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"Planar Dual-Band Branch-Line Coupler With Large Frequency Ratio."
Lei Xia et al. (2020)
- Lei Xia, Jia-Lin Li, Baidenger Agyekum Twumasi, Peng Liu, Shan-Shan Gao:
Planar Dual-Band Branch-Line Coupler With Large Frequency Ratio. IEEE Access 8: 33188-33195 (2020)
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