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Frequency/temperature characteristics of Gunn devices

Davies, R. and Gurney, William and Mircea, A. (1972) Frequency/temperature characteristics of Gunn devices. Electronics Letters, 8 (14). pp. 349-351. ISSN 0013-5194

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Abstract

The variability and large magnitude of the frequency/temperature coefficient of Gunn oscillators has limited the application of these devices. The letter outlines a program of experiments and computer simulations aimed at achieving an understanding of the basic ¿f/¿T mechanism and thus producing a deep stable oscillator. Our simulations successfully predict observed trends in the ¿f/¿T behaviour of Gunn devices with both alloyed metal and n+ regrown contacts. The results of our study show that stable oscillators with a small loaded Q factor and near maximum power output are realisable.