Electromagnetic interference examples of telecommunications system in the frequency range from 2kHz to 150kHz

Author

Murakawa, Kazuo ; Hirasawa, Norihito ; Ito, Hidenori ; Ogura, Yasunori

Author_Institution

EMC Eng. Group, NTT EAST Corp., Tokyo, Japan

fYear

2014

fDate

12-16 May 2014

Firstpage

581

Lastpage

584

Abstract

Recently malfunctions of telecommunication installations caused by switching noises of electric equipment or devices have been increasing. The switching noises usually have low frequencies between 2 kHz and 150 kHz. This paper shows some electric interference examples of telecommunication system cause by ac mains noises in frequency range from 2 kHz to 150 kHz. This paper also shows a necessity of emission requirements below 150 kHz for all equipment against EMC problems.

Keywords

electrical installation; electromagnetic interference; telecommunication equipment; ac mains noises; electric devices; electric equipment; electric interference; electromagnetic interference; emission requirements; frequency 2 kHz to 150 kHz; switching noise; telecommunication installations; telecommunications system; Acoustic noise; Modems; Noise; Optical fiber cables; Resistance heating; Shape; Telecommunications; 2kHz to 150kHz; EMI examples on telecommunication equipment; ac mains conduction noise; emission requiremet; switching noise;

fLanguage

English

Publisher

ieee

Conference_Titel

Electromagnetic Compatibility, Tokyo (EMC'14/Tokyo), 2014 International Symposium on

Conference_Location

Tokyo

Type

conf

Filename

6997210