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Author |
Feldman, M. J.; Rudner, S. |
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Title |
Mixing with SIS arrays |
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1983 |
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Reviews of Infrared and Millimeter-Waves |
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1 |
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47 |
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232 |
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Author |
Rothermel, H.; Käufl, H. U.; Yu, Y. |
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Title |
A heterodyne spectrometer for astronomical measurements at 10 micrometers |
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1983 |
Publication |
Astron. Astrophys. |
Abbreviated Journal |
A&A |
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126 |
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387-392 |
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astronomical spectroscopy, infrared astronomy, infrared spectrometers, optical heterodyning, infrared telescopes, laser spectrometers, mars (planet), venus (planet) |
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453 |
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Author |
Tokunaga, Alan T. |
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Title |
High resolution infrared spectroscopy of planetary atmospheres |
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Year |
1983 |
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Astron. Soc. Pacific. Pub. |
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95 |
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691-699 |
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454 |
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ГОСТ 19.401-78. ЕСПД. Текст программы. Требования к содержанию и оформлению |
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1983 |
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1 |
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gost, detproj |
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RPLAB @ s @ |
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891 |
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Author |
Archer, J. W. |
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Title |
Multiple mixer, cryogenic receiver for 200-350 GHz |
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Journal Article |
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Year |
1983 |
Publication |
Rev. Sci. Instrum. |
Abbreviated Journal |
Rev. Sci. Instrum. |
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Volume |
54 |
Issue |
10 |
Pages |
1371-1376 |
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Keywords |
Schottky, mixer, noise temperature |
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Abstract |
This paper describes a new 200–350-GHz dual polarization heterodyne radiometer receiver for radio astronomy applications. The receiver incorporates four pairs of cryogenically cooled Schottky-barrier diode single-ended mixers, each pair covering a 30–40-GHz subband of the full operating band. Each mixer, with its IF amplifier, is mounted in an individual cryogenic subdewar comprising a separate vcuum chamber and a cold stage, which may be readily thermally connected to or disconnected from the main refrigerator by a novel mechanical heat switch. A dual polarization LO diplexer is mounted on a rotary table above the subdewars. For band selection, the two diplexer rf output ports may be positioned over any of the four pairs of subdewars. The SSB receiver noise temperatues achieved are less than 500 K between 200 and 240 GHz, less than 800 K between 245 and 275 GHz and 1500 K at 345 GHz. |
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589 |
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