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Title: A new time-domain simulation method for highly heterogeneous RF circuits
Authors: Oliveira, Jorge dos Santos Freitas de
Pedro, José Carlos
Keywords: Nonlinear circuits
Nonlinear differential equations
Issue Date: Oct-2007
Publisher: IEEE
Citation: OLIVEIRA, Jorge Santos Freitas; PEDRO, José Carlos - A new time-domain simulation method for highly heterogeneous RF circuits. In: Proceedings of the 37th European Microwave Conference. Munich: IEEE, 2007.
Abstract: This paper describes a new time-domain simulation method particularly amenable for highly heterogeneous nonlinear RF circuits as modern wireless transceivers that combine analog RF and both analog and digital base-band circuitry. It uses innovative multi-rate Runge-Kutta algorithms applied to the envelope transient method over a time-domain periodic steady-state technique (shooting), to efficiently resolve strongly nonlinear circuits excited by forcing functions of very distinct time-scales and exhibiting slow (latent) and fast-varying (active) state-variables. Attributing different time-steps to these latent and active state-variables speedup gains of more than 1-to- 7 in simulation time were obtained for even a circuit example of very small size.
ISBN: 978-2-87487-001-9
Appears in Collections:Comunicações em conferências e congressos internacionais

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