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Quasi‐static numerical modeling of miniature RF circuits based on lumped equivalent circuits
Author(s) -
Li Hongliang,
Jin JianMing,
Jachowski Doug,
Silver Richard,
Hammond Robert
Publication year - 2020
Publication title -
international journal of numerical modelling: electronic networks, devices and fields
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.249
H-Index - 30
eISSN - 1099-1204
pISSN - 0894-3370
DOI - 10.1002/jnm.2795
Subject(s) - equivalent circuit , electronic circuit , inductance , network analysis , electronic engineering , static analysis , electrical element , partial element equivalent circuit , topology (electrical circuits) , physics , computer science , engineering , electrical engineering , voltage , programming language
A quasi‐static approach based on lumped equivalent circuits is presented and investigated for an efficient numerical analysis of miniature RF circuits. In this approach, the static capacitances and inductances including mutual capacitances and inductances of individual circuit components are first evaluated using the finite element method. An equivalent lumped circuit based on the calculated capacitances and inductances is then constructed for the entire circuit, whose analysis predicts the frequency responses of the circuit. The accuracy of this quasi‐static approach is investigated by comparing its solution with that of the full‐wave analysis based on Maxwell's equations. It is found that the quasi‐static analysis is very accurate for a miniature RF circuit whose electrical size is smaller than a fraction of the effective wavelength.