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低功耗电荷泵可编程增益放大器的设计与实现 被引量：3

Design and Implementation of Low-Power Charge-Pump Programmable Gain Amplifier
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摘要 提出了一种低功耗电荷泵可编程增益放大器(PGA)电路模型。通过简单数学建模和VerilogA仿真,得出了一般自动增益控制电路(AGC)优化稳定时间的条件和简化模型,通过ADC、电荷泵,进一步简化电路,降低功耗,并实现数字控制功能。根据这种设计,采用TSMC0.18μm CMOS单层多晶硅6层金属工艺,实现了一个功耗电流为1mA、线性增益范围为60dB的电荷泵可编程增益放大器。 A circuit model of low-power programmable gain amplifier （PGA）was presented. By mathematic modeling and VerilogA simulation, optimized conditions and simplified model for settling time of conventional AGC were obtained. And digital controlling and low power dissipation of PGA were achieved by adopting ADC and charge-pump circuit. Based on the proposed design, a PGA with 1 mA current and 60 dB dynamic range of gain was implemented using TSMC＇s 0. 18 μm CMOS single-poly six-metal process.
作者 孟新 莫太山 马成炎
机构地区 中国科学院微电子研究所 杭州中科微电子有限公司
出处 《微电子学》 CAS CSCD 北大核心 2008年第5期752-756,共5页 Microelectronics
基金 国家863计划重大科技专项资助项目(2007AA12Z344)
关键词 可编程增益放大器 自动增益控制电路 可变增益放大器 电荷泵 模数转换器 Programmable gain amplifier AGC Variable gain amplifier Charge-pump A/D converter
分类号 TN722 [电子电信—电路与系统] TN432 [电子电信—微电子学与固体电子学]
  • 相关文献

参考文献12

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二级参考文献46

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共引文献72

同被引文献29

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引证文献3

二级引证文献5

微电子学
2008年 第5期

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