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基于晶体管非理想特性的对数域积分器分析与改进 被引量：4

Analysis and improvement of log-domain integrators based on transistor nonidealities
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摘要 研究了由于双极型晶体管的非理想特性(如寄生发射极电阻RE和基极电阻RB、有限b值及Early效应(VA)等)使得跨导线性积分器特性发生偏移的机理。应用积分器误差函数导出了该积分器非理想特性方程,定量分析出晶体管非理想参数对积分器幅值和相位特性影响,给出了电子补偿的方法,并用PSpice进行了仿真,验证了理论分析结果。 The departure from ideal translinear integrator performance is studied due to transistor nonidealities, such as parasitic emitter and base resistances, finite beta and Early effect. The integrator deviation equations are derived with the error function of log-domain integrators. The effects of nonideal transistor parameters on the magnitude and phase of the integrator are analyzed in detail. The electronic compensation schemes are given. The theoretical results have been confirmed by means of PSpice simulations.
作者 蔡理 马西奎
机构地区 西安交通大学电气工程学院 空军工程大学工程学院
出处 《通信学报》 EI CSCD 北大核心 2003年第5期105-113,共9页 Journal on Communications
关键词 双极型晶体管 非理想特性 跨导线性积分器 误差函数 对数域积分器 电子补偿 translinear circuits log-domain integrator nonideality error function
分类号 TP342.25 [自动化与计算机技术—计算机系统结构]
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参考文献8

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同被引文献19

  • 1邹燕,冯丽爽,张春熹,刘军.锁定放大器在微弱光信号检测中的应用[J].电测与仪表,2005,42(11):15-17. 被引量：23
  • 2Mulder J, Serdijn W A, Woerd A C, et al. Dynamic translinear circuits-an overview[J]. Analog Integrated Circuits and Signal Processing, 2000, 22(2): 111-126.
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  • 6Punzenberger M, Enz C C. A 1.2 V low-power BiCMOS class AB log-domain filter[J]. IEEE J Solid-State Circuits, 1997, 32(12): 1 968-1 978.
  • 7Sánchez-Sinencio E, Andreou A G. Low-voltage/low-power integrated circuits and systems: low-voltage mixed-signal circuits[M]. New York: The Institute of Electrical and Electronic Engineers Inc, 1999.
  • 8Sánchez-Sinencio E, Andreou A G. Low-voltage/low-power integrated circuits and systems: low-voltage mixed-signal circuits. The Institute of Electrical and Electronic Engineers, Inc., New York, 1999.
  • 9Seevinck E. Companding current-mode integrator: A new circuit principle for continuous-time monolithic filters.Electron Lett., 1990, 26(24): 2046～2047.
  • 10Mulder J, Serdijn W A, Woerd A C, et al. Dynamic Translinear Circuits? An overview. Analog Integrated Circuits and Signal Processing. 2000. 22(2): 111～126.

引证文献4

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通信学报
2003年 第5期

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