Analysis and Design of a Wide-Tuning-Range VCO With Quadrature Outputs

被引：24

作者：

Lee, Shuenn-Yuh ^{[1
]}

Chen, Ching-Yi ^{[1
]}

机构：

[1] Natl Chung Cheng Univ, Dept Elect Engn, Chiayi, Taiwan

来源：

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS | 2008年 / 55卷 / 12期

关键词：

Quadrature; voltage-controlled oscillator; wide-tuning-range;

D O I：

10.1109/TCSII.2008.2008054

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：

A quadrature voltage-controlled oscillator (QVCO) with a wide tuning range is proposed and implemented in the TSMC 0.18-mu m CMOS process. The said QVCO uses a cross-coupled structure and a current-reuse technology to produce the quadrature signal and to save power consumption and area, respectively. Based on our measurement, the phase noise with 1-MHz offset from the carrier frequency of 3.6 GHz is -114 dBc/Hz and the proposed QVCO has a wide-band tuning range of 3.6-4.9 GHz. Also, the maximal phase error and power imbalance are less than 5 degrees and 1.5 dB, respectively, and the power consumption is 8 mW at 2-V power supply voltage.

引用

页码：1209 / 1213

页数：5

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