HIGH-FREQUENCY LOW-POWER LC DIVIDE-BY-2/3 INJECTION-LOCKED FREQUENCY DIVIDER

被引：6
|
作者：
Miao, Y. N. [1 ]
Boon, C. C. [1 ]
Do, M. A. [1 ]
Yeo, K. S. [1 ]
Zhang, Y. X. [1 ]
机构：
[1] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2011年 / 53卷 / 02期
关键词：
CMOS; divide-by-2; divide-by-3; injection-locked frequency divider (ILFD); LC-tank oscillator;
D O I：
10.1002/mop.25694
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：
An LC divide-by-2/3 injection-locked frequency divider (ILFD) is described, where a pair of switched capacitors is used to select the division ratio between 2 and 3. The locking range analysis of the ILFD based on the gain and phase conditions is discussed. Based on the analysis, the optimized bias current in order to achieve the maximum locking range for the ILFD is obtained and is verified through measurement. The circuit was fabricated in a 0.18 mu m CMOS technology. The input frequency of the divide-by-2/3 ILFD is from 4.28 to 4.81 GHz with an input power of -0.5 dBm. The power consumption of the ILFD is 3.15 mW at 1.8 V supply voltage. (C) 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 53:337-340, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.25694
引用
收藏
页码：337 / 340
页数：4
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