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Low noise beam-lead diode mixer for the 3 mm radio astronomical receiver at the metsähovi radio research station

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Abstract

A 3 mm low noise beam-lead Schottky diode mixer has been developed. At cryogenic temperatures the conversion loss is ∼ 6.3 dB, and the DSB mixer noise temperature is ∼75 K, respectively. The mixer was installed into the cooled receiver for radioastronomical observations at the Metsähovi 13.7-m radio telescope. Total DSB noise temperature of the cooled receiver with an ultra low noise HEMT IF amplifier was ∼ 110 K at 103 GHz. The tuning range of the mixer mount was from ∼ 70 GHz to ∼ 115 GHz.

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Authors and Affiliations

  1. Institute of Applied Physics of the Russian Academy of Sciences, Uljanov str. 46, 603600, Nizhny Novgorod, Russia

    Y. Dryagin, I. Lapkin, V. Vdovin & I. Zinchenko

  2. Metsähovi Radio Research Station, Helsinki University of Technology, Otakaari 5 A, SF-02150, Espoo, Finland

    K. Kuittinen, E. Oinaskallio & J. Peltonen

Authors
  1. Y. Dryagin
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  2. I. Lapkin
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  3. V. Vdovin
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  4. I. Zinchenko
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  5. K. Kuittinen
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  6. E. Oinaskallio
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  7. J. Peltonen
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Dryagin, Y., Lapkin, I., Vdovin, V. et al. Low noise beam-lead diode mixer for the 3 mm radio astronomical receiver at the metsähovi radio research station. Exp Astron 5, 279–287 (1994). https://doi.org/10.1007/BF01583701

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  • DOI: https://doi.org/10.1007/BF01583701

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