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Optical local area network feturing a variable output power transmitter / A. Boudghene Stambouli 

Public ISBD Titre : Optical local area network feturing a variable output power transmitter Type de document : texte imprimé Auteurs : A. Boudghene Stambouli, Auteur ; A. J. Lowery, Directeur de thèse Editeur : Nottingham : University of Nottingham Année de publication : 1985 Importance : 79 f. Présentation : ill. Format : 27 cm. Note générale : Mémoire de Magister : Électronique : Nottingham, University of Nottingham : 1985 Annexe [12] f. Bibliogr. f. 84 Langues : Anglais (eng) Mots-clés : Computer  --  networks  ;  Copper  --  conductors  ;  Optical  --  fibre  --  network  ;  Ethernet Index. décimale : M007185 Résumé : Local computer networks which communicate over copper conductors have been developed both to promote resource sharing and provide increased performance. in this report the use of fibre optics in such networks is considered, and a status report on the optical fibre network experiment which operates at 1Mbit/s and 10Mbit/s is given. The system performance of the Optical Ethernet experiment, which uses an LED with power output control possibility, multimode step index fibre, PIN photodiode, and incorporating a collision-detection-device is described. Circuitry developed for each sub-system is presented with its characteristic curves and output waveforms for a specific input signal. The performance of the receiver used is examined, the noise present in the unit, the minimum power required are measured as well as the value of its sensitivity for a SNR of 21.6dBm which yields a BER of 10⁻⁹ . Finally suggested circuit for measurement of the BER is presented as an expansion possibility for this project. Optical local area network feturing a variable output power transmitter [texte imprimé] / A. Boudghene Stambouli, Auteur ; A. J. Lowery, Directeur de thèse . - Nottingham : University of Nottingham, 1985 . - 79 f. : ill. ; 27 cm. Mémoire de Magister : Électronique : Nottingham, University of Nottingham : 1985 Annexe [12] f. Bibliogr. f. 84 Langues : Anglais (eng) Mots-clés : Computer  --  networks  ;  Copper  --  conductors  ;  Optical  --  fibre  --  network  ;  Ethernet Index. décimale : M007185 Résumé : Local computer networks which communicate over copper conductors have been developed both to promote resource sharing and provide increased performance. in this report the use of fibre optics in such networks is considered, and a status report on the optical fibre network experiment which operates at 1Mbit/s and 10Mbit/s is given. The system performance of the Optical Ethernet experiment, which uses an LED with power output control possibility, multimode step index fibre, PIN photodiode, and incorporating a collision-detection-device is described. Circuitry developed for each sub-system is presented with its characteristic curves and output waveforms for a specific input signal. The performance of the receiver used is examined, the noise present in the unit, the minimum power required are measured as well as the value of its sensitivity for a SNR of 21.6dBm which yields a BER of 10⁻⁹ . Finally suggested circuit for measurement of the BER is presented as an expansion possibility for this project.

Exemplaires

Code-barres	Cote	Support	Localisation	Section	Disponibilité	Spécialité	Etat_Exemplaire
M007185	M007185	Papier	Bibliothèque centrale	Mémoire de Magister	Disponible

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