

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The correct answer is (c) Jitter & Phase fluctuations

The explanation: When a local oscillator is used in signal mixing, phase fluctuations and jitter adds phase noise to the signal.

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