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Phase locked loops consists of

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Phase locked loops consists of

(a) Phase detectors

(b) Loop filter

(c) Voltage controlled oscillator

(d) All of the mentioned

This question was addressed to me in homework.

Asked question is from Receiver Synchronization topic in portion Synchronization of Digital Communications

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Correct option is (d) All of the mentioned

The best explanation: Phase locked loops have three basic components – phase detector, loop filter and voltage controlled oscillator. It measures the phase difference between the incoming signal and local replica.

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