Design of High-Performance Phase-Locked Loop Using Hybrid Dual-Path Loop Architecture: an Overview (Invited Paper)

Zhao Zhang, N. Wu
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引用次数: 0

Abstract

The performance requirements of phase-locked loops (PLL) for the emerging applications such 5G and IoT are continuously growing. Compared with the conventional single-path loop based PLL, including the charge pump based PLL, sub-sampling PLL and all-digital PLL, the hybrid dual-path loop based PLL architecture (HDL-PLL) can combine the advantages of all these three kinds of single-path loop based PLL to achieve better performances. This paper first gives an overview of the basics, advantages, and the recent research progress of HDL-PLL. Then, two design examples based on our recent research with their measurement results are introduced to show that the HDL-PLL architecture can effectively improve the PLL performances.
基于混合双路环结构的高性能锁相环设计综述(特邀论文)
5G和物联网等新兴应用对锁相环(PLL)的性能要求不断提高。与传统的单路环锁相环(包括电荷泵锁相环、子采样锁相环和全数字锁相环)相比,基于混合双路环的锁相环架构(HDL-PLL)可以综合这三种单路环锁相环的优点,从而获得更好的性能。本文首先概述了高密度锁相环的基本原理、优点以及近年来的研究进展。在此基础上,介绍了两个基于我们最近研究的设计实例及其测量结果,表明HDL-PLL架构可以有效地提高PLL性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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