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一种改进的CMOS差分LC压控振荡器 被引量:1

An Improved Design of Differential LC Voltage Controlled Oscillators Based on CMOS Technology
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摘要 介绍了一种改进的LC振荡器设计方法.谐振回路采用非对称电容结构,与常见的振荡器结构相比,经改进后的电路结构可以获得更好的相位噪声.基于0.35μmCMOS工艺,设计了一种采用补偿Colpitts振荡器电路结构实现的差分LC压控振荡器,工作电压为2.5V.经仿真证明,在设计中通过调整非对称电容谐振回路中的电容值,可以获得最优的相位噪声. This paper introduces the design method of LC oscillators with an asymmetric capacitance tank structure. Better phase noise performance than the conventional differential LC oscillator is achieved. In this way, a complementary-Colpitts differential voltage controlled oscillator(VCO) is designed based on 0.35μm CMOS technology with a 2.5V supply. Simulation results show that the best phase noise is obtained by adjusting the capacitance of the asymmetric capacitance tank structure.
出处 《Journal of Semiconductors》 EI CAS CSCD 北大核心 2005年第10期2006-2009,共4页 半导体学报(英文版)
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共引文献12

同被引文献8

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  • 6李智群,赵晟.应用于WSN的0.5V 4.8GHz CMOS LC VCO设计[J].解放军理工大学学报(自然科学版),2012,13(6):611-614. 被引量:1
  • 7周孟龙,张万荣,谢红云,金冬月,丁春宝,高栋,张卿远,鲁东,霍文娟.负阻补偿型CMOS高Q值超宽带可调谐有源电感[J].微电子学,2013,43(6):751-755. 被引量:1
  • 8戴惜时.一种高性能宽带LCVCO的设计[J].微电子学,2014,44(1):47-50. 被引量:4

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