J. Dixon, E. Bradley, and Z. Popovic, "Nonlinear time-domain analysis of injection-locked microwave MESFET oscillators," IEEE Trans. on Microwave Theory and Technique, 45:1050-1057 (1997).

Abstract

In this paper, injection-locked MESFET oscillators are analyzed using several numerical models. We investigate the injection locking behavior of the van der Pol equation and of a more-complex representation using the Curtice-Cubic MESFET model. Analysis and experimental results are compared for an NE71083 transistor oscillator operating at 0.5 GHz. The deficiencies of using a van der Pol oscillator model are pointed out. Time-domain results from the complex model exhibiting multi-cycle and apparently chaotic behaviors are also examined. The point to problems with common nonlinear simulation techniques for these circuits.

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