A complementary cross-coupled voltage-controlled oscillator using differential active inductor

被引：1

作者：

Jang, Sheng-Lyang ^{[1
]}

Chen, Meng-Hsin ^{[1
]}

Chang, Chia-Wei ^{[1
]}

Juang, Miin-Horng ^{[1
]}

机构：

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

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2012年 / 54卷 / 09期

关键词：

90nm CMOS; differential active inductor; phase noise; complementary cross-coupled VCO; varactor; FILTER;

D O I：

10.1002/mop.27030

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 letter presents a new differential active inductor voltage-controlled oscillator (VCO), which uses the complementary cross-coupled pairs to generate differential negative resistance. The active inductor is formed with complementary CMOS. The proposed CMOS low-phase noise VCO has been implemented with the United Manufacture Corp. (UMC) 90nm CMOS technology and the die area is 0.575 x 0.61 mm2. At the supply voltage of 0.9 V, the total power consumption is 4.5 mW. The free-running frequency of VCO is tunable from 1.22 to 1.86 GHz as the tuning voltage is varied from 0.0 to 0.9 V. The measured phase noise at 1MHz offset is -111.56 dBc/Hz at the oscillation frequency of 1.22 GHz and the figure of merit of the proposed VCO is about -166.75 dBc/Hz. (C) 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:2039-2042, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.27030

引用

页码：2039 / 2042

页数：4

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