Abstract :
Summary form only given. Modern CAD (computer-aided-design) techniques that are available or under development for tackling several fundamental aspects of simulation and design problems for nonlinear analog microwave circuits were discussed, with emphasis on software methodology. Multitone excitation, including frequency domain, mixed-mode, and Volterra series methods, and their convergence, was discussed, and frequency conversion in nonlinear devices was analyzed. A generalized CAD approach to noise analysis was outlined, with the linearized mixer as a special case. The simulation of autonomous circuits and their global stability analysis were considered. Modern optimization methods for nonlinear circuits and algorithms for the fast computation of exact sensitivities were reviewed. The application of vector and parallel processing was examined, illustrated by a few typical large-size simulation and design problems.<>
Keywords :
circuit CAD; microwave circuits; nonlinear network synthesis; Volterra series methods; autonomous circuits; convergence; design of nonlinear microwave circuits; design problems; fast computation of exact sensitivities; frequency conversion in nonlinear devices; frequency domain analysis; fundamental aspects of simulation; global stability analysis; large-size simulation; linearized mixer; mixed-mode analysis; multitone excitation; noise analysis; nonlinear analog microwave circuits; optimization methods; parallel processing; software methodology; vector processing; Analog computers; Circuit simulation; Computational modeling; Computer simulation; Convergence; Design automation; Frequency domain analysis; Microwave circuits; Microwave devices; Microwave theory and techniques;
