A Novel Optical Receiver for AM/QAM/FM Hybrid SCM Video Distribution Systems

Satoyuki MATSUI  Ko-ichi SUTO  Koji KIKUSHIMA  Etsugo YONEDA  

Publication
IEICE TRANSACTIONS on Communications   Vol.E76-B   No.9   pp.1159-1168
Publication Date: 1993/09/25
Online ISSN: 
DOI: 
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Fiber-optic Microcelluler Radio Communication System and Their Technologies)
Category: Equipment and Device Matters
Keyword: 
optical receiver,  video distribution,  subcarrier multiplexing,  hybrid SCM transmission,  

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Summary: 
An optical receiver for hybrid SCM video distribution systems that distribute AM, QAM (quadrature amplitude modulation) and FM TV signals simultaneously is investigated. We propose a novel receiver configuration called the Frequency Division type Receiver (FDR) with consists of a photo detector, filter, and multiple preamplifiers. The receiver is compared with existing receivers in terms of optical sensitivity, distortion characteristics, and configuration simplicity. We clarify that the newly developed FDR type receiver is most suitable for hybrid SCM video distribution systems.