NDLI: Noise properties of CMOS current conveyors

Content Provider	IEEE Xplore Digital Library
Author	Bruun, E.
Copyright Year	1996
Description	Author affiliation: Dept. of Inf. Technol., Tech. Univ., Lyngby, Denmark (Bruun, E.)
Abstract	The definition of the current conveyor is presented and it is shown how different generations of current conveyors can all be combined into a single definition of a multiple-output second generation current conveyor (CCII). Next, noise sources are introduced into the model, and a general noise model for the current conveyor is established. This model is used for the analysis of selected examples of current conveyor based operational amplifier configurations and the relative merits with respect to the noise performance of these configurations are discussed. Finally, the noise model is developed for a CMOS current conveyor implementation, and optimization strategies for noise reduction are discussed. It is concluded that a class AB implementation provides more flexibility than does a class A configuration. In both cases it is essential to design low noise current mirrors and current sources, and with the class AB design the current mirror and current source noise can be reduced by using small values of bias current without compromising the maximum available output current.
Starting Page	144
Ending Page	147
File Size	386524
Page Count	4
File Format	PDF
ISBN	0780330730
DOI	10.1109/ISCAS.1996.539829
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1996-05-15
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Voltage Semiconductor device modeling Noise reduction Performance analysis Signal processing Information technology Electronic mail Operational amplifiers Mirrors Noise generators
Content Type	Text
Resource Type	Article

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