DocumentCode :
3375591
Title :
Circuit synthesizable guaranteed passive modeling for multiport structures
Author :
Mahmood, Zohaib ; Daniel, Luca
Author_Institution :
Massachusetts Inst. of Technol., Cambridge, MA, USA
fYear :
2010
fDate :
23-24 Sept. 2010
Firstpage :
19
Lastpage :
24
Abstract :
In this paper we present a highly efficient algorithm to automatically generate circuit synthesizable dynamical models for passive multiport structures. The algorithm is based on a natural convex relaxation of the original nonconvex problem of modeling multiport devices from frequency response data, subject to global passivity constraints. The algorithm identifies a collection of first and second order passive networks interconnected in either series or parallel fashion. Passive models for several multiport structures, including Wilkinson type combiners, power and ground distribution grids and coupled on-chip inductors are provided to corroborate the theoretical development and show efficacy of the implemented algorithm. To demonstrate the practical usage of our algorithm, the identified models are also interfaced with commercial simulators and used to perform time domain simulations while being connected to highly nonlinear power amplifiers.
Keywords :
concave programming; convex programming; frequency response; multiport networks; passive networks; power amplifiers; time-domain analysis; Wilkinson type combiner; circuit synthesizable dynamical model generation; coupled on-chip inductor; first order passive network interconnection; frequency response data; multiport device modeling; natural convex relaxation; nonconvex problem; nonlinear power amplifier; passive multiport structure; passivity constraint; power-ground distribution grid; second order passive network interconnection; time domain simulation; Analytical models; Computational modeling; Frequency response; Impedance; Integrated circuit modeling; Solid modeling; Symmetric matrices;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Behavioral Modeling and Simulation Conference (BMAS), 2010 IEEE International
Conference_Location :
San Jose, CA
ISSN :
2160-3804
Print_ISBN :
978-1-4244-8996-1
Type :
conf
DOI :
10.1109/BMAS.2010.6156592
Filename :
6156592
Link To Document :
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