The interaction of transferred electron devices with linear and nonlinear circuits

Anese, C. P. (1980) The interaction of transferred electron devices with linear and nonlinear circuits. Report (University of Queensland. Dept. of Electrical Engineering) EE 80/07, Department of Electrical Engineering, The University of Queensland.

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Author Anese, C. P.
Title The interaction of transferred electron devices with linear and nonlinear circuits
School, Department or Centre Department of Electrical Engineering
Institution The University of Queensland
Open Access Status File (Publisher version)
Report Number EE 80/07
Series Report (University of Queensland. Dept. of Electrical Engineering)
Publication date 1980
Total pages 195
Publisher University of Queensland. Dept. of Electrical Engineering
Language eng
Subject 290900 Electrical and Electronic Engineering
Formatted Abstract/Summary

A study of Transferred Electron (TE) oscillators is presented in two parts; the first deals with the modelling of varactor-tuned TE oscillators in waveguide and the second part is concerned with investigation of the interaction between a device and a nonlinear resonant circuit.


The TE device operation is described and computer modelling used to determine the properties of the active device.


An analysis of a multi-post waveguide mount is presented, resulting in the formulation of impedance matrix representation. The analysis is applied to the specific case of a two-post mount, and an algorithm is given for the calculation of the lumped-element equivalent circuit describing the mode coupling in such a mount.


A complete equivalent circuit model incorporating devices, packages and mount is developed and used to predict oscillator behaviour. The effect of certain oscillator parameters on performance is investigated. Experimental oscillators are constructed and used to verify the model's predictions. Good agreement is obtained between theoretical and experimental results.


The effect of a nonlinear resonant circuit on a negative-resistance source is studied. The cases of weak and strong nonlinearities in both source and load are examined, and found to produce markedly different results. The nonlinear oscillator is modelled on an analogue computer and novel behaviour is reported which may have significant bearing on the operation of microwave oscillators.

Keyword Gunn effect
Electronic circuits
Oscillators, Microwave
Q-Index Code K
Institutional Status UQ
Additional Notes Note: Technical report U.S. Army Research Office, grant DAA G29-76-G-0279.
Note: This item was also published as a MEngSc. thesis (THE2139)

Document type: Department Technical Report
Collections: UQ Library - Digitised Materials - open access
School of Engineering Publications
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