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Gershenzon, E. M.; Gol’tsman, G. N.; Gousev, Y. P.; Elant’ev, A. I.; Semenov, A. D. |
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Title |
Electromagnetic radiation mixer based on electron heating in resistive state of superconductive Nb and YBaCuO films |
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Journal Article |
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Year |
1991 |
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IEEE Trans. Magn. |
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IEEE Trans. Magn. |
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27 |
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2 |
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1317-1320 |
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YBCO, HTS, Nb HEB mixers |
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Abstract ![sorted by Abstract field, descending order (down)](img/sort_desc.gif) |
A theory of an electron-heating mixer which makes it possible to calculate all the characteristics of the device is developed. It is shown that positive conversion gain is possible for such a mixer in the millimeter to near-infrared wavelength range. The dynamic range and the optimum heterodyne power can be selected from a very wide interval by varying the mixing element volume. Measurements made for Nb within the frequency range of 120-750 GHz confirm the theory. The conversion loss obtained at T=1.6 K and normalized to the element reaches 0.3 dB in the intermediate frequency band of 40 MHz; the possible noise temperature is 50 K. The estimation of noise temperature and output band for YBaCuO at T=77 yields 200 K and more than 10 GHz, respectively. |
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1941-0069 |
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1681 |
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Hans Ekstrom; Karasik, Boris S.; Kollberg, Erik L.; Sigfrid Yngvesson |
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Title |
Conversion gain and noise of niobium superconducting hot–electron–mixers |
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Journal Article |
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1995 |
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IEEE Trans. Appl. Supercond. |
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43 |
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4 |
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938-947 |
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Nb HEB mixers |
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254 |
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Elant'ev, A. I.; Karasik, B. S. |
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Title |
Effect of high-frequency current on Nb superconductive film in resistive state |
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1989 |
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Sov. J. Low Temp. Phys. |
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Sov. J. Low Temp. Phys. |
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15 |
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7 |
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379-383 |
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Nb HEB |
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882 |
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