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A Balanced Mixer using Asymmetric Stacked Lines for a Quasi-millimeter Wave Band
Yo YAMAGUCHI Takana KAHO Ichihiko TOYODA Kazuhiro UEHARA Tadao NAKAGAWA Kiyomichi ARAKI
C - Abstracts of IEICE TRANSACTIONS on Electronics (Japanese Edition)
Publication Date: 2016/05/01
Online ISSN: 1881-0217
Type of Manuscript: PAPER
balanced mixer, asymmetric coupled lines, stacked balun, Marchand balun,
Full Text(in Japanese): FreePDF(1.2MB)
A miniaturized balanced mixer using multilayer MMIC technology is presented. It is proved that asymmetric lines can be 3-dB coupled lines and a stacked Marchand balun which consists of asymmetric coupled lines is realized. A quasi-millimeter-wave band balanced mixer is demonstrated using the stacked balun. The mixer achieves good performance with a die size of 1.56 mm2, local oscillator signal suppression of 47 dB, and conversion gain of -9 dB.