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Novel Wideband Transition Between Coplanar Waveguide and Microstrip Line

Bulja, S and Mirshekar-Syahkal, D (2010) 'Novel Wideband Transition Between Coplanar Waveguide and Microstrip Line.' IEEE Transactions on Microwave Theory and Techniques, 58 (7). pp. 1851-1857. ISSN 0018-9480

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A novel wideband vertical transition for connecting the coplanar waveguide (CPW) to the microstrip line is proposed. This transition can be very useful for millimeter-wave packaging and vertical interconnects. It is multilayered, partly tapered, and consists of only one via interconnect. Two different transitions are designed. The first transition allows connectivity of a CPW with Zc - 50 Ω to a microstrip line with Zc = 16 Ω with a bandwidth of 10-60 GHz. The second transition has the same characteristic impedance, Zc - 50 Ω, at the two ports. In this case, the operating frequency is from 40 MHz to 60 GHz. The return losses of both transitions are generally lower than-10 dB over their indicated frequency ranges, while the maximum measured insertion losses are 1.8 and 2.4 dB for the first and second transition, respectively. To extract the S-parameters of the transitions, a new thru-line technique, based on the standard thru-reflect-line two-tier calibration is introduced. Simulation and experimental results, showing good agreement, are presented and discussed. © 2010 IEEE.

Item Type: Article
Uncontrolled Keywords: Coplanar waveguide (CPW); microstrip line; transition; via interconnect
Subjects: Q Science > QC Physics
Divisions: Faculty of Science and Health
Faculty of Science and Health > Computer Science and Electronic Engineering, School of
SWORD Depositor: Elements
Depositing User: Elements
Date Deposited: 05 Mar 2013 16:35
Last Modified: 18 Aug 2022 11:02

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