一种新型的宽线性范围差分电压输入电流传输器及其应用  

A New Wide Linear Range Differential Voltage Current Conveyor and its Application

作　　者：赵怡[1] 王卫东[1] 

机构地区：[1]桂林电子科技大学信息与通信学院,广西桂林541004

出　　处：《电子器件》2011年第2期179-183,共5页Chinese Journal of Electron Devices

基　　金：广西科学研究与技术开发计划项目(0731021)

摘　　要：设计了一种带有共模检测电路的宽线性范围差分电压输入电流传输器(DVCCⅡ)。所提出的电路具有动态的长尾电流的差分对,可获得较大的动态线性输入范围。所提出的电路可以得到精确跟随特性和宽线性输入范围,且比较已有电路具有低电压低功耗等特点。采用SMIC 0.18μm工艺,用Spectre对电路进行仿真,电源电压是1.8 V,功耗1.4 mW并且采用单个DVCCⅡ构成测量放大器和多功能滤波器。A novel CMOS differential voltage current conveyor based on a wide linear range transconductor with common mode detection was designed.The proposed circuit consists of long tail differential pair with dynamic tail current.The proposed DVCCⅡ has exact voltage following performance and wide range input voltage.The circuit has low voltage and low power than any other circuits.Using SMIC 0.18 μm CMOS technology the supply voltages is 0.9 V.It consumes the power of 1.4 mW.The novel DVCCⅡ is used to realize an instrumentation amplifier and a multifunction filter.

关 键 词：电流模式 差分电压电流传输器(DVCCⅡ) 跨导器 共模检测电路 测量放大器 多功能滤波器 

分 类 号：TN722.57[电子电信—电路与系统]