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Author |
Okunev, 0.; Dzardranov, A.; Gol'tsman, G.; Gershenzon, E. |
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Performances of hot—electron superconducting mixer for frequencies less than the gap energy: NbN mixer for 100 GHz operation |
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Conference Article |
Year |
1995 |
Publication |
Proc. 6th Int. Symp. Space Terahertz Technol. |
Abbreviated Journal |
Proc. 6th Int. Symp. Space Terahertz Technol. |
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247-253 |
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NbN HEB mixers |
Abstract |
The possibilities to improve the parameters of the 100 GHz NbN HEB superconducting waveguide mixers have been studied. The device consists of a signal strip 1 gm wide by 2 Am long made of 40 A thick NbN film. The best operation point was found at 5 K, where the mixer bandwidth made up 1.5-2 GHz and the total loss diminished down to 8 dB. The critical current density has been increased up to " 40 6 A/cm 2 , the noise temperature of the receiver (DSB) has reduced down to 450 K and the local oscillator power has decreased down to -.4).1 mcV. |
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1625 |
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Hesler, J. L.; Crowe, T. W.; Bradley, R. F.; Pan, S. K.; Chattopadhyay, G. |
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The design, construction and evaluation of a 585 GHz planar Schottky mixer |
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Conference Article |
Year |
1995 |
Publication |
Proc. 6th Int. Symp. Space Terahertz Technol. |
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34-43 |
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Pasadena, Ca |
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259 |
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