LC-TANK INJECTION-LOCKED FREQUENCY DIVIDER WITH VARIABLE DIVISION RATIO

被引：5
|
作者：
Jang, S. -L. [1 ]
Liu, C. -C. [1 ]
Hsue, Ching-Wen [1 ]
机构：
[1] Natl Taiwan Univ Sci & Technol, Dept Elect Engn, Taipei 106, Taiwan
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2008年 / 50卷 / 12期
关键词：
multimodulus injection-locked frequency divider; CMOS; LC-tank; inductor; mixer; locking range;
D O I：
10.1002/mop.23928
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：
In this study, a multimodulus CMOS injection-locked frequency divider (ILFD) fabricated in a 0.18-mu m CMOS process is designed and the operation principle of the ILFD is described, which was realized using a cross-coupled PMOS LC-tank oscillator as the load of a double-balanced NMOS Gilbert mixer. The stacked structure allows entire mixer current to be reused by the VCO cross-coupled pair. At the supply voltage of 1.8 V, the free-running frequency is from 2.31 to 2.65 GHz. Division ratio of 2, 3, 4, and 6 can be found in the ILFD function, and the ILFD can also function as a first-harmonic injection-locked oscillator. At the incident power of 0 dBm, the locking range in the divided by 2 mode is from the incident frequency 3.4 to 6.4 GHz. (c) 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 3232-3236, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23928
引用
收藏
页码：3232 / 3236
页数：5
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