This approach has been used to design a broadband waveguide polarizer for the C-band antenna feed system of the Sardinia radio telescope with -40 dB Keywords?Circular polarizer, comb structure, dual-band, millimeter-band. waveguide polarizers without tuning elements have been presented [4]. C ? ?. <. <. ,. (2) where R is a circular waveguide radius, C1 and C2 are coefficients of TE11 Model SAS-153-59462-F1 is a Ku band, linear to circular polarizer that operates Polarizer 14 to 16 GHz, 1.1 Axial Ratio, 0.594" Diameter Circular Waveguide,. C Band Waveguide Polariser. Our C Band Waveguide Polariser is the highest performance method of converting circularly polarised C band signals to linear polarisation. Index Terms—Circular polarization, dual-band, waveguide, satellite Bi-Phase Polarizer. Hit/, f'4P. Band 1. Band 2. Polarization: • RHCP (C+). • LHCP (C-). 17 Jun 2016 Conceptual design of X band waveguide dual circular polarizer. Chen Xu . C is configuration of the rf mode converter on both ends (green). 11 May 2016 Progress In Electromagnetics Research C, Vol. 64, 79–87, 2016. Novel X-Band Waveguide Dual Circular Polarizer. Chen Xu. *. , Sami Tantawi (c). Fig. 1. Ridge waveguide polarizer with finite and stepped-thickness septum. . [1] for X-band waveguide has been used, except for the fact that the septumBy C. Chang, S. Church, S. G. Tantawi, P. V. Larkoski, M. Sieth, and K. Devaraj A new compact and wide-band waveguide dual circular polarizer at Ka-band is