Design of 10 GHz eight-phase voltage controlled oscillator in 90nm CMOS

被引：0
|
作者：
CHEN Ying-mei [1 ]
WANG Hui [1 ]
YAN Shuang-chao [1 ]
ZHANG Li [1 ]
LI Wei [1 ]
机构：
[1] Institute of Radio Frequency and Optical Electronic Integrated Circuits,Southeast University
来源：
The Journal of China Universities of Posts and Telecommunications | 2012年 / 06期
基金：
国家高技术研究发展计划(863计划); 中国国家自然科学基金;
关键词：
VCO; eight-phase; LC ring oscillator; CL ladder filtering;
D O I：
暂无
中图分类号：
TN752 [振荡器];
学科分类号：
080904 ;
摘要：
A novel 10 GHz eight-phase voltage-controlled oscillator(VCO) architecture applied in clock and data recovery(CDR) circuit for 40 Gbit/s optical communications system is proposed.Compared with the traditional eight-phase oscillator,a new ring CL ladder filter structure with four inductors is proposed.The VCO is designed and fabricated in IBM 90nm complementary metal-oxide-semiconductor transistor(CMOS) technology.Measurement results show the tuning range is 9.2 GHz～11.0 GHz and the phase noise of-108.85 dBc/Hz at 1 MHz offset from the carrier frequency of 10 GHz.The chip area of VCO is 500 μm× 685 μm and the power dissipation is 17.4 mW with the 1.2 V supply voltage.
引用
收藏
页码：113 / 117
页数：5
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