n階傳輸函數(shù)的CC實(shí)現(xiàn)
REALIZATION OF n-TH-ORDER TRANSFER FUNCTIONS USING CURRENT CONVEYORS
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摘要: 本文提出了兩個(gè)基于積分器的通用CC網(wǎng)絡(luò)結(jié)構(gòu)。該結(jié)構(gòu)是在典型FLF結(jié)構(gòu)的基礎(chǔ)上增加輸入分布和輸出求和CC網(wǎng)絡(luò)生成的。適當(dāng)設(shè)置輸入分布和輸出求和CC網(wǎng)絡(luò)元件參數(shù),能實(shí)現(xiàn)任意高階傳輸函數(shù)。文中給出了系統(tǒng)的設(shè)計(jì)公式。
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關(guān)鍵詞:
- 電路理論和設(shè)計(jì); 有源濾波器; 第二代電流傳送器（CCII+/-）
Abstract: Two universal integrator-based CC (Current Conveyor) network configurations are presented. The architectures proposed are constructed using a canonical FLF (Follow-the-Leader Feedback) configuration with an input distribution and output summation CC network. By setting any particular input distributing and output summing passive element parameters,the arbitrary high- order transfer functions can be realized.General explicit design formulas are derived. It is also straightforward to obtain the universal filter architectures and the corresponding design formulas of any particular order. -
Palmisano G, Palumbo G. A simple CMOS CCII+. Int. J. Circuit Theory and Applications,[2]95,23(6): 599-603.[3]Chang C, Lee M S. Universal voltage-mode filter with three inputs and one output using three current conveyors and one voltage follower[J].Electronics Letters.1994, 30(25):2112-2113[4]Gunes E O, Anday F. Realization of current-mode low-pass filters using CFCCIIs[J].Electronics Letters.1995, 31(25):2161-2162[5]Wu J, Ei-Masry E. Currentmode ladder filters using multiple output current conveyors. IEE[6]Proc: G, 1996, 143(4): 218-222.[7]Anday F, Gunes E O. Realization of nth-order transfer functions using current conveyors. Int. J. Circuit Theory and Applications, 1992, 20(7), 693-695.[8]Kenneth R L, Rolf S, Mohammed S G. Multiple-loop feedback topologies for the design of low-sensitivity active filters. IEEE Trans. on CAS, 1979, 26(1):1-21.[9]Schaumann R, Ghausi M S, Laker K R. Design of Analog Filters: Passive, Active RC and Switched Capacitor, Englewood cliffs, NJ: Prentice-Hall, 1990, 23-67. -
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