| 超低功耗低相位噪声CMOS LC-VCO的设计与实现 |
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| 引用本文： | 吴秀山,王志功,李智群,夏峻,李青.超低功耗低相位噪声CMOS LC-VCO的设计与实现[J].半导体学报,2010,31(8):085007-4. |
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| 作者姓名： | 吴秀山 王志功 李智群 夏峻 李青 |
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| 作者单位： | [1]College of Electrical ＆ Mechanical Engineering, China Jiliang University, Hangzhou 310018, China [2]Institute of RF- ＆ OE-ICs, Southeast University, Nanjing 210096, China [3]Key Laboratory of ASIC Design of Jiangsu Province, Nantong University, Nantong 226007, China |
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| 基金项目： | 国家自然科学基金(No.60772008) |
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| 摘 要： | 设计了一种全集成交叉耦合变压器反馈的LC压控振荡器（LC-VCO），该VCO即使在电源电压低于阈值电压的情况下实现了低相位噪声和超低功率消耗。该超低功耗的VCO采用SMIC 0.18um 数模混合&RF 1P6M CMOS工艺进行了流片验证。测试结果表明：电路在0.4 V电源供电和工作频率为2.433 GHz时，相位噪声为-125.3 dBc/Hz@1MHz，核心直流功耗仅为640uW。芯片的工作频率为2.28-2.48 GHz，调谐范围为200 MHz (8.7%)，电路的优值为-195.7dB。该VCO完全可以满足IEEE 802.11b接收机的应用要求。
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| 关 键 词： | 超低功耗设计 CMOS技术 低相位噪声 LC谐振 VCO 电压控制振荡器 压控振荡器 交叉耦合 |
| 收稿时间： | 7/26/2009 5:24:43 PM |
| 修稿时间： | 4/10/2010 1:04:55 PM |
Design and realization of an ultra-low-power low-phase-noise CMOS LC-VCO |
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| Wu Xiushan,Wang Zhigong,Li Zhiqun,Xia Jun and Li Qing.Design and realization of an ultra-low-power low-phase-noise CMOS LC-VCO[J].Chinese Journal of Semiconductors,2010,31(8):085007-4. |
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| Authors: | Wu Xiushan Wang Zhigong Li Zhiqun Xia Jun and Li Qing |
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| Affiliation: | College of Electrical & Mechanical Engineering, China Jiliang University, Hangzhou 310018, China;Institute of RF- & OE-ICs, Southeast University, Nanjing 210096, China;Institute of RF- & OE-ICs, Southeast University, Nanjing 210096, China;Key Laboratory of ASIC Design of Jiangsu Province, Nantong University, Nantong 226007, China;College of Electrical & Mechanical Engineering, China Jiliang University, Hangzhou 310018, China |
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| Abstract: | |
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| Keywords: | low phase noise low-power transformer voltage-controlled oscillator feedback oindent |
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