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Electronic Devices

Frequency Study in the Cable Television Systems and Terrestrial Television Systems

PÃƒÂ©ter Prukner, IstvÃƒÂ¡n DrotÃƒÂ¡r, MÃƒÂ¡tÃƒÂ© Liszi, Szilvia Nagy
Radio Frequency Test Laboratory of the SzÃƒÂ©chenyi IstvÃƒÂ¡n University Egyetem tÃƒÂ©r 1, H-9026 GyÃƒÂµr Hungary., Department of Telecommunications at SzÃƒÂ©chenyi IstvÃƒÂ¡n University Egyetem tÃƒÂ©r 1., H-9126 GyÃƒÂµr Hungary

Abstract: The cable television systems and the digital switchover in the terrestrial television systems have similarities with respect to frequencies. Even they are not depending each other; in reality the cable television signals normally disturb the signals of the air frequency bands. We in this paper intend to find the shielding effectiveness of various cables and taps. In evaluation we tried to find how the measured results change in the case of broken cables, damaged multi-taps and not properly secured closings using the specifications and directions of the 50083-2 EMC standard as a guideline.

Keywords: EMC, Digital Dividend, Digital Switchover CATV, Shielding Effectiveness Frequency Study in the Cable Television Systems and Terrestrial Television Systems

DOI:https://doi.org/10.6025/ed/2021/10/1/1-8

Full_Text PDF 638 KB Download: 493 times

References:

[1] Digital Dividend - Insights for Spectrum Decisions, ITU, August 2012.
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[10] EN 50093-2 Cable Netvorks of Television Sigals, Audio Signals and Interactive Services, (MSZ EN 50093-2, Televíziójelek, hangjelek és interaktív szolgáltatások kábelhálózatai, MSZT, 2012).
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