[1]唐欣,黄风义,唐旭升,等.应用于IMT-A和UWB系统的双频段开关电流源压控振荡器设计[J].东南大学学报(自然科学版),2013,43(3):473-477.[doi:10.3969/j.issn.1001-0505.2013.03.005]
 Tang Xin,Huang Fengyi,Tang Xusheng,et al.Dual-band VCO using switched current source for IMT-advanced and UWB applications[J].Journal of Southeast University (Natural Science Edition),2013,43(3):473-477.[doi:10.3969/j.issn.1001-0505.2013.03.005]
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应用于IMT-A和UWB系统的双频段开关电流源压控振荡器设计()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
43
期数:
2013年第3期
页码:
473-477
栏目:
电子科学与工程
出版日期:
2013-05-20

文章信息/Info

Title:
Dual-band VCO using switched current source for IMT-advanced and UWB applications
作者:
唐欣黄风义唐旭升邵明驰
东南大学射频与光电集成电路研究所, 南京 210096
Author(s):
Tang Xin Huang Fengyi Tang Xusheng Shao Mingchi
Institute of RF- & OE-ICs, Southeast University, Nanjing 210096, China
关键词:
压控振荡器(VCO) CMOS IMT-advanced UWB 相位噪声
Keywords:
VCO(voltage controlled oscillator) CMOS(complementary metal oxide semiconductor) IMT(international mobile telecommunication)-advanced UWB(ultra wideband) phase noise
分类号:
TN753.5
DOI:
10.3969/j.issn.1001-0505.2013.03.005
摘要:
采用TSMC 0.13μm CMOS工艺设计了一款宽带电感电容压控振荡器(LC-VCO).LC-VCO采用互补型负阻结构,输出信号对称性较好,可以获得更好的相位噪声性能.为达到宽的调谐范围,核心电路采用4bit可重构的开关电容调谐阵列以降低调谐电路增益,并使用可变电容在每段开关电容子频带上实现调谐.此外,压控振荡器的设计采用了开关电流源、开关交叉耦合对和噪声滤波等技术,以优化电路的相位噪声、功耗、振荡幅度等性能.整个芯片(包括焊盘)面积为1.11mm×0.98 mm.测试结果表明,在1.2V电源电压下,UWB和IMT-A频段上压控振荡器所消耗的电流分别为3.0和5.6mA,压控振荡器的调谐范围为3.86~5.28和3.14~3.88GHz.在振荡频率3.534和4.155GHz上,1MHz频偏处,压控振荡器的相位噪声分别为-122和-119dBc/Hz.
Abstract:
A wideband LC-VCO(voltage controlled oscillator)is presented based on TSMC(Taiwan Semiconductor Manufacturing Company)0.13μm CMOS(complementary metal oxide semiconductor)process. To improve the phase noise performance, the complementary negative resistance structure is used in LC-VCO design for making good symmetry on the output signal. Reconfigurable LC tank with 4 bit switch control is adopted in the core circuit design in order to achieve wide tuning range and decrease the tuning gain. The variable capacitor is used for frequency tuning over the sub-frequency band. The switched current source, cross-coupled pair and noise filtering technique are adopted in this VCO design to improve the performance of the phase noise, power consumption, and voltage amplitude. The size of the entire chip with pad is 1.11mm×0.98 mm. The test results show that the current dissipation of the VCO at UWB(ultra wideband)and IMT(international mobile telecommunication)-advanced band is 3.0 and 5.6mA in 1.2V supply. The tuning range of the designed VCO is 3.86 to 5.28 and 3.14 to 3.88GHz. The phase noise at 1MHz frequency offset and 3.534 and 4.155GHz oscillation frequency is -122 and -119dBc/Hz, respectively.

参考文献/References:

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备注/Memo

备注/Memo:
作者简介: 唐欣(1984—),男,博士生;黄风义(联系人),男,博士,教授,博士生导师,fyhuang@seu.edu.cn.
基金项目: 国家高技术研究发展计划(863计划)资助项目(2009AA01Z261)、国家自然科学基金重点资助项目(2009ZX03007,2012ZX03001).
引文格式: 唐欣,黄风义,唐旭升,等.应用于IMT-A和UWB系统的双频段开关电流源压控振荡器设计[J].东南大学学报:自然科学版,2013,43(3):473-477. [doi:10.3969/j.issn.1001-0505.2013.03.005]
更新日期/Last Update: 2013-05-20