Electromagnetic interference (EMI) of system-on-package (SOP)

Toshio Sudo, Hideki Sasaki, Norio Masuda, James L. Drewniak

Research output: Contribution to journalArticle

137 Citations (Scopus)

Abstract

Electromagnetic interference (EMI) issues are expected to be crucial for next-generation system-on-package (SOP) integrated high-performance digital LSIs and for radio frequency (RF) and analog circuits. Ordinarily in SOPs, high-performance digital LSIs are sources of EMI, while RF and analog circuits are affected by EMI (victims). This paper describes the following aspects of EMI in SOPs: 1) die/package-level EMI; 2) substrate-level EMI; 3) electromagnetic modeling and simulation; and 4) near electromagnetic field measurement. First, LSI designs are discussed with regard to radiated emission. The signal-return path loop and switching current in the power/ground line are inherent sources of EMI. The EMI of substrate, which work as coupling paths or unwanted antennas, is described. Maintaining the return current path is an important aspect of substrate design for suppressing EMI and for maintaining signal integrity (SI). In addition, isolating and suppressing the resonance of the DC power bus in a substrate is another important design aspect for EMI and for power integrity (PI). Various electromagnetic simulation methodologies are introduced as indispensable design tools for achieving high-performance SOPs without EMI problems. Measurement techniques for near electric and magnetic fields are explained, as they are necessary to confirm the appropriateness of designs and to investigate the causes of EMI problems. This paper is expected to be useful in the design and development of SOPs that take EMI into consideration.

Original languageEnglish
Pages (from-to)304-314
Number of pages11
JournalIEEE Transactions on Advanced Packaging
Volume27
Issue number2
DOIs
Publication statusPublished - 2004 May

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Signal interference
Analog circuits
Substrates
System-on-package
Electromagnetic field measurement
Electric fields
Antennas
Magnetic fields

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Industrial and Manufacturing Engineering
  • Materials Science(all)

Cite this

Electromagnetic interference (EMI) of system-on-package (SOP). / Sudo, Toshio; Sasaki, Hideki; Masuda, Norio; Drewniak, James L.

In: IEEE Transactions on Advanced Packaging, Vol. 27, No. 2, 05.2004, p. 304-314.

Research output: Contribution to journalArticle

Sudo, Toshio ; Sasaki, Hideki ; Masuda, Norio ; Drewniak, James L. / Electromagnetic interference (EMI) of system-on-package (SOP). In: IEEE Transactions on Advanced Packaging. 2004 ; Vol. 27, No. 2. pp. 304-314.
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