Coplanar waveguides on AlN for AlGaN/GaN MMIC applications

B. Jacobs, B. Straaten, van, A.P. Hek, de, R. Dijk, van, F. Karouta, F.E. Vliet, van

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Abstract

In this paper we present results on the characterization of Coplanar Waveguides (CPW) on AlN substrates. These transmission lines will be used in matching networks for high power Al- GaN/GaN ampliers. The large currents that will flow inside these ampliers require a large crosssectional conductor area resulting in CPW lines with large signal-to-ground spacings and/or large center conductor widths. The Line-Reflect-Line (LRL) algorithm was used in combination with a capacitance measurement to determine the transmission line parameters. It will be shown that the CPW lines with large dimensions show non-quasi- TEM behavior presumably related to parallel plate modes which influence decreases with sample thickness. The CPW lines show dispersion in the lowfrequency (
Original languageEnglish
Title of host publicationProceedings of the 3rd Workshop on Semiconductor Advances for Future Electronics (SAFE 2000), November 29 - December 1, Veldhoven, The Netherlands
Place of PublicationUtrecht
PublisherSTW Technology Foundation
Pages75-77
ISBN (Print)90-73461-24-3
Publication statusPublished - 2000
Event3rd Workshop on Semiconductor Advances for Future Electronics (SAFE 2000), November 29-December 1, 2000, Veldhoven, The Netherlands - Veldhoven, Netherlands
Duration: 29 Nov 200030 Nov 2000

Workshop

Workshop3rd Workshop on Semiconductor Advances for Future Electronics (SAFE 2000), November 29-December 1, 2000, Veldhoven, The Netherlands
Abbreviated titleSAFE 2000
Country/TerritoryNetherlands
CityVeldhoven
Period29/11/0030/11/00

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