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A 100-GHz-band heterodyne sis receiver for the trao telescope

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Abstract

A 100-GHz-band Superconductor-Insulator-Superconductor (SIS) receiver has been developed for radio astronomy. The mixer used in this receiver has no mechanical tuning elements, such as a backshort or an E-plane tuner. The SIS junction consists of an array of four Nb/Al-AIOx/Nb junctions in series. The quasi-optic system for this receiver has been designed by frequency-independent matching method. The average DSB receiver noise temperature measured in the frequency range from 85 to 115 GHz is 40 K. The receiver is being successfully operated at the Taeduk Radio Astronomy Observatory in Korea.

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Authors and Affiliations

  1. Taeduk Radio Astronomy Observatory (TRAO), Hwaamdong, Yusunggu, 305-345, Taejon, Korea

    Seog-Tae Han, Chang-Hoon Lee & Hyo-Ryoung Kim

  2. Department of Radio Sciences and Engineering, Chungnam National University, 305-764, Taejon, Korea

    Dong-Chul Park

Authors
  1. Seog-Tae Han
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  2. Chang-Hoon Lee
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  3. Hyo-Ryoung Kim
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  4. Dong-Chul Park
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Han, ST., Lee, CH., Kim, HR. et al. A 100-GHz-band heterodyne sis receiver for the trao telescope. Int J Infrared Milli Waves 17, 105–119 (1996). https://doi.org/10.1007/BF02088186

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  • DOI: https://doi.org/10.1007/BF02088186

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