Reducing power bus impedance at resonance with lossy components

Author

Zeeff, Theodore M. ; Hubing, Todd H.

Author_Institution

Dept. of Electr. & Comput. Eng., Missouri Univ., Rolla, MO, USA

Volume

25

Issue

2

fYear

2002

fDate

5/1/2002 12:00:00 AM

Firstpage

307

Lastpage

310

Abstract

Power bus structures in printed circuit boards with solid power and ground planes exhibit resonances. When the power bus is resonant, the power bus impedance can increase dramatically. This paper explores the effect of component equivalent series resistance (ESR) on power bus resonances. General guidelines for selecting an optimum ESR are provided and are supported by laboratory measurements and numerical simulations.

Keywords

circuit resonance; electromagnetic coupling; electromagnetic interference; impedance matching; power supply circuits; printed circuit design; transmission line theory; component equivalent series resistance; electromagnetic interference; impedance reduction; lossy components; numerical simulations; power bus; power plane; printed circuit boards; resonances; transient voltage; transmission line grid; Capacitors; Circuit testing; Dielectric losses; Electromagnetic interference; Impedance; Integrated circuit modeling; Paramagnetic resonance; Power transmission lines; Printed circuits; Voltage;

fLanguage

English

Journal_Title

Advanced Packaging, IEEE Transactions on

Publisher

ieee

ISSN

1521-3323

Type

jour

DOI

10.1109/TADVP.2002.803259

Filename

1049644