Article: Characterization of Low-Loss Dielectric Materials for High-Speed and High-Frequency Applications.
Materials (Basel, Switzerland)
2022 Volume 15, Issue 7
Abstract: In this study, the Df (dissipation factor or loss tangent) and Dk (dielectric constant or permittivity) of the low-loss dielectric material from three different vendors are measured by the Fabry-Perot open resonator (FPOR) technique. Emphasis is placed ... ...
| Abstract | In this study, the Df (dissipation factor or loss tangent) and Dk (dielectric constant or permittivity) of the low-loss dielectric material from three different vendors are measured by the Fabry-Perot open resonator (FPOR) technique. Emphasis is placed on the sample preparation, data collection, and the comparison with the data sheet values provided from vendors. A coplanar waveguide with ground (CPWG) test vehicle with one of these raw dielectric materials (vendor 1) is designed (through Polar and simulation) and fabricated. The impedance of the test vehicle is measured by TDR (time-domain reflectometer), and the effective Dk of the test vehicle is calculated by the real cross-section of the metal line width, spacing, and thickness of the test vehicle and a closed-form equation. In parallel, the insertion loss and return loss are measured with the VNA (vector network analyzer) of the test vehicle. Finally, the measurement and simulation results are correlated. Some recommendations on the low-loss dielectric materials of the Dk and Df are also provided. |
|---|---|
| Language | English |
| Publishing date | 2022-03-24 |
| Publishing country | Switzerland |
| Document type | Journal Article |
| ZDB-ID | 2487261-1 |
| ISSN | 1996-1944 |
| ISSN | 1996-1944 |
| DOI | 10.3390/ma15072396 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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