Phase-error reduction technique for quadrature ring oscillators

被引：2
|
作者：
Yoshizaki, K [1 ]
Takagi, S [1 ]
Fujii, N [1 ]
机构：
[1] Tokyo Inst Technol, Dept Commun & Integrated Syst, Tokyo, Japan
来源：
PROCEEDINGS OF THE 2005 EUROPEAN CONFERENCE ON CIRCUIT THEORY AND DESIGN, VOL 3 | 2005年
关键词：
D O I：
10.1109/PERCOMW.2005.26
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 proposes a quadrature ring oscillator with small phase error. The proposed technique uses two feedback loops. One of the loops calibrates phase error of two outputs while the other keeps the oscillation frequency constant. The power consumption and chip area will be reduced by the proposed technique because an additional variable delay cell is not necessary for the proposed oscillator. Effectiveness of the proposed circuit is confirmed through simulation results.
引用
收藏
页码：189 / 192
页数：4
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