Design for Operation in Two Frequency Bands by Division of the Coupled Region in a Waveguide 2-Plane Coupler
Author:
Affiliation:
1. Department of Electrical and Electronic Engineering, Tokyo Institute of Technology
2. NTT Access Network Service Systems Laboratories, the NTT Corporation
Publisher
Institute of Electronics, Information and Communications Engineers (IEICE)
Subject
Electrical and Electronic Engineering,Electronic, Optical and Magnetic Materials
Link
https://www.jstage.jst.go.jp/article/transele/E105.C/12/E105.C_2022ECP5004/_pdf
Reference36 articles.
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3. [3] M. Bona, L. Manholm, J.P. Starski, and B. Svensson, “Low-loss compact Butler matrix for microstrip antenna,” IEEE Trans. Microw. Theory Techn., vol.50, no.9, pp.2069-2075, Sept. 2002. DOI: 10.1109/TMTT.2002.802318 10.1109/tmtt.2002.802318
4. [4] S. Yamamoto, J. Hirokawa, and M. Ando, “A Half-Sized Post-Wall Short-Slot Directional Coupler with Hollow Rectangular Holes in a Dielectric Substrate,” IEICE Trans. Electron., vol.E88-C, no.7, pp.1387-1394, July 2005. DOI: 10.1093/ietele/e88-c.7.1387 10.1093/ietele/e88-c.7.1387
5. [5] T. Tomura, D.-H. Kim, M. Wakasa, Y. Sunaguchi, J. Hirokawa, and K. Nishimori, “A 20-GHz-Band 64×64 Hollow Waveguide Two-Dimensional Butler Matrix,” IEEE Access, vol.7, pp.164080-164088, Nov. 2019. DOI: 10.1109/ACCESS.2019.2952933 10.1109/access.2019.2952933
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