Modified wideband tandem couplers with arbitrary coupling coefficient and its implementation in beam-forming networks
- Publication Type:
- Conference Proceeding
- Citation:
- Asia-Pacific Microwave Conference Proceedings, APMC, 2019, 2018-November pp. 542 - 544
- Issue Date:
- 2019-01-16
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Modified wideband tandem couplers with arbitrary coupling coefficient and its implementation in beam-forming networks.pdf | Published version | 643.37 kB |
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© 2018 IEICE This paper presents a wideband quadrature coupler using a modified Tandem structure with two stages of cascaded coupled-lines. The proposed design is built in the stripline configuration, which can achieve wide operating bandwidth and excellent matching as well as high isolation across the whole band range. The proposed design with coupling coefficient of 3-dB and 1.77-dB is applied in the design of a wideband beam-forming network for wideband applications. Experimental result has been carried out, verifying that the design approach is useful for wideband applications.
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