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An 874 GHz fundamental balanced mixer based on MMIC membrane planar Schottky diodes

机译:基于MMIC薄膜平面肖特基二极管的874 GHz基本平衡混频器

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摘要

We present here the design, fabrication and test of a novel 874 GHz Fundamental Balanced Mixer based on MMIC membrane planar Schottky diodes. The device includes an integrated DC bias circuit in order to reduce the amount of LO power required to pump the mixer. The mixer performance are best DSB mixer noise temperature of 2660 K at 865.8 GHz and best DSB mixer conversion losses of 8.02 dB at 862.2 GHz for room temperature operation. When cooled to 120 K ambient temperature, the best DSB mixer noise temperature drops down to 1910 K. Although at least 1 mW of LO power is required to optimally pump the mixer, performance are still acceptable with only 0.5 mW. To the authors' knowledge, these results are state-of-the-art.
机译:我们在此介绍基于MMIC膜平面肖特基二极管的新型874 GHz基本平衡混频器的设计,制造和测试。该器件包括一个集成的直流偏置电路,以减少泵送混频器所需的本振功率。混频器的性能是:在室温下,在865.8 GHz下,最佳DSB混频器噪声温度为2660 K,在862.2 GHz下,最佳DSB混频器转换损耗为8.02 dB。当冷却到120 K环境温度时,最佳DSB混频器的噪声温度降至1910K。尽管需要至少1 mW的LO功率才能最佳地泵送混频器,但仅0.5 mW的性能仍然可以接受。据作者所知,这些结果是最新的。

著录项

  • 来源
  • 会议地点 Oxford and Didcot(GB);Oxford and Didcot(GB)
  • 作者单位

    NASA- Jet Propulsion Laboratory, California Institute of Technology,4800 Oak Grove Drive, PASADENA, CA, 91101, USA;

    Observatoire de Paris, LERMA, University PMcurie, Paris-VI. 77 avenue Denfert-Rochereau, 75014 Paris, France;

    NASA- Jet Propulsion Laboratory, California Institute of Technology,4800 Oak Grove Drive, PASADENA, CA, 91101, USA;

    NASA- Jet Propulsion Laboratory, California Institute of Technology,4800 Oak Grove Drive, PASADENA, CA, 91101, USA;

    NASA- Jet Propulsion Laboratory, California Institute of Technology,4800 Oak Grove Drive, PASADENA, CA, 91101, USA;

    NASA- Jet Propulsion Laboratory, California Institute of Technology,4800 Oak Grove Drive, PASADENA, CA, 91101, USA;

    European Space and Technology Center (ESA/ESTEC), Noordwijk 2201 AG, The Netherlands;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 微波与超高频技术;
  • 关键词

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