摘要
提出了一个电流传输级联跨导放大器(CCCTA),并基于此器件设计了一种具有高带外抑制性能的电流模式n阶多功能滤波器。该滤波器仅使用1个CCCTA和n个接地电容,可同时实现高通、低通、带通、带阻以及全通滤波功能。电路具有结构简单、功耗低、抗干扰能力强、容易集成等优点。PSPICE仿真和瞬态测试结果验证表明,所设计的电路与理论分析相吻合。
A novel current conveyor cascaded transconductance amplifier（ CCCTA） was designed. Based on this active block,a high out-band rejection current mode nth-order multifunction filter was proposed. The filter with only one CCCTA and n grounded capacitors can simultaneously realize all the standard filter functions,namely high-pass（ HP）,low-pass（ LP）,band-pass（ BP）,band-stop（ BS） and all-pass（ AP）. Moreover,the provided filter enjoys the features of simple circuit structure,low power supply,strong anti-interference ability and easy integration. PSPICE simulation and transient test results have been included to verify the theoretical analysis.
作者
王春霞
司国斌
郭亚涛
王向杰
WANG Chunxia;SI Guobin;GUO Yatao;WANG Xiangjie(Mechanical and Electrical Engineering, Jiaozuo University, Jiaozuo He＇nan 454003, China;State Grid Corporation of China, Jiaozuo He＇nan 454003, China;School of Mechanic and Electric Engineering, Hubei Polytechnic University, Huangshi 435003, China)
出处
《电子器件》
CAS
北大核心
2018年第3期662-666,共5页
Chinese Journal of Electron Devices
基金
河南省科技攻关项目(152102210204
152102210020)
关键词
滤波器
带外抑制
电流传输级联跨导放大器(CCCTA)
模拟集成电路
nth-order filter
out-band rejection
current conveyor cascaded transconductance amplifier （CCCTA）
analog integrated circuit
