减小SCF电容分散比的拓扑变更方法
TOPOLOGICAL METHODS FOR DESIGNING SCFs WITH REDUCED CAPACITOR SPREAD
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摘要: 本文研究了减小开关电容滤波器(SCF)电容分散比的原理,提出了两个变更拓扑方法,并给出了这两类算法实现的例子。Abstract: Basic theory of designing SCPs with less capactor spread is studied. Two topologial methods for reducing capacitor spread of SCFs are presented. Realizations of those methods are also proposed.
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Fleisher P E. Laker K R. Bell Sys. Tech. J. 1979. 58(2): 2235-2269.[2]Sanchez-Sinencio F, et al. Computer-Aided Program for Reduction of Total Capacitance in Cascade SC Filters. Proc. of the 30th Midwest Symposium on Circuits Systems. Philadel-phia, US.A: 1987, 597-599.[3]Ananda Mohan P V, et al. Multiple Feedback Biquadratic Switched-Capacitor Filters. Proc. of 25th Midwest Symposium on CAS, Michgan, USA:1982, 435-439.[4]Bermude J C M, Bhattacharyya B B. Total Capacitance and Spread Minimization is Stray Inaensitive SC Biquads. Proc. of the 30th Miduwest Symposium on CAS, Philadelphia, USA:1987,600-630.[5]吴杰.电子学报,1990,18(4):127-128.[6]Wu Jie. lnt[J].J. Electron.1991, 70(1):135-138 -
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