標題: Characteristics of GaAs transformers for RFIC applications
作者: Meng, Chinchun
Teng, Ya-Hui
Syu, Jin-Siang
Lin, Yi-Chen
Jhong, Jhin-Ci
Yen, Ying-Chieh
電信工程研究所
Institute of Communications Engineering
關鍵字: GaAs;transformer;stock transformer;interleave transformer;symmetrical transformer
公開日期: 1-Nov-2008
摘要: In this article, stacked transformers, coupling stacked transformers, interleave transformers, and symmetrical transformers on GaAs substrate are systematically studied. Two kinds of stacked transformer are under study. One has the symmetrical electric property while the other one has a better quality factor for the primary port. The stack transformers have achieved the highest coupling coefficient (similar to 0.9) at the cost of lower self-resonance frequency. The interleave transformers have the identical electrical properties for the primary and the secondary ports. However, the layout is incompatible with the differential operation. Oil the other hand, the symmetrical transformer is compatible with the differential operation (aid call have the center-tapped biasing option. The data established here provides a useful design library for the GaAs RFIC. (C) 2008 Wiley Periodicals, Inc.
URI: http://dx.doi.org/10.1002/mop.23853
http://hdl.handle.net/11536/8220
ISSN: 0895-2477
DOI: 10.1002/mop.23853
期刊: MICROWAVE AND OPTICAL TECHNOLOGY LETTERS
Volume: 50
Issue: 11
起始頁: 2937
結束頁: 2942
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