Characterizing a Device's susceptibility to broadband signals: A case study

Published

August 4, 2014

Author(s)

Jason B. Coder, John M. Ladbury, David Hunter

Abstract

It is common for electronic devices to be tested for their susceptibility to radiated signals they may be exposed to during their normal operation. A reverberation chamber is well suited to perform this type of testing because it can expose the device under test to a radiated signal from all polarization and incidence angles. Testing devices by radiating them with a narrow-band or CW signal has been well documented. However, with the increase in broadband communication signals, device manufacturers and users are becoming more interested in the device’s performance when exposed to a broadband signal. In this case study, measurements of cable television/telecommunications equipment (e.g. set top boxes, modems) are used to examine the potential for interference from 4G/LTE signals. We show that several difficulties arise when testing with broadband signals, particularly when measuring the incident electric field. We also examine how different device configurations (i.e., cabling and/or the use of splitters) can induce a significant change in device performance.

Proceedings Title

Proceedings of the 2014 IEEE International Symposium on Electromagnetic Compatibility

Conference Dates

August 3-8, 2014

Conference Location

Raleigh, NC

Conference Title

2014 IEEE International Symposium on Electromagnetic Compatibility

Pub Type

Conferences

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DOI Link

Keywords

N/A

Citation

Coder, J. , Ladbury, J. and Hunter, D. (2014), Characterizing a Device's susceptibility to broadband signals: A case study, Proceedings of the 2014 IEEE International Symposium on Electromagnetic Compatibility, Raleigh, NC, [online], https://doi.org/10.1109/ISEMC.2014.6898987 (Accessed April 25, 2024)