{"title":"High-Frequency Modeling of Coplanar Waveguides Including Surface Roughness","authors":"G. Gold, K. Lomakin, K. Helmreich, U. Arz","doi":"10.5194/ars-17-51-2019","DOIUrl":null,"url":null,"abstract":"Abstract. An existing analytical transmission line model to describe propagation\nproperties of coplanar waveguides including dispersion and radiation effects\nwas extended to take into account surface roughness of conductor traces. The\ninfluence of parasitics is successively included in the simulation and\ncompared to measurements. The device under test (DUT) was fabricated on an\nAl2O3 wafer. A metal and ceramic chuck was utilized during\nmeasurements up to 120 GHz. The extended model is then capable of precisely\npredicting propagation properties in a wide frequency range and can now be\nused for calibration purposes like the development of uncertainty budgets.\n","PeriodicalId":45093,"journal":{"name":"Advances in Radio Science","volume":null,"pages":null},"PeriodicalIF":0.6000,"publicationDate":"2019-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"11","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Advances in Radio Science","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.5194/ars-17-51-2019","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
引用次数: 11
Abstract
Abstract. An existing analytical transmission line model to describe propagation
properties of coplanar waveguides including dispersion and radiation effects
was extended to take into account surface roughness of conductor traces. The
influence of parasitics is successively included in the simulation and
compared to measurements. The device under test (DUT) was fabricated on an
Al2O3 wafer. A metal and ceramic chuck was utilized during
measurements up to 120 GHz. The extended model is then capable of precisely
predicting propagation properties in a wide frequency range and can now be
used for calibration purposes like the development of uncertainty budgets.
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