Trends and Challenges in Coplanar Millimeter-Wave Integrated Circuit Design

Despite the advantages of coplanar waveguide technology for high performance and low cost MMIC applications, its possibilities are still not thoroughly exploited for commercial applications. This paper presents an overview of trends and latest achievements in millimeter-wave coplanar integrated circuit design, such as modeling aspects, mounting techniques, and system applications. Coplanar circuit technology has shown its potential to be competitive with microstrip by recent solutions of the previously hindering technical and technological problems, and the realization of circuits for high performance millimeter-wave applications.

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