NOVEL LINEAR TRANSFORMATION SWITCHED-CAPACITOR FILTER DESIGN

被引：0
|
作者：
高岩
王文煊
谷群山
机构：
[1] Department of Communication and Control Engineering Northern Jiaotong University
[2] Beijing
来源：
Journal of Electronics(China) | 1989年 / 01期
关键词：
Switched-capacitor filter; Linear transformation; Voltage control voltage source;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
This paper presents a novel method that is applied to realize the Linear Transformation(LT)Switched-Capacitor Filter(SCF).It adopts the Voltage Control Voltage Source(VCVS)equalized transfor-mation to revise the original LC ladder filter and induce it into 16 basic sections and then extend the princi-ple of the LT in order to fit active and 3 port networks and give out switched-capacitor circuits corre-sponding to the 16 basic sections,which can realize all four kinds of filters——LP,HP,BP,BS filters.De-signed examples are given here.An Nth order filter only requires N amplifiers and the circuit is insensitive toparasitic capacitances.The experimental results of a 3rd order elliptic LP and a 6th order elliptic BP are giv-en and agree with the theory.
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页码：19 / 33
页数：15
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