Self mixing oscillators at Q-band using Gunn diode solid state sources
Master Thesis
1982
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University of Cape Town
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Abstract
This Thesis is a report of research done into the use of a GUNN Diode Millimetre Wave Source as both the Receiver and the Transmitter of a system. The Thesis is divided into three main sections. The first of these sections (Chapter 2) "sets the scene" so to speak. It presents certain preliminary fundamentals that are essential for placing the results obtained later into their proper context. Areas discussed are NOISE FIGURE, TRANSMISSION PATH LOSS and GUNN DIODE operation. The second section (Chapter 3) considers the operation of the device as a mixer. Its operation as a Microwave Power Source is a well-known concept and it will not be discussed here. This section covers such aspects as CONVERSION LOSS, NOISE FIGURE and BIAS CIRCUIT STABILITY. The third section considers those points arising from the second section which seem to be of interest. These include such aspects as Better Correlation of results and theory and ways of applying the device to modern Waveguide structures. The Thesis ends with a Conclusion, Appendix and a Bibliography.
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Bibliography: leaves 149-155.
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Reference:
Braun, R. 1982. Self mixing oscillators at Q-band using Gunn diode solid state sources. University of Cape Town.