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A Cost-Effective Transition between a Microstrip Line and a Post-Wall Waveguide Using a Laminated LTCC Substrate in 60-GHz Band
Takafumi KAI Jiro HIROKAWA Makoto ANDO Hiroshi NAKANO Yasutake HIRACHI
Publication
IEICE TRANSACTIONS on Electronics
Vol.E90-C
No.4
pp.907-910 Publication Date: 2007/04/01 Online ISSN: 1745-1353
DOI: 10.1093/ietele/e90-c.4.907 Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Microwaves, Millimeter-Waves Keyword: coaxial, post-wall waveguide, microstrip line, millimeter-wave band, LTCC,
Full Text: PDF(914.1KB)>>
Summary:
Transitions between a post-wall waveguide and a microstrip line are proposed as the key components for cost-effective millimeter-wave modules. A transition with a coaxial structure is investigated for LTCC laminated layers and 11.3% bandwidth for the reflection smaller than -15 dB is realized in 60 GHz band. The overall connector loss with 1 cm post-wall would be about 0.8 dB. The degradation due to fabrication error is also assessed. The transition in LTCC substrate fulfills electrical and manufacturing demands in millimeter-wave bands.
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