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Journal of Electronic Systems
 

UHF Range and B/G Test Channel for Channel Converters
Oleg Borisov Panagiev
Technical University of Sofia Bulgaria
Abstract: The authors have studied the oscillation frequencies in the modulators and channel converters in a Head End for cable TV. The standards used are channel 46 from the UHF range of B/G and the test channel is (n). The study of the work is the digital signals with a one-circular chain PLL and they are made from modules forming both analog and digital signals.
Keywords: CATV/HFC, BER, PLL, Transmodulator, Upconverter UHF Range and B/G Test Channel for Channel Converters
DOI:https://doi.org/10.6025/jes/2021/11/4/105-112
Full_Text   PDF 3.63 MB   Download:   205  times
References:

[1] MT-086 Tutorial, Fundamentals of Phase Locked Loops (PLLs), Analog Devices, Inc., 2009.
[2] Kester, W. (2009). Converting Oscillator Phase Noise to Time Jitter, Tutorial MT-008, Analog Devices, Inc.
[3] Ugryumov, E. P. (2010). Cifrovaya shemotehnika, 3th ed., BHVPeterburg, ISBN 978-5-9775-0162-0.
[4] http://wisi.de/en/wisi-group
[5] https://www.kathrein.com/
[6] http://www.televes.com/en/eng/home
[7] http://www.blankom.de/
[8] Digital SMATV Transmodulator, Handan Broad Info.Co.,Ltd., http://handan.en.ec21.com/
[9] European standard CENELEC “EN 50083:1-10”, 2012.
[10] O. B. Panagiev, Investigation of Second and Third order distortions Influence in the CATV/HFC networks. ICEST, In: Proceedings of Papers, volume 1, Ohrid, 26-29 June 2013, pp. 33-36 [11] Koitchev, K., Angelov, K., Sadinov, S. (2010). Design of interactive cable television networks, Ex-Press, Gabrovo.


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