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Author  |
Okunev, 0.; Dzardranov, A.; Gol'tsman, G.; Gershenzon, E. | ||||
| Title | Performances of hot—electron superconducting mixer for frequencies less than the gap energy: NbN mixer for 100 GHz operation | Type | Conference Article | ||
| Year | 1995 | Publication | Proc. 6th Int. Symp. Space Terahertz Technol. | Abbreviated Journal | Proc. 6th Int. Symp. Space Terahertz Technol. |
| Volume | Issue | Pages | 247-253 | ||
| Keywords | 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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| Notes | Approved | no | |||
| Call Number | Serial | 1625 | |||
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