文章基本信息

标题：A Current Mode Fifth Order Elliptic Filter Employing Current Differencing Transconductance Amplifier
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作者：Sunil Kr. Pandey ; Abhay P. Singh ; Manish Kumar 等
期刊名称：International Journal of Computer Science and Communication Networks
电子版ISSN：2249-5789
出版年度：2012
卷号：2
期号：2
页码：236-239
出版社：Technopark Publications
摘要：In this paper A new current mode(CM) Fifth order elliptic Filter using current differencing transconductance amplifier(CDTA) is presented. An elliptic filter also known as a Cauer Filter is a signal processing filter with equalized ripple (equiripple) behaviour in both the pass band and the stop band. The amount of ripple in each band is independently adjustable, and no other filter of equal order can have a faster transition in gain between the pass band and the stop band, for the given values of ripple (whether the ripple is equalized or not). Alternatively, one may give up the ability to independently adjust the pass band and stop band ripple.The circuit employes five CDTA and some passive components.CDTA is used especially for current mode analog signal processing. The active filters in CM have wider band width, simpler circuitery, greater linearity, wider dynamic range and lower power consumption as compared to their voltage mode counterparts.Because of these features ,the interest towards current mode has increased among many researchers.SPICE simulation results which utilizes the CMOS based CDTA model,are enclosed.
关键词：CDTA ;Current Mode signal processing; Elliptic Filter ; SPICE