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Efficient Krylov-subspace simulation of autonomous RF/microwave circuits driven by digitally modulated carriers

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3 Author(s)
Rizzoli, V. ; Dipartimento di Elettronica, Inf. e Sistemistica, Bologna Univ., Italy ; Costanzo, A. ; Mastri, F.

Presents a new approach to the simulation of self-oscillating nonlinear circuits excited by modulated RF/microwave carriers and/or dc sources. The analysis is reduced to the solution of a sequence of coupled harmonic-balance systems. A Krylov-subspace method explicitly developed for autonomous circuits and the suppression of any time-domain integration provide a dramatic speed increase with respect to conventional envelope-oriented techniques.

Published in:

Microwave and Wireless Components Letters, IEEE  (Volume:11 ,  Issue: 7 )