A New Circular Polarization Metamaterial Ferrite Phase Shifter | ||
| Journal of Communication Engineering | ||
| مقاله 8، دوره 8، شماره 1 - شماره پیاپی 16، فروردین 2019، صفحه 104-115 اصل مقاله (699.79 K) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22070/jce.2019.4020.1126 | ||
| نویسندگان | ||
| Meisam Shafaee1؛ Seyyed Mohamad Javad Razavi* 2؛ Emad Hamidi3 | ||
| 1MUT university | ||
| 2Department of Electrical and Electronics Engineering, Malek Ashtar University, P. O. Box 1774-15875, Tehran, Iran. | ||
| 3Malek Ashtar University of Technology | ||
| چکیده | ||
| In this paper, a new X band Metamaterial (MTM) based ferrite phase shifter is presented. The phase shifter is excited by circular polarized wave base on combination of TE10 and TE01 modes in a square waveguide. In order to synthesize negative refractive index metamaterial (NIM), negative permeability of ferrite slabs in extraordinary mode is mixed with the negative permitivity of printed periodic metallic wires on substrate, in the same frequency band. By using the introduced new circular polarized MTM based layout, the proposed phase shifter loss is less than 3 dB, which treated the main disadvantage of MTM waveguide phase shifters with about 10 dB loss. Also, the proposed phase shifter profits the miniaturization property of MTM design usage. The total length of the phase shifter is 2 cm with 360° differential phase shift, compared to common dual mode phase shifter with 6 cm length in X band. | ||
| کلیدواژهها | ||
| Phase shifter؛ metamaterial؛ circular polarization؛ insertion loss؛ and miniaturization | ||
| مراجع | ||
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