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An Integrated Sideband-Separating SIS Mixer Based on Waveguide Split Block for 100 GHz Band with 4.0–8.0 GHz IF

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Abstract

We have developed an integrated sideband-separating SIS mixer for the 100 GHz band based on the waveguide split block. The measured receiver noise temperatures with 4.0–8.0 GHz IF are less than 60 K in the LO frequency range of 90–110 GHz, and a minimum value of around 45 K is achieved at 100 GHz. The image rejection ratios are more than 10 dB in the frequency range of 90–110 GHz. We have installed the sideband-separating SIS mixer into an atmospheric ozone-measuring system at Osaka Prefecture University and successfully observed an ozone spectrum at 110 GHz in SSB mode. This experimental result indicates that the sideband-separating SIS mixer is very useful for astronomical observation as well as atmospheric observation.

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References

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Authors and Affiliations

  1. Department of Earth and Life Sciences, College of Integrated Arts and Sciences, Osaka Prefecture University, 1-1 Gakuen-Cho, Sakai-Cily, Osaka, 599-8531, Japan

    Shin'ichiro Asayama & Hideo Ogawa

  2. Nobeyama Radio Observatory, Japan

    Takashi Noguchi

  3. Instrument Development Center of School of Science, Nagoya University, Japan

    Kazuji Suzuki

  4. Toyota National College of Technology, Japan

    Hiroya Andoh

  5. Solar-Terrestrial Environment Laboratory, Nagoya University, Japan

    Akira Mizuno

Authors
  1. Shin'ichiro Asayama
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  2. Hideo Ogawa
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  3. Takashi Noguchi
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  4. Kazuji Suzuki
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  5. Hiroya Andoh
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  6. Akira Mizuno
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Asayama, S., Ogawa, H., Noguchi, T. et al. An Integrated Sideband-Separating SIS Mixer Based on Waveguide Split Block for 100 GHz Band with 4.0–8.0 GHz IF. International Journal of Infrared and Millimeter Waves 25, 107–117 (2004). https://doi.org/10.1023/B:IJIM.0000012766.63015.8c

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  • DOI: https://doi.org/10.1023/B:IJIM.0000012766.63015.8c

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