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Prediction of output SNR of analog optic receiver

  • Nan Ni*
  • , Guo Bin Su
  • , Zheng Li
  • , Jian Sheng Liu
  • *Corresponding author for this work
  • Beihang University

Research output: Contribution to journalArticlepeer-review

Abstract

The amplitude-frequency characteristic of transmission function of APD-GaAsFET analog optic receiver is usually nonideal in stopband. For this reason, the output Signal-Noise Ratio (SNR) is often lowered. A method is proposed to analyze and calculate the lowered output SNR caused by the nonideal stopband characteristic. A quantitative relation is established by using a low-band filter, which helps to improve the output SNR. The output noise formula is universally applicable to APD-GaAsFET analog optic receiver.

Original languageEnglish
Pages (from-to)144-148
Number of pages5
JournalBeijing Hangkong Hangtian Daxue Xuebao/Journal of Beijing University of Aeronautics and Astronautics
Volume28
Issue number2
StatePublished - Apr 2002

Keywords

  • Analog transmission systems
  • Signal-noise ratio
  • Transmission characteristics

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