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

^*Corresponding author for this work

University of Science and Technology of China

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

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.

Original language	English
Pages (from-to)	277-285
Number of pages	9
Journal	Analog Integrated Circuits and Signal Processing
Volume	93
Issue number	2
DOIs	https://doi.org/10.1007/s10470-017-1039-7
State	Published - 1 Nov 2017
Externally published	Yes

Keywords

CML ring oscillator
Low supply sensitivity
Open loop compensation
Supply noise rejection

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10.1007/s10470-017-1039-7

Cite this

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title = "An open loop compensation technique for reducing supply sensitivity of CML ring oscillator",

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

U2 - 10.1007/s10470-017-1039-7

DO - 10.1007/s10470-017-1039-7

M3 - 文章

AN - SCOPUS:85029009190

SN - 0925-1030

VL - 93

SP - 277

EP - 285

JO - Analog Integrated Circuits and Signal Processing

JF - Analog Integrated Circuits and Signal Processing

IS - 2

ER -

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

Abstract

Keywords

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