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Linear to Circular Polarizers

Linear to circular polarizers are offered as either fixed or switchable with a circular waveguide interface. The fixed polarizers are used to convert a linearly polarized waveform into a circularly polarized waveform or vice versa. The direction of the circularly polarized waveform (left-handed or right-handed) is dependent on the orientation of the input signal. The switchable polarizers can be manually switched to convert a linearly polarized waveform into a circularly polarized waveform or to allow the signal through without changing the polarization of the input waveform. When used with circular to rectangular waveguide mode transitions (SWT series) and orthomode transducers (SAT series), these polarizers can enhance the application of various antennas. The standard offering covers the frequency range of 18 to 110 GHz, and the typical bandwidth of the polarizers is 15% of the full waveguide band with a 1.0 dB axial ratio degradation. Models with a broader bandwidth, up to the full waveguide band, are available as custom designs.

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