A turnstile junction waveguide orthomode transducer

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Abstract

An orthomode transducer with a circular waveguide input and two rectangular waveguide outputs is described. The design utilizes a turnstile junction and two E-plane power combiners. A K-band version of this device has been constructed and tested. From 18 to 26 GHz, the input reflection coefficient was less than -19 dB, the cross-polarization was less than -48 dB, and the transmission loss was ∼0.15 dB. We estimate the mechanical tolerances that would be required to scale this device to the 200-270-GHz band for use in a dual-polarization radio-astronomy receiver. © 2006 IEEE.

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APA

Navarrini, A., & Plambeck, R. L. (2006). A turnstile junction waveguide orthomode transducer. In IEEE Transactions on Microwave Theory and Techniques (Vol. 54, pp. 272–277). https://doi.org/10.1109/TMTT.2005.860505

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