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Title: Design and modelling of an on silicon spiral inductor library using improved EM simulations
Authors: Goni-Iturri, A.
Khemchandani, S. L. 
Del Pino, F. J. 
García, J. 
González, B. 
Hernández Ballester, Antonio 
UNESCO Clasification: 3307 Tecnología electrónica
Keywords: Metals
Computer simulations
3D modeling, et al
Issue Date: 2005
Journal: Proceedings of SPIE - The International Society for Optical Engineering 
Conference: Conference on VLSI Circuits and Systems II 
Abstract: This paper deals with the design and modeling of integrated spiral inductors for RF applications by means of a general purpose Electromagnetic (EM) simulator. These tools allow optimizing flexibly the inductor layout structure. The inductor performance can be obtained by using a three-dimensional design tool or a two-dimensional one. Planar 2-D or so called 2.5-Ds simulators are faster and accept complex coil geometries. We have used one of these simulators, the Advanced Design System planar EM simulator, Momentum, from Agilent (c).The inductor quality factor (Q) is limited, among other phenomena, by the series resistance of the metal traces and the substrate losses. Therefore the simulator requires an accurate set up of the process and simulator parameters and a correct algorithm to model metal thickness to rely on simulation results. In this paper we analyze and compare these different approaches.A high-quality factor inductor library on a 0.35 gin SiGe technology at 5 GHz is also designed in this work using the proper simulator set up. Nine of the inductors have been fabricated and measured to test the simulator reliability. Measurements taken over a frequency range from 500 MHz to 10GHz show a good agreement with 2.5-EM simulations.
ISBN: 0-8194-5832-5
ISSN: 0277-786X
DOI: 10.1117/12.608292
Source: Proceedings of SPIE - The International Society for Optical Engineering[ISSN 0277-786X],v. 5837 PART I (59), p. 534-541
Appears in Collections:Actas de congresos
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