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APPARATUS AND METHODS FOR CONTROLLING DELAY USING A DELAY UNIT AND A PHASE LOCKED LOOP
APPARATUS AND METHODS FOR CONTROLLING DELAY USING A DELAY UNIT AND A PHASE LOCKED LOOP
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机译:使用延迟单元和锁相环控制延迟的装置和方法
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摘要
An apparatus for controlling a delay includes a phase locked loop and a delay unit. The phase locked loop generates an oscillation signal having a frequency substantially identical to that of a reference signal. The delay unit includes a delay cell block that outputs delayed signals by delaying the reference signal sequentially by a uniform delay interval. The delay unit controls the delay interval based on a frequency/phase difference between a first input signal and a second input signal of the phase locked loop, and outputs one of the delayed signals as a delayed reference signal. Related methods are also described.
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