Artículo
Differential Lines for Common-Mode Suppression Based in Hybrid Microstrip/CPW Technology
Autor/es | Martel Villagrán, Jesús
Fernández Prieto, Armando Lujambio, Aintzane Medina Mena, Francisco Mesa Ledesma, Francisco Luis Rodríguez Boix, Rafael |
Departamento | Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo Universidad de Sevilla. Departamento de Física Aplicada I Universidad de Sevilla. Departamento de Física Aplicada II |
Fecha de publicación | 2017 |
Fecha de depósito | 2020-05-25 |
Publicado en |
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Resumen | A symmetrical pair of differential microstrip lines implemented in hybrid microstrip/coplanar waveguide (CPW) technology is proposed. Transmission-line models are used to analyze differential-and common-mode responses, ... A symmetrical pair of differential microstrip lines implemented in hybrid microstrip/coplanar waveguide (CPW) technology is proposed. Transmission-line models are used to analyze differential-and common-mode responses, allowing efficient design with minimal optimization effort. The structure behaves as a conventional transmission line pair under differential-mode excitation, whereas asymmetrical coupled transmission line theory has to be applied to characterize common-mode operation. The common mode is strongly suppressed thanks to the introduction of a controllable transmission zero. A two-stage version of the structure is used to increase the common-mode rejection bandwidth. All the electrical parameters of the transmission lines have been obtained using an in-house fast quasi-TEM code. The good agreement between transmission-line models, full-wave simulations and measurements confirms the benefits of the structure and the design procedure. |
Identificador del proyecto | TEC2013-41913-P
P12-TIC-1435 |
Cita | Martel Villagrán, J., Fernández Prieto, A., Lujambio, A., Medina Mena, F., Mesa Ledesma, F.L. y Rodríguez Boix, R. (2017). Differential Lines for Common-Mode Suppression Based in Hybrid Microstrip/CPW Technology. IEEE Microwave and Wireless Components Letters, 27 (1), 13-15. |
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