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Design Considerations on Line Equipment for 10 800 Voice Channels

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1 Author(s)
Koppehele, F. ; Siemens Aktiegesellshaft, Munich, Germany

This paper outlines the planning fundamentals of a 60-MHz coaxial system and describes the equipment concept for the transmission line. This is followed by design considerations on wideband repeaters; measurement results on transistors and various amplifier circuits are then discussed. The following problems and their solutions are also taken into account: remote power supply, power filters, dropping filters, automatic level control, and fault locating. Progress in transistor technology and in hybrid integrated circuits promises good technical solutions to the problems encountered.

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Communication Technology, IEEE Transactions on  (Volume:16 ,  Issue: 2 )