A miniaturized wideband double-sided parallel strip line (DSPSL) hybrid coupler with phase inverter
This paper presents a miniaturized wideband DSPSL hybrid coupler with phase inverter; the open-stubs are also introduced to further reduce the size of the hybrid coupler. The design strategies and procedures of the hybrid coupler are presented at first. A prototype operating at 1 GHz is fabricated f...
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Published in | Dian zi xue bao Vol. 39; no. 6; pp. 1452 - 1455 |
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Main Authors | , , |
Format | Journal Article |
Language | Chinese |
Published |
01.06.2011
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Subjects | |
Online Access | Get more information |
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Summary: | This paper presents a miniaturized wideband DSPSL hybrid coupler with phase inverter; the open-stubs are also introduced to further reduce the size of the hybrid coupler. The design strategies and procedures of the hybrid coupler are presented at first. A prototype operating at 1 GHz is fabricated for verification. The experimental results show that the size of the proposed hybrid is reduced to 11% of the conventional hybrid coupler. The relative operating bandwidth is greater than 80%, return loss at the central operating frequency is less than -20 dB, while the isolation is less than -30 dB. |
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Bibliography: | ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 |
ISSN: | 0372-2112 |