Novel random access tunable heterodyne receiver using beat counting method for multichannel coherent systems

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Kitajima, S.  Sasaki, S.  Tsushima, H.  Okai, M.  Yamashita, K. 
Hitachi Ltd., Tokyo, Japan 

This paper appears in: Electronics Letters
Issue Date: 18 Jan. 1990
Volume: 26 Issue: 2
On page(s): 127 - 129
ISSN: 0013-5194
Cited by: 1
INSPEC Accession Number: 3581082
Digital Object Identifier: 10.1049/el:19900087
Date of Current Version: 06 August 2002

Abstract

A beat counting method, which can allow a theoretically infinite transmitter frequency drift of the channel selection process, has been proposed for the implementation of a multichannel random access tunable heterodyne receiver. A channel switching time of less than 15 ms for a 150 GHz tuning range was obtained. It was confirmed that the proposed method would be very useful for the realisation of a multichannel (600 Mbit/s, 16 channel in the experiment) broadcasting system.

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