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A 270 GHz-Band Planer Type MMIC Image Rejection SIS Mixer
Morishige HIEDA Tetsuya TAKAMI Tadashi TAKAGI
Publication
IEICE TRANSACTIONS on Electronics
Vol.E86-C
No.8
pp.1458-1463 Publication Date: 2003/08/01 Online ISSN:
DOI: Print ISSN: 0916-8516 Type of Manuscript: Special Section PAPER (Special Issue on Microwave and Millimeter Wave Technology) Category: Keyword: SIS, mixer, image rejection,
Full Text: PDF(974KB)>>
Summary:
A 270 GHz-band image rejection SIS mixer is developed. This mixer employs planer type image rejection configuration and is integrated into a single-chip as in MMIC's at microwave frequency. In order to use sapphire substrate at 270 GHz-band, CPW transmission lines are selected to realize 50-70Ω characteristic impedances. The fabricated MMIC SIS mixer performs 12-24 dB image rejection ratio with 450-780 K noise temperature at 270 GHz.
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