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A method for characterizing coplanar waveguide-to-microstrip transitions, and its application to the measurement of microstrip devices with coplanar microprobes
Maya Sánchez, Mª del Carmen; Lázaro Guillén, Antoni; Pradell i Cara, Lluís; Paco, D. de
Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions; Universitat Politècnica de Catalunya. RF&MW - Grup de Recerca de sistemes, dispositius i materials de RF i microones
This paper presents a method for characterizing coplanar waveguide-to-microstrip (CPW-M) transitions by using on-wafer coplanar (CPW) microprobes. It is based on extracting the transmission matrix of the CPW-M transition from the measurement of the S parameters of two microstrip transmission lines of different lengths, each of which includes two CPW-M transitions. To verify the proposed method, the S parameters of a zero-length line, which is composed of two CPW-M transitions (thru connection) and has not been used in the transition characterization, are measured up to 40 GHz and are compared to those extracted and obtained from electromagnetic simulations. The method is applied to the measurement of a microstrip coupled-line filter embedded in CPW-M transitions.
Peer Reviewed
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Circuits de microones, radiofreqüència i ones mil·limètriques
Strip transmission lines
Microwaves
Wave guides
coplanar waveguide-to-microstrip transitions
network analyzer calibration
electromagnetic simulations
de-embedding
coplanar waveguides
microstrip filters
microstrip transitions
network analysers
S-parameters
transmission line matrix methods
on-wafer coplanar microprobes
transmission matrix
microstrip transmission lines
microstrip coupled-line filter
40 GHz
Microstrip
Microones
Guiatge
Article
JOHN WILEY & SONS INC
         

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