Analysis of nonlinearities in injection-locked frequency dividers

Xiaoyan Gui; Zhiming Chen; Michael M. Green

doi:10.1109/TMTT.2015.2396897

Analysis of nonlinearities in injection-locked frequency dividers

Xiaoyan Gui
, Zhiming Chen
, Michael M. Green

集成电路与电子学院

Beijing Institute of Technology
University of California at Irvine

科研成果: 期刊稿件 › 文章 › 同行评审

14 引用（Scopus）

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.

源语言	英语
期刊论文编号	7038230
页（从-至）	945-953
页数	9
期刊	IEEE Transactions on Microwave Theory and Techniques
卷	63
期	3
DOI	https://doi.org/10.1109/TMTT.2015.2396897
出版状态	已出版 - 1 3月 2015

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keywords = "Frequency divider, injection locking, nonlinearity",

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N2 - 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.

AB - 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.

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KW - nonlinearity

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Analysis of nonlinearities in injection-locked frequency dividers

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