A new algorithm based on projection techniques is proposed for constructing parameterized reduced order systems of nonlinear equations. The resulting reduced system can be used to trace the variation in the steady-state solution in response to variations in any arbitrary circuit or physical parameter. Experimental results show up to two orders-of-magnitude reduction in the problem size required in conventional harmonic balance technique.

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Keywords Multi-tone circuits, Parameterized reduced systems, Projection techniques, Steady-state analysis
Conference 2004 IEEE MITT-S International Microwave Symposium Digest
Pai, P., Gad, E., Khazaka, R., Achar, R, & Nakhla, M.S. (2004). Parametric circuit reduction for steady-state simulation with multi-tone inputs. In IEEE MTT-S International Microwave Symposium Digest (pp. 937–940).