A Design-Oriented Scaleable MMIC Spiral Inductor Model

Author

Carchon, G. ; Schreurs, D. ; Vandenberghe, S. ; Nauwelaers, B. ; De Raedt, W.

Author_Institution

K.U.Leuven, div. ESAT-TELEMIC, Kard. Mercierlaan 94, B-3001 Heverlee, Belgium. Tel. +32-(0)16-321875, Fax. +32-(0)16-321986, E-mail: geert.carchon@esat.kuleuven.ac.be

Volume

2

fYear

1998

fDate

Oct. 1998

Firstpage

673

Lastpage

677

Abstract

The experimental modelling of MMIC spiral-inductors is investigated. A new model is proposed which is valid up to the first resonance frequency. The scaleability of the model as a function of series inductance is investigated by the modelling of over 60 rectangular spiral inductors on GaAs and the accuracy is verified by the comparison of the model with the on-wafer variation of the measured inductors. The model shows an excellent accuracy and scaleability. Using only a limited number of inductors to create the model, the inductor layout can be optimized for the problem-at-hand. A model able to accurately fit the inductor´s S-parameters at frequencies above resonance is also given. The accuracy is verified by the comparison of the model with the on-wafer variation of the measured inductors.

Keywords

Conductors; Frequency measurement; Gallium arsenide; Inductance measurement; Inductors; MMICs; Resonance; Resonant frequency; Scattering parameters; Spirals;

fLanguage

English

Publisher

ieee

Conference_Titel

Microwave Conference, 1998. 28th European

Conference_Location

Amsterdam, Netherlands

Type

conf

DOI

10.1109/EUMA.1998.338236

Filename

4139291