Characterizations of FPGA chip electromagnetic emissions based on GTEM cell measurements

Chua, King Lee and Mohd Jenu, Mohd Zarar and Fong, Chee Seong and Ying, See Hour (2012) Characterizations of FPGA chip electromagnetic emissions based on GTEM cell measurements. In: Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC 2012), 21-24 May 2012, Singapore.

[img]
Preview
PDF
414Kb

Abstract

Miniaturized, dense integration and high operating frequencies of FPGAs are factors contributing to electromagnetic emissions. Consequently the radiation issue that used to be discussed at PCB level has shifted to component level. Thus it is of interest and challenging to investigate chip electromagnetic performance. GTEM cell is widely accepted to characterize chip emission and the common measurement practice is mounting the device under test at the GTEM cell body. This paper presents an alternative approach to measure electromagnetic emissions by locating the entire FPGA test board inside the GTEM cell instead of mounting it at the wall of the cell. Before measurements, the FPGA board is properly shielded with metallic enclosure to avoid unintentional contribution from supporting components on the board. During measurements, the shielded FPGA board is arranged in horizontal or vertical positions and for each position the FPGA chip is configured with two different logic circuits. The results have shown a significant impact of FPGA chip positions and IO pins on the electromagnetic emissions.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:TEM cells; electromagnetic shielding; electromagnetic wave propagation; field programmable gate arrays; integrated circuit testing; printed circuit testing
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK7800-8360 Electronics
Divisions:Faculty of Electrical and Electronic Engineering > Department of Computer Engineering
ID Code:6120
Deposited By:Normajihan Abd. Rahman
Deposited On:15 Feb 2015 15:45
Last Modified:15 Feb 2015 15:45

Repository Staff Only: item control page