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Phase-locked loop, phase-locking method, and communication unit
Phase-locked loop, phase-locking method, and communication unit
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机译:锁相环,锁相方法和通信单元
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摘要
A phase-locked loop of the disclosure includes a detector, an oscillator, an adjuster, and a controller. The detector detects a transition of an input clock signal. The oscillator generates a clock signal having a frequency corresponding to a first control signal, and changes a phase of the clock signal on a basis of a detection result in the detector. The adjuster adjusts a phase difference between a phase of the input clock signal and the phase of the clock signal depending on a second control signal. The controller compares the phase of the input clock signal and the phase of the clock signal at a plurality of comparison timings, and generates the first control signal and the second control signal on a basis of a result of the comparison.
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