Simplified analysis off arbitrary switched-capacitor networks
作者:
A.Cichocki,
R.Unbehauen,
期刊:
IEE Proceedings G (Electronic Circuits and Systems)
(IET Available online 1987)
卷期:
Volume 134,
issue 1
页码: 45-53
年代: 1987
DOI:10.1049/ip-g-1.1987.0007
出版商: IEE
数据来源: IET
摘要:
A general method is presented which allows a closed-form analysis of switchedcapacitor (SC) networks with several phases, arbitrary duty cycles and with nonideal operational amplifiers. The method is based on a new equivalent representation of SC networks in thezdomain and on flow-graph techniques. The equivalentz-domain representations of SC networks proposed in this paper are compatible with classical circuit-theory considerations, and they are simpler and require a smaller number of elements than the equivalent circuits previously proposed. The usefulness and efficiency of the method proposed is illustrated with some examples. Moreover, it is shown how to transform thez-domain SC networks into equivalent time-continuous (analogue) circuits to analyse them in the frequency and/or time domain by use of conventional general-purpose circuit simulation programs. A user-ready implementation on SPICE is also proposed.
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