低功耗通用升压差动科尔匹压控振荡器

2011 IEEE International SOC Conference Pub Date : 2011-11-21 DOI:10.1109/SOCC.2011.6085109

Yi-Pei Su, Wei-Yi Hu, Jia-Wei Lin, Yun-Chung Chen, S. Sezer, Sao-Jie Chen

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引用次数: 8

摘要

提出了一种基于电流复用技术的低功耗差分柯氏压控振荡器(VCO)。利用所提出的gm增强和电流复用技术，降低了压控振荡器的功耗。此外，Colpitts压控振荡器优越的循环平稳噪声特性可用于改善相位噪声。该VCO采用0.18µm CMOS 1P6M工艺实现。核心VCO在1V供电时仅耗散1.05 mW。在5.255 GHz时，测量结果显示在1mhz偏移时相位噪声为- 117.62 dBc/Hz。

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Low power Gm-boosted differential Colpitts VCO

A Low power gm-boosted differential Colpitts voltage-controlled oscillator (VCO) using current-reused technique is presented. With the proposed gm-boosted and current-reused technique, the power consumption of the VCO is decreased. In addition, the superior cyclostationary noise property of the Colpitts VCO can be used to improve the phase noise. The proposed VCO is implemented in 0.18µm CMOS 1P6M process. The core VCO only dissipates 1.05 mW with 1V supply. At 5.255 GHz, the measurements show −117.62 dBc/Hz phase noise at 1 MHz offset.

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2011 IEEE International SOC Conference

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