具有最佳相位噪声性能的2.3GHz LC-tank CMOS压控振荡器

2006 IEEE International Solid State Circuits Conference - Digest of Technical Papers Pub Date : 2006-09-18 DOI:10.1109/ISSCC.2006.1696108

P. Andreani, A. Fard

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引用次数: 28

摘要

介绍了一种双开关对差分CMOS LC-tank压控振荡器的相位噪声原理和设计方法。导出了1/f2区域可实现的最小相位噪声的公式。2.15至2.35GHz 0.3mum CMOS VCO在3MHz偏移时相位噪声为-143.9dBc/Hz，并从2.5V电源吸取4mA

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A 2.3GHz LC-tank CMOS VCO with optimal phase noise performance

The phase-noise theory and design of a differential CMOS LC-tank VCO with double switch pair is presented. A formula for the minimum achievable phase noise in the 1/f2 region is derived. The 2.15 to 2.35GHz 0.3mum CMOS VCO has a phase noise of -143.9dBc/Hz at 3MHz offset and draws 4mA from a 2.5V supply

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2006 IEEE International Solid State Circuits Conference - Digest of Technical Papers

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