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http://dx.doi.org/10.5573/ieie.2015.52.2.050

Low Conversion Loss and High Isolation W-band MMIC Mixer Module  

An, Dan (Defense Agency for Technology and Quality)
Rhee, Jin-Koo (Millimeter-wave INnovation Technology research center, Dongguk University)
Publication Information
Journal of the Institute of Electronics and Information Engineers / v.52, no.2, 2015 , pp. 50-54 More about this Journal
Abstract
In this paper, we report on a high performance 94 GHz MMIC mixer module using 0.1-um metamorphic high electron mobility transistors (MHEMTs). A modified resistive mixer with a RF amplifier was proposed in this work for low conversion loss and high LO-RF isolation. The MMIC mixer module was fabricated using a MMIC chip and CPW-waveguide transitions. The fabricated mixer chip and module showed a low conversion loss of 6.3 dB and 9.5 dB, and LO-RF isolations of 24.8 and 30.4 dB at 94 GHz, respectively. This results are superior to those of previously W-band (75-110 GHz) MMIC mixers.
Keywords
MMIC; Mixer module; MHEMT; Conversion loss; Isolation;
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