A Low-Insertion Loss Cryogenic Edge-Mode Isolator With 18 GHz Bandwidth
Lingzhen Zeng,
Cheuk-Yu Edward Tong,
Scott N. Paine
Abstract:Cryogenic isolators play an important role in low-noise receiver systems widely employed in millimeter and submillimeter telescopes. To enable a significantly wider Intermediate Frequency (IF) bandwidth, there is strong demand for a wideband, low-loss isolator in modern facilities like the Submillimeter Array (SMA) and Atacama Large Millimeter/submillimeter Array (ALMA). In this article, we present a novel cryogenic edge-mode isolator that incorporates an innovative circuit design. Operating at a cryogenic tem… Show more
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