NDLI: Impediments to impedance and coupled noise: characteristic impedance design and coupled noise control on flexible circuits

Content Provider	IEEE Xplore Digital Library
Author	Doyle, M.S.
Copyright Year	2004
Description	Author affiliation: IBM Corp., Rochester, MN, USA (Doyle, M.S.)
Abstract	Signal integrity analysis is largely neglected in flexible circuit design. Referred to as "cables," ribbons or discrete connections, minimal, if any, analysis is typically performed. However, due to their ability to successfully address mechanical flexibility and cost constraints, flexible circuits have become increasingly appealing solutions for high-speed, controlled impedance interconnect. Design for signal integrity, characteristic impedance and attenuation control are critical to successfully placing flexible circuits in the highspeed market at GHz frequencies. This paper addresses the following: (1) mesh reference plane impedance prediction using solid plane techniques; (2) characteristic impedance variations caused by inconsistent orientation to reference planes; (3) uneven adhesive distribution in mesh reference constructs; (4) cross-talk resulting from signal-to-mesh orientation and dielectric separation; (5) material alternatives to lower dielectric loss in high-speed applications.
Starting Page	1788
Ending Page	1795
File Size	877673
Page Count	8
File Format	PDF
ISBN	0780383656
DOI	10.1109/ECTC.2004.1320361
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-06-04
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Impedance Coupling circuits Circuit noise Flexible printed circuits Dielectric losses Crosstalk Circuit analysis Signal analysis Circuit synthesis Cables
Content Type	Text
Resource Type	Article

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