700-GHz finline mixer with threee-stage stub tuning

Ghassan Yassin; Phechit Kittara; Paul Grimes; Stafford Withington; Karl Jacobs

doi:10.1117/12.459363

17 February 2003 A 700 GHz Finline Mixer with Three Stage Stub Tuning

Ghassan Yassin, Phechit Kittara, Paul Grimes, Stafford Withington, Karl Jacobs

Proceedings Volume 4855, Millimeter and Submillimeter Detectors for Astronomy; (2003) https://doi.org/10.1117/12.459363
Event: Astronomical Telescopes and Instrumentation, 2002, Waikoloa, Hawai'i, United States

Abstract

We report the successful operation of a 700 GHz SIS finline mixer employing a Nb tunnel junction and Nb transmission lines. In particular, we discuss the properties of a new mixer feed and the influence of tuning on the mixer performance. Experimental and simulation work shows that the performance of the mixer below the superconducting gap is strongly dependent on the electrical properties of the tuning stub, while at frequencies above the gap the mixer performance is dominated by both tuning and transmission line losses.

Citation Download Citation

Ghassan Yassin, Phechit Kittara, Paul Grimes, Stafford Withington, and Karl Jacobs "A 700 GHz Finline Mixer with Three Stage Stub Tuning", Proc. SPIE 4855, Millimeter and Submillimeter Detectors for Astronomy, (17 February 2003); https://doi.org/10.1117/12.459363

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