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Telecommunications and Radio Engineering
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ISSN Imprimer: 0040-2508
ISSN En ligne: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v65.i16.20
pages 1463-1472

Minimally Allowable Power at the Input of Digital Optical Receiver Unit for the Systems of Optical Access

V. S. Marchuk
Kharkiv National University of Radio Engineering and Electronics, 14, Lenin Ave, Kharkiv, 61166, Ukraine
V. N. Selevko
Kharkiv National University of Radio Engineering and Electronics, 14, Lenin Ave, Kharkiv, 61166, Ukraine

RÉSUMÉ

The formulas for calculation of the minimum optical power on the input of optical receiving devices (ORD) of digital systems of optical access (SOA) not depending on resistance of a photodetector for high-sensitive ORD are obtained. The reduction of a passband ORD results in reduction of the level of noise in ORD SOA. The boosting of spectral sensitivity on current of the photodetector makes it possible to decrease the noise.