| Records |
| Author |
Gol'tsman, G. N.; Karasik, B. S.; Okunev, O. V.; Dzardanov, A. L.; Gershenzon, E. M.; Ekstrom, H.; Jacobsson, S.; Kollberg, E. |
| Title |
NbN hot electron superconducting mixers for 100 GHz operation |
Type |
Journal Article |
| Year |
1995 |
Publication |
IEEE Trans. Appl. Supercond. |
Abbreviated Journal |
IEEE Trans. Appl. Supercond. |
| Volume |
5 |
Issue |
2 |
Pages |
3065-3068 |
| Keywords |
NbN HEB mixers |
| Abstract |
NbN is a promising superconducting material for hot-electron superconducting mixers with an IF bandwidth larger than 1 GHz. In the 1OO GHz frequency range, the following parameters were obtained for 50 /spl Aring/ thick NbN films at 4.2 K: receiver noise temperature (DSB) /spl sim/1000 K; conversion loss /spl sim/10 dB; IF bandwidth /spl sim/1 GHz; and local oscillator power /spl sim/1 /spl mu/W. An increase of the critical current of the NbN film, increased working temperature, and a better mixer matching may allow a broader IF bandwidth up to 2 GHz, reduced conversion losses down to 3-5 dB and a receiver noise temperature (DSB) down to 200-300 K. |
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1051-8223 |
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About LO power required |
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255 |
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Hans Ekstrom; Karasik, Boris S.; Kollberg, Erik L.; Sigfrid Yngvesson |
| Title |
Conversion gain and noise of niobium superconducting hot–electron–mixers |
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Journal Article |
| Year |
1995 |
Publication |
IEEE Trans. Appl. Supercond. |
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| Volume |
43 |
Issue |
4 |
Pages |
938-947 |
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Nb HEB mixers |
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254 |
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| Author |
Kerr, A. R. |
| Title |
Some fundamental and practical limits on broadband matching tocapacitive devices, and the implications for SIS mixer design |
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Journal Article |
| Year |
1995 |
Publication |
IEEE Trans. Microw. Theory Techn. |
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43 |
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1 |
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2-13 |
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256 |
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de Lange, G.; Kuipers, J. J.; Klapwijk, T. M.; Panhuyzen, R. A.; van de Stadt, H.; de Graauw, M. W. M. |
| Title |
Superconducting resonator circuits at frequencies above the gap frequency |
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Journal Article |
| Year |
1995 |
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J. Appl. Phys. |
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77 |
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4 |
Pages |
1795-1804 |
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257 |
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Parvitte, B.; Thomas, X.; Courtois, D. |
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Wide band (2.5 GHz) infrared heterodyne spectrometer |
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Journal Article |
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1995 |
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Int. J. Infrared and Millimeter Waves |
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16 |
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9 |
Pages |
1533-1540 |
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HgCdTe detector mixer |
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0195-9271 |
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no |
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470 |
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