| DOI | Trouver le DOI : https://doi.org/10.1109/TMTT.2014.2309551 |
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| Auteur | Rechercher : Henke, Doug1; Rechercher : Claude, Stéphane1 |
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| Affiliation | - Conseil national de recherches du Canada. Infrastructure scientifique nationale
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| Format | Texte, Article |
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| Sujet | Cryogenics; Millimeter waves; Polarization; Radio astronomy; Signal receivers; Assembly features; Cryogenic temperatures; Low cross polarization; Millimeter-wave receivers; Ortho-mode transducers; Polarization splitters; Receiver noise; Turnstile junctions; Transducers |
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| Résumé | The turnstile junction exhibits very low cross-polarization leakage and is suitable for low-noise millimeter-wave receivers. For use in a cryogenic receiver, it is best if the orthomode transducer (OMT) is implemented in waveguide, contains no additional assembly features, and may be directly machined. However, machined OMTs are prone to sharp signal drop-outs that are costly to overall performance since they show up directly as spikes in receiver noise. We explore the various factors contributing to this degradation and discuss how the current design mitigates each cause. Final performance is demonstrated at cryogenic temperatures. |
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| Date de publication | 2014-04 |
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| Dans | |
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| Langue | anglais |
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| Publications évaluées par des pairs | Oui |
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| Numéro NPARC | 21272674 |
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| Exporter la notice | Exporter en format RIS |
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| Signaler une correction | Signaler une correction (s'ouvre dans un nouvel onglet) |
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| Identificateur de l’enregistrement | 022d15ae-5ffe-4cc2-9b45-ee761918a48b |
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| Enregistrement créé | 2014-12-03 |
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| Enregistrement modifié | 2020-04-22 |
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