☆ 4.6 Article

An Ultra-Compact Full-Band Waveguide Quadrature Hybrid Coupler

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS (2022)

On the Accurate Full Characterization of Septum Polarizers Through Simple Amplitude Measurements in Back-to-Back Configuration

Juan Luis Cano et al.

Summary: This article introduces an easy and accurate technique for the full characterization of septum polarizers in back-to-back configuration through standard amplitude/power measurements at the rectangular waveguide ports. The methodology has been successfully validated for two different designs at Ku-band.

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES (2021)

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Article Engineering, Electrical & Electronic

Waveguide Hybrid Septum Coupler

Nelson J. G. Fonseca et al.

Summary: The patented broadwall waveguide hybrid coupler, derived from the working principle of a septum polarizer, provides a good starting point for optimization purposes by detailing its working principle and linking it with the well-known 3 dB tandem coupler. The prototype designed within the frequency range of 17.3-20.2 GHz shows promising performance results, making it suitable for designing advanced feed systems and beamforming networks.

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES (2021)

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Article Astronomy & Astrophysics