Analysis of Nonlinearities in Injection-Locked Frequency Dividers

被引：13
|
作者：
Gui, Xiaoyan [1 ]
Chen, Zhiming [1 ]
Green, Michael M. [2 ]
机构：
[1] Beijing Inst Technol, Sch Informat & Elect, Beijing 100081, Peoples R China
[2] Univ Calif Irvine, Dept Elect Engn & Comp Sci, Irvine, CA 92617 USA
来源：
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2015年 / 63卷 / 03期
基金：
美国国家科学基金会;
关键词：
Frequency divider; injection locking; nonlinearity; LOCKING; DESIGN; BAND;
D O I：
10.1109/TMTT.2015.2396897
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The locking range of injection-locked frequency dividers is investigated and it is shown that the presence of nonlinearities, such as those exhibited in a current mode logic (CML) D flip-flop (DFF)-based divider, can result in a wider frequency locking range. A new approach to evaluate such nonlinearities is described. A new divider topology benefiting from the nonlinearity is presented that exhibits both higher operating frequencies and similar locking range compared to the conventional CML DFF-based topology. The chip was fabricated through a TSMC 90-nm CMOS process.
引用
收藏
页码：945 / 953
页数：9
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