The Delay-Locked Loop [A Circuit for All Seasons]

The Delay-Locked Loop [A Circuit for All Seasons]
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延迟锁定循环 [适合所有季节的电路]

DOI:
10.1109/mssc.2018.2844615
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发表时间:
2018
期刊:
IEEE Solid-State Circuits Magazine
影响因子:
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通讯作者:
B. Razavi
B. Razavi
中科院分区:
--
文献类型:
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作者:
B. Razavi

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延迟锁定环(DLL)可以被认为是反馈电路,其在不使用振荡器的情况下将输出锁相到输入。在某些应用中,DLL是必要的或优于锁相环(PLL),其优点包括对电源噪声的敏感度较低和相位噪声较低。本文介绍DLL的基本设计概念。
Delay-locked loops (DLLs) can be considered as feedback circuits that phase lock an output to an input without the use of an oscillator. In some applications, DLLs are necessary or preferable over phase-locked loops (PLLs), with their advantages including lower sensitivity to supply noise and lower phase noise. This article deals with fundamental DLL design concepts.