Design of Tunable Branch-Line Coupler and Wideband Antenna
碩士 === 國立中正大學 === 電機工程研究所 === 103 === This thesis includes two parts. The first part is design of tunable branch-line coupler based on varactor diodes. By ultilizing varactor diodes on the four corners of branch-line couper, tunable operating band is achieved with good amplitude and phase difference...
Main Authors: | , |
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Other Authors: | |
Format: | Others |
Language: | zh-TW |
Published: |
2015
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Online Access: | http://ndltd.ncl.edu.tw/handle/g723b9 |