Jun Yu   

Associate Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates

Title : 仪器仪表学会传感器分会理事;中国仪器仪表学会微纳器件与系统技术分会理事;IEEE会员

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Language:English

Paper Publications

Title of Paper:高性能集成锁相环中低失配电荷泵的设计

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Date of Publication:2017-03-13

Journal:电子与信息学报

Included Journals:EI、CSCD

Volume:39

Issue:6

Page Number:1472-1478

ISSN No.:1009-5896

Key Words:集成电路;锁相环;抖动;参考杂散

Abstract:在分析电荷泵结构、工作原理和产生杂散机理的基础上,该文提出了一种低静态电流失配、低时序失配的高性能电荷泵.此电荷泵通过减小电荷泵开关过程中时序失配和电流失配,减小了高频锁相环中的抖动和杂散.基于中芯国际0.18μm CMOS射频工艺技术和1.8 V电源电压,对采用此高性能电荷泵的锁相环进行了相位噪声仿真.仿真结果验证了这些锁相环具有低噪声特性:在480 MHz的输出频率下,二阶锁相环的周期抖动为1.05 ps,最大参考杂散为-121 dBc.

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