An open loop compensation technique for reducing supply sensitivity of CML ring oscillator

Ziqian Wang; Xuefei Bai; Shengxi Diao; Fujiang Lin

doi:10.1007/s10470-017-1039-7

An open loop compensation technique for reducing supply sensitivity of CML ring oscillator

Ziqian Wang^*
, Xuefei Bai
, Shengxi Diao
, Fujiang Lin

^*此作品的通讯作者

University of Science and Technology of China

科研成果: 期刊稿件 › 文章 › 同行评审

2 引用（Scopus）

摘要

The causes of supply induced noise are investigated and a circuit technique that reduces the supply sensitivity of CML ring oscillator is presented. This technique applies a current bias circuit with negative supply sensitivity to compensate the intrinsic positive sensitivity of VCO and alleviate the impact of supply voltage fluctuation. A prototype chip is fabricated in a 180 nm CMOS process to prove its rejection of supply noise.

源语言	英语
页（从-至）	277-285
页数	9
期刊	Analog Integrated Circuits and Signal Processing
卷	93
期	2
DOI	https://doi.org/10.1007/s10470-017-1039-7
出版状态	已出版 - 1 11月 2017
已对外发布	是

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abstract = "The causes of supply induced noise are investigated and a circuit technique that reduces the supply sensitivity of CML ring oscillator is presented. This technique applies a current bias circuit with negative supply sensitivity to compensate the intrinsic positive sensitivity of VCO and alleviate the impact of supply voltage fluctuation. A prototype chip is fabricated in a 180 nm CMOS process to prove its rejection of supply noise.",

keywords = "CML ring oscillator, Low supply sensitivity, Open loop compensation, Supply noise rejection",

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AU - Wang, Ziqian

AU - Bai, Xuefei

AU - Diao, Shengxi

AU - Lin, Fujiang

PY - 2017/11/1

Y1 - 2017/11/1

N2 - The causes of supply induced noise are investigated and a circuit technique that reduces the supply sensitivity of CML ring oscillator is presented. This technique applies a current bias circuit with negative supply sensitivity to compensate the intrinsic positive sensitivity of VCO and alleviate the impact of supply voltage fluctuation. A prototype chip is fabricated in a 180 nm CMOS process to prove its rejection of supply noise.

AB - The causes of supply induced noise are investigated and a circuit technique that reduces the supply sensitivity of CML ring oscillator is presented. This technique applies a current bias circuit with negative supply sensitivity to compensate the intrinsic positive sensitivity of VCO and alleviate the impact of supply voltage fluctuation. A prototype chip is fabricated in a 180 nm CMOS process to prove its rejection of supply noise.

KW - CML ring oscillator

KW - Low supply sensitivity

KW - Open loop compensation

KW - Supply noise rejection

UR - https://www.scopus.com/pages/publications/85029009190

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DO - 10.1007/s10470-017-1039-7

M3 - 文章

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An open loop compensation technique for reducing supply sensitivity of CML ring oscillator

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