Generation of Multifunction Switched Current Biquadratic Filters

Wu Jie

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Generation of Multifunction Switched Current Biquadratic Filters

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- Generation of Multifunction Switched Current Biquadratic Filters
- Acta Electronica Sinica Issue 7, (1994)
- 作者机构：
  
  湖南大学电气系
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN713.8
- Published：1994
- 稿件说明：
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[1]吴杰.多功能开关电流双二次滤波器生成[J].电子学报,1994(07):68-75.

Wu Jie. Generation of Multifunction Switched Current Biquadratic Filters[J]. Acta Electronica Sinica, 1994, (7).
[1]吴杰.多功能开关电流双二次滤波器生成[J].电子学报,1994(07):68-75. DOI：

Wu Jie. Generation of Multifunction Switched Current Biquadratic Filters[J]. Acta Electronica Sinica, 1994, (7). DOI：

摘要

文提出了一个具有差分输出的通用开关电流（ＳＩ）一阶积木块，并阐述了采用该积木块生成多功能ＳＩ滤波器的系统方法。以单放大器、两放大器和三放大器有源ＲＣ或ＳＣ网络为原型，系统地导出了一系列新的ＳＩ双二次结构，生成的所有ＳＩ电路均可在单一积木块上同时获得低通、高通和带通滤波功能，这些电路的灵敏度低，且为纯ＭＯＣ管结构，非常适合于数字ＣＭＯＳ工艺集成。

Abstract

A univeraal switched current（ST） building block with differential output is developed.Systematic methods of constructing biquadratic SI filters by using the proposed building block are presented.From a family of the single

two or three amplifier active RC or SC prototypes

we derive a new series of SI circuits can obtair lowpass

highpass and bandpass filtering functions on a single block.These circuits have low sensitiveties

and are pure transistor structures.Therefore

they are suitable for digital CMOS process.

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