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Journal of Zhejiang University SCIENCE A 2007 Vol.8 No.3 P.357~360

http://doi.org/10.1631/jzus.2007.A0357


Noise properties in breaking and loose contacts and their effect on quality degradation of digital signal


Author(s):  TAKAGI Tasuku

Affiliation(s):  Professor Emeritus, Tohoku University; more

Corresponding email(s):   tasuku@sirius.ocn.ne.jp

Key Words:  EMC (electromagnetic compatibility), Electric contacts, Discharge, Induction noise, Radiation noise, ESD (electrostatic discharge), Connector


TAKAGI Tasuku. Noise properties in breaking and loose contacts and their effect on quality degradation of digital signal[J]. Journal of Zhejiang University Science A, 2007, 8(3): 357~360.

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journal="Journal of Zhejiang University Science A",
volume="8",
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publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2007.A0357"
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%DOI 10.1631/jzus.2007.A0357

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T1 - Noise properties in breaking and loose contacts and their effect on quality degradation of digital signal
A1 - TAKAGI Tasuku
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EP - 360
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2007.A0357


Abstract: 
Electric contact discharge is subject closely related to digital information transmission, and integrity of digital signals for realizing high reliablility transmission. This kind of problem is a part of EMC (electromagnetic compatibility). From such a viewpoint, contact noise problems will be mentioned which disturb and degrade digital signals. The induction noise and radiation noise from discharge, electrostatic discharge (ESD), and connector related fundamental subject will be mentioned.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

[1] Fujiwara, O., 1994. ESD Source Model and Occurrence Electromagnetic Field. Proc. of the RICE Symposium, Tohoku University, p.95-100 (in Japanese).

[2] Holm, R., 2000. Electric Contacts, Theory and Applications (3rd Ed.). Reprint of Fourth Completely Rewritten Edition 1967, Springer.

[3] Honda, M., 1994. Fundamental Aspects of ESD Phenomena and Its Measurements. Proc. of the RIEC Symposium, Tohoku University, p.79-86 (in Japanese).

[4] Inoue, H., Takagi, T., 1985. Statistical measurement of 1 MHz noise induced from arc and composite noise generator (CNG). The Transactions on Communications (Japanese Edition), J68-B(12):1506-1512.

[5] Ishida, H., Taniguchi, M., Takagi, T., 2005. Precise Measurement of Dark Bridge Between Micro-Gap Electrical Contacts in a State of Thermal Equilibrium Condition. IEEE 2005 Instrumentation and Measurement Technology Conference, IM5382, Ontario, Canada.

[6] Kawamata, K., 2004. Wideband Measurement of Transient Variations Due to Micro-gap Discharge. 1st IEEE EMC-S Sendai Chapter Colloquium, Tohoku University, (in Japanese).

[7] Middleton, D., 1979. Canonical Non-Gaussian Model: Their Implications for Measurement and for Prediction of Receiver Performance. 3rd Symposium and Technical Exhibition on Electromagnetic Compatibility, Rotterdam.

[8] Sawa, K., 1982. Generation of Discharge and Intermittent Arc at Very Short Gap. Ph.D Thesis, Keio University (in Japanese).

[9] Sawa, K., 2004. IEEE CPMT Ragnar Holm Scientific Achievement Award Lecture. The International Conference on Electrical Contacts, Seattle.

[10] Shannon, C.E, 1948. A mathematical theory of communication. The Bell System Technical Journal, 27:379-423, 623-656.

[11] Suzuki, H., Shizuya, H., Takagi, T., 1992. Composite noise generator (CNG) with random pulse stream (RPS) generator for immunity teat in digital system. IEICE Trans., E75-B(3):183-187.

[12] Takagi, T., 1982. Theoretical and Experimental Study of Switching and Ignition Noise in Motor Vehicles. Proc. of the 5th International Symposium on Electromagnetic Compatibility, Zurich.

[13] Takagi, T., 1995. Composite noise generator (CNG) as a noise simulator and its application to noise immunity test of digital systems and TV picture. IEICE Trans. Commun., E78-B(2):127-133.

[14] Takagi, T., Inoue, H., 1981. Induced Electromagnetic Noise from Contact Discharge-Measurement and Statistical Characteristics. IEEE International Symposium on Electromagnetic Compatibility, Boulder.

[15] Takagi, T., Taniguchi, M., 2005. EMC Aspect on Electrical Contacts. Annual Convention of IEICE, CS-5-1, March, 2005/06/23.

[16] Uchimura, K., 1985. Experimental Research on Electromagnetic Noise from Contact Discharge Ph.D Thesis, Tohoku University (in Japanese).

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