Development of a Waveguide-Type Dual-Polarization Sideband-Separating SIS Receiver System in 100 GHz Band for the NRO 45m Telescope

@inproceedings{Nakajima2008DevelopmentOA,
  title={Development of a Waveguide-Type Dual-Polarization Sideband-Separating SIS Receiver System in 100 GHz Band for the NRO 45m Telescope},
  author={Taku Nakajima and Takeshi Sakai and Shin’ichiro Asayama and Kimihiro Kimura and Masayuki Kawamura and Yoshinori Yonekura and Hideo Ogawa and Nario Kuno and Takashi Noguchi and Masato Tsuboi and Ryohei Kawabe},
  year={2008}
}
We developed a waveguide-type dual-polarization sideband-separating SIS receiver system of the 100-GHz band for the 45-m radio telescope at the Nobeyama Radio Observatory, Japan. This receiver is composed of an orthomode transducer and two sideband-separating SIS mixers, which are both based on the waveguide technique. The receiver has four intermediate frequency (IF) bands of 4.0--8.0 GHz. Over the radio frequency range of 80--120 GHz, the singlesideband receiver noise temperatures are 50--100… CONTINUE READING

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