Methods to reduce radiation from split ground planes in RF and mixed signal packaging structures

Tamir E. Moran; Kathleen L. Virga; Gerardo Aguirre; John L. Prince

doi:10.1109/TADVP.2002.805997

Methods to reduce radiation from split ground planes in RF and mixed signal packaging structures

Tamir E. Moran, Kathleen L. Virga, Gerardo Aguirre, John L. Prince

Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

Abstract

Split ground planes are sometimes used in RF and mixed signal packages in order to isolate the RF and analog circuits from the digital circuits. Undesired radiation in a packaging environment may occur when a signal trace is routed over a slot in the ground plane. This paper examines and investigates ways to eliminate signal coupling into split ground plane structures and assesses the impact of this reduced coupling on signal integrity in a packaging environment. Suggested methods to reduce coupling of energy into the slot are to alter the shape of the slot with RF chokes or corrugations.

Original language	English (US)
Pages (from-to)	409-416
Number of pages	8
Journal	IEEE Transactions on Advanced Packaging
Volume	25
Issue number	3
DOIs	https://doi.org/10.1109/TADVP.2002.805997
State	Published - Aug 1 2002

Keywords

Coupling
EMI
FDTD
Mixed signal packaging
Radiated emissions

ASJC Scopus subject areas

Electrical and Electronic Engineering

Access to Document

10.1109/TADVP.2002.805997

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abstract = "Split ground planes are sometimes used in RF and mixed signal packages in order to isolate the RF and analog circuits from the digital circuits. Undesired radiation in a packaging environment may occur when a signal trace is routed over a slot in the ground plane. This paper examines and investigates ways to eliminate signal coupling into split ground plane structures and assesses the impact of this reduced coupling on signal integrity in a packaging environment. Suggested methods to reduce coupling of energy into the slot are to alter the shape of the slot with RF chokes or corrugations.",

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