Abstract
The article reviews the application of optimization techniques, in conjunction with the methods of harmonic-balance simulation, to the nonlinear design of free-running and tunable microwave oscillators. The purpose is to give an in-depth treatment of many different aspects of the practical oscillator design problem, and of their formulation in terms of numerical optimization. This includes free-running and tunable oscillators, with both discrete (multiple-cavity) and continuous tuning. Conventional specifications on electrical performance are extended to include near-carrier phase noise, steady-state stability, and tuning linearity in the VCO case. The problem of designing oscillators integrated with other nonlinear subsystems to build up multifunctional modules is also addressed. Several examples of application to typical engineering problems are provided. © 1997 John Wiley & Sons, Inc. Int J Microwave Millimeter-Wave CAE 7: 52–74, 1997.
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