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一种前馈型全摆幅恒跨导准恒增益CMOS运放设计 被引量：2

Design of Rail-to-rail Constant Conductance and Approximate Constant-gain Input Stage of Operational Amplifiers
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摘要 设计了一种适合在低电源电压下工作的前馈型输入级放大结构,在全摆幅的动态工作范围内,输入级跨导保持不变,采用负载电流补偿以保证增益近似恒定,输出采用前馈型AB类输结构,实现全摆幅输出。 A new kind of feedforward input stage for low voltage Amplify is presented. The conductance gm is kept unchanged within the dynamic range from rail to rail. The gain is also approximately maintained constant. Feed-forward class AB output structure is adopted to guarantee full rail-to-rail performance.
作者 吴金 周震
机构地区 东南大学微电子中心
出处 《电路与系统学报》 CSCD 2004年第3期69-71,79,共4页 Journal of Circuits and Systems
关键词 运放 恒跨导 准恒增益 全摆幅 operational amplifier constant-gm approximate constant-gain rail-to-rail
分类号 TN43 [电子电信—微电子学与固体电子学]
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参考文献3

  • 1Botma J H, Wassenaar R F, Wiegerink R J. A low-voltage CMOS op amp with a rail-to-rail constant-gm input stage and a class AB rail-to-rail output stage [A]. Proceedings of the IEEE International Symposium on Circuits and Systems[C]. 1993, 1314-1317.
  • 2Renirie W C M, De Langen K J, Hijsing J H. Parallel Feedforward Class-AB Control Circuit for Low-Voltage Bipolar Rail-to-Rail Output Stage of Operational Amplifier [J]. Analog Integrated Circuit and Signal Processing, 1995, 8: 37-48.
  • 3周震,吴金,杨廉峰,常昌远,魏同立.一种3VCMOS恒跨导运算放大器的设计[J].微电子学,2002,32(1):58-61. 被引量：2

二级参考文献1

  • 1Ron Hogervorst,Remco J. Wiegerink,Peter A. L. Jong,Jeroen Fonderie,Roelof F. Wassenaar,Johan H. Huijsing. CMOS low-voltage operational amplifiers with constant-gm rail-to-rail input stage[J] 1994,Analog Integrated Circuits and Signal Processing(2):135～146

共引文献1

同被引文献10

  • 1Wise K D,Sodagar A M,Yao Y,et al.Microelectro-des,microelectronics,and implantable neural microsystems[J].Proceedings of the IEEE,2008,96 (7):1184 -1202.
  • 2Fuentes Romulo,Petersson Per,Siesser William B.Spinal cord stimulation restores locomotion in animal models of Parkinson' s disease[J].Science,2009,323 (5921):1578-1582.
  • 3Eversmann B,Jenkner M,Hofmann F,et al.A 128 x 128 CMOS biosensor array for extracellular recording of neural activity[J].IEEE J Solid-State Circuits,2003,38(12):2306-2317.
  • 4王志功,顾晓松,吕晓迎.电子系统辅助神经信道功能恢复方法及其装置:中国,ZL 200510135541.6[P].2008.
  • 5Nielsen J H,Lehmann T.An implantable CMOS amplifier for nerve signals[C] //The %th IEEE International Conference on Electronics,Circuits and Systems.Gyeo-nggi-do,Korea,2001,3:1183-1186.
  • 6Vehkaoja A,Lekkala J.Wearable wireless biopotential measurement device[C] //26th Annual International Conference of the IEEE Engineering in Medicine and Biology Society.San Francisco,CA,USA,2004,1:2177 -2179.
  • 7Wang Y F,Wang Z G.A single-chip and low-power CMOS amplifier for neural signal detection[J].Chinese Journal of Semiconductors,2006,27(8):1490-1495.
  • 8Harrison R R,Charles C.A low-power low-noise CMOS amplifier for neural recording application[J].IEEE J Solid-State Circuits,2003,38(6):958 -965.
  • 9Zarifi M H,Frounchi J,Farshchi S,et al.A low-power,low-noise neural-signal amplifier circuit in 90-nm CMOS[C] //30th Annual International IEEE EMBS Conference.Vancouver,British Columbia,Canada,2008:2389-2392.
  • 10毛晓轶,李文渊,王志功.电压激励神经信号重建微电子系统[J].电子器件,2008,31(2):484-487. 被引量：1

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电路与系统学报
2004年 第3期

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