Nazleen Syahira Mohd Suhaimi, Nor Muzlifah Mahyuddin. Bandwidth Enhancement of Branch-Line Crossover Using Etching Slot Technique for Butler Matrix. In Nor Muzlifah Mahyuddin, Nor Rizuan Mat Noor, Harsa Amylia Mat Sakim, editors, Proceedings of the 11th International Conference on Robotics, Vision, Signal Processing and Power Applications - Enhancing Research and Innovation through the Fourth Industrial Revolution, RoViSP 2021, Penang, Malaysia, 5-6 April 2021. Volume 829 of Lecture Notes in Electrical Engineering, pages 131-137, Springer, 2021. [doi]
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