UNSPECIFIED (1997) On design techniques for approximately linear phase recursive digital filters CIRCUITS AND SYSTEMS IN THE INFORMATION AGE. In: 1997 IEEE International Symposium on Circuits and Systems (ISCAS 97) - Circuits and Systems in the Information Age, JUN 09-12, 1997, HONG KONG, HONG KONG.

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Abstract

Digital filters made from a parallel combination of two allpass branches have been of considerable interest for more than a decade. The design of such filters can be viewed as a phase approximation problem. In this contribution, the behaviour of such filters is examined and several new design techniques are proposed which exploit the known relationships for the magnitude, phase and group delay. The motivation for this study is to explore these relationships more closely with a view to determining the link between various parameters such as filter order, passband and group delay ripple and stopband attenuation. An example is given which illustrates one of the design approaches taken.

Item Type:	Conference Item (UNSPECIFIED)
Subjects:	Q Science > QA Mathematics > QA76 Electronic computers. Computer science. Computer software T Technology > TS Manufactures T Technology > TK Electrical engineering. Electronics Nuclear engineering
Journal or Publication Title:	ISCAS '97 - PROCEEDINGS OF 1997 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOLS I - IV
Publisher:	I E E E
ISBN:	0-7803-3583-X
Date:	1997
Number of Pages:	4
Page Range:	pp. 2212-2215
Publication Status:	Published
Title of Event:	1997 IEEE International Symposium on Circuits and Systems (ISCAS 97) - Circuits and Systems in the Information Age
Location of Event:	HONG KONG, HONG KONG
Date(s) of Event:	JUN 09-12, 1997
URI:	http://wrap.warwick.ac.uk/id/eprint/17604

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