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RF wave visions for circuit analyses and diagnoses by live electrooptic imaging camera

Published online by Cambridge University Press:  01 July 2010

Masahiro Tsuchiya  and
Takahiro Shiozawa
Masahiro Tsuchiya*
Affiliation:
National Institute of Information and Communications Technology, 4-2-1 Nukui-Kitamachi, Koganei, Tokyo 184-8795, Japan.
Takahiro Shiozawa
Affiliation:
Kagawa National College of Technology, 551 Kohda, Takuma, Mitoyo, Kagawa 769-1192, Japan.
*
Corresponding author: M. Tsuchiya Email: mtsu@nict.go.jp
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Abstract

A novel scheme involving experimental analyses and diagnoses is presented for monitoring radio-frequency (RF) and high-speed circuits. A live electrooptic imaging (LEI) camera is used in the scheme and it provides real-time images of the phase evolution of the RF electric field. Besides, it is demonstrated that essential properties of RF wave propagation are easily grasped from visual images; examples of LEI movies and images from which such essential properties can be identified are presented. The subjects of the LEI observations, analyses, and diagnoses are planar RF circuits and a Gbps-class emitter-coupled-logic circuit. In addition, the results of analyses and diagnoses in the space domain are discussed.

Keywords

Electrooptic effectsImage analysisImage sensorPropagationReal-time systemsMicrowave measurements
Type
Original Article
Information
International Journal of Microwave and Wireless Technologies , Volume 2 , Special Issue 3-4: European Microwave Week 2009 , August 2010 , pp. 341 - 347
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2010

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References

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