Capacitively averaged multi-phase LC oscillators

被引:0
|
作者
Park, J [1 ]
Flynn, MP [1 ]
机构
[1] Univ Michigan, Ann Arbor, MI 48109 USA
关键词
D O I
暂无
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
This paper addresses the improvement of phase noise and phase accuracy in coupled rings of LC oscillators. A new method incorporating coupling both with capacitors and transistors is presented. A number of 4 GHz, coupled, three stage LC oscillator rings were fabricated in 0.18 mu m CMOS. The measured rms jitter and phase noise of a capacitively averaged ring are 1.183ps, and -133.67dBc/Hz at 1MHz offset, respectively.
引用
收藏
页码:2651 / 2654
页数:4
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