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- W2006510010 abstract "This paper propose highly miniaturized active 90° phase difference power divider and combiner for application to wireless communication system. The conventional passive 90° power divider and combiner cannot be integrated on MMIC because of their very large circuit size. Therefore, the highly miniaturized active 90° phase difference power divider and combiner are required for a development of highly integrated MMIC. In this paper, the highly miniaturized active 90° phase difference power divider and combiner employing InGaAs/GaAs HBT were designed, fabricated on GaAs substrate. According to the results, the circuit size of fabricated active 90° phase difference power divider and combiner were 1.67 × 0.87 mm and 2.42 × 1.05 ㎜, respectively, which were 31.6% and 2.2% of the size of conventional passive branch-line coupler. The output gain division characteristic of proposed divider circuit showed 8.4 ㏈ and 7.9 ㏈ respectively, and output phase difference characteristic showed -89.3°. The output gain coupling characteristic of proposed combiner circuit showed 9.4 dB and 10.5 ㏈ respectively, and output phase difference characteristic showed -92.6°. The highly miniaturized active 90° phase difference power divider and combiner exhibited good RF performances compared with the conventional passive branch-line coupler." @default.
- W2006510010 created "2016-06-24" @default.
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- W2006510010 date "2009-01-31" @default.
- W2006510010 modified "2023-09-24" @default.
- W2006510010 title "The Study on Highly Miniaturized Active 90°C Phase Difference Power Divider and Combiner for Application to Wireless Communication" @default.
- W2006510010 cites W2135295046 @default.
- W2006510010 cites W2165857439 @default.
- W2006510010 doi "https://doi.org/10.5916/jkosme.2009.33.1.144" @default.
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