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Improved Modeling of Radiation Effects in Coplanar Waveguides with Finite Ground Width

G.N. Phung1,2, U. Arz2, K. Kuhlmann2, R. Doerner1, and W. Heinrich1

Published in:

Proc. 50th European Microwave Conference (EuMC 2020), Utrecht, Netherlands, Jan. 12-14, pp. 404-407 (2021).

Abstract:

Accurate planar transmission-line models are indispensable not only for the design of monolithic microwave integrated circuits (MMICs) but also for their characterization, e.g., when establishing traceability of on-wafer measurements. This paper presents an extended formulation of a conventional, analytical CPW model, which yields an improved description of radiation losses. The new model is validated by 3D electromagnetic (em) full-wave simulations and compared to measurements.

1 Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik, Gustav-Kirchhoff-Str. 4, 12489 Berlin, Germany
2 Physikalisch-Technische Bundesanstalt (PTB), Bundesallee 100, 38116 Braunschweig, Germany

Keywords:

coplanar waveguides, calibration, dispersion, radiation.

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