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一种应用于无线通信的低电压低功耗Σ-D调制器的设计 被引量：3

Design of Low-Voltage Low-Power of Σ-D Modulator for Wireless Applications
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摘要 文章首先分析了低电压对于低功耗CMOSΣ-"调制器设计提出的挑战,使用了自顶向下的设计策略,利用Hspice和Simulink对开关电容放大器和开关电路非理想特性建模,通过Matlab优化低功耗结构的运算放大器电路参数,最后给出了系统仿真结果。仿真结果显示,使用0.18#m2p6mCMOS工艺设计的Σ-"调制器在1.5V低电源电压条件下,信号带宽为200KHz,峰值信噪比达到93.5dB,动态范围为96.3dB,满足了GSM/PCS1800/DCS1900等无线应用的要求。 The design of low-voltage low-power ∑-△ Analog-to-Digital converter for wireless communication is presented in this paper. Top-down methodology is used and described. The OTA proposed remarkably reduces the static power dissipation of the converter. Results of behavior simulation including OTA non-ideality verify that the modulator achieves 200 KHz signal bandwidth, peak SNR and dynamic range are 93.5 dB and 96.3 dB, which meets GSM/ PCS1800/DCS1900 applications.
作者 钱舜 宋飞 汪宁
机构地区 上海交通大学微电子学院
出处 《微电子学与计算机》 CSCD 北大核心 2006年第4期57-60,共4页 Microelectronics & Computer
关键词 ∑-△ 调制器 模数转换 低电压 低功耗 ∑-△, ModuLator, ADC, Low-voltage, Low-power
分类号 TN792 [电子电信—电路与系统]
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参考文献15

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同被引文献15

  • 1庄燕滨,是湘全,杨晓云.基于VHDL语言M序列密码系统设计的新方法[J].微电子学与计算机,2004,21(8):99-101. 被引量：3
  • 2郭先清,林凡,吴孙桃.三阶级联Sigma-Delta调制器设计[J].微电子学与计算机,2007,24(1):66-68. 被引量：6
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  • 5Yao Libin.Low power low-voltage sigma-delta modulators in nanometer CMOS[D].Belgium,Catholic University Leuven,2006.
  • 6Razavi B.Design of analog CMOS integrated circuits[M].Los Angeles,University of California,2002.
  • 7Rabii S.The design of low-voltage low-power ∑△ modulators[M].California:Stanford University,1999.
  • 8Roh J.High-gain class-AB OTA with low quiescent current[J].Springer Science Business Media,2006(3):225-228.
  • 9johns D,Martin K. Analog Interated Circuit Design[M].北京:机械工业出版社,2006.
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引证文献3

微电子学与计算机
2006年 第4期

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