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Abstract

This thesis describes work done on the Electrical Engineering
Department of the University of Tasmania from April 1959 until March 1960 under the supervision of Professor G.H. Newstead.
At that time the Department was concerned with providing
equipment for telemetry of very low frequency seismic data from remote stations in Tasmania. In support of a proposal that PCM transmission
be used due to its claimed high noise-immunity, a theoretical investigation of the characteristics of PCM was carried out, and simple transistorized
equipment was developed for this application: a coder and decoder for
the data, and regeneration and synchronization equipment for the transmission link.
Other equipment concerned with the instrumentation of geological
work was designed and built for the Department during this period. It included a portable unit for measuring borehole temperatures, standard time-signal equipment for the laboratory and high-current regulated paver supplies for transistorised equipment.
When this work was undertaken the use of transistors was very
restricted and little experience had been gained in the Department in their application. Consequently, this thesis reports some of the early transistor circuit development in the University of Tasmania.

Item Type:	Thesis - Unspecified
Authors/Creators:	Dunne, Graham Vincent
Keywords:	Pulse-code modulation
Copyright Holders:	The Author
Copyright Information:	Copyright 1963 the Author - The University is continuing to endeavour to trace the copyright owner(s) and in the meantime this item has been reproduced here in good faith. We would be pleased to hear from the copyright owner(s).
Additional Information:	Thesis (M. Eng. Sc.) - University of Tasmania, 1968. Includes bibliographical references
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