Wide-Locking Range Dual-Band Injection-Locked Frequency Divider

被引：21

作者：

Jang, Sheng-Lyang ^{[1
]}

Wu, Zhi-Hong ^{[1
]}

Hsue, Ching-Wen ^{[1
]}

Teng, Heng-Fa ^{[1
]}

机构：

[1] Natl Taiwan Univ Sci & Technol, Dept Elect Engn, Taipei, Taiwan

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2013年 / 55卷 / 10期

关键词：

CMOS; dual-band; dual-resonance LC resonator; divide-by2; ILFD; locking range;

D O I：

10.1002/mop.27828

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 wide locking range divide-by-2 CMOS LC-tank injection locked frequency divider is proposed and is realized with two mixers in series and a cross-coupled oscillator with dual-resonance LC resonator to provide large output voltage swings at high-and low-frequency bands. The dual-band function can be obtained without switching. Measurement results show that at the supply voltage of 0.8 V, the free-running frequency is from 3.571 to 3.974 GHz for the high-frequency band and from 2.278 to 2.349 GHz for the low-frequency band. At V-tune = 1.2 V, an external injected signal power of 0 dBm provides a low-band divide-by-2 locking range (57.7%) from 2.87 to 5.2 GHz and a high-band locking range (25.7%) from 7.1 to 9.2 GHz. At V-tune = 0 V an external injected signal power of 0 dBm provides a high-band locking range (46.5%) from 5.6 to 9 GHz and a low-band locking range (25.0%) from 2.8 to 3.6 GHz. (C) 2013 Wiley Periodicals, Inc.

引用

页码：2333 / 2337

页数：5

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