| Record |
Author  |
Ozhegov, R. V.; Okunev, O. V.; Gol’tsman, G. N.; Filippenko, L. V.; Koshelets, V. P. |
| Title |
Noise equivalent temperature difference of a superconducting integrated terahertz receiver |
Type |
Journal Article |
| Year |
2009 |
Publication |
J. Commun. Technol. Electron. |
Abbreviated Journal |
J. Commun. Technol. Electron. |
| Volume |
54 |
Issue |
6 |
Pages |
716-720 |
| Keywords |
SIS mixer SIR NETD, FFO, harmonic mixer |
| Abstract |
The dependence of the noise equivalent temperature difference (NETD) of a superconducting integrated receiver (SIR) on the receiver noise temperature and the inputsignal level has been investigated. An unprecedented NETD of 13±2 mK has been measured at a SIR noise temperature of 200 K, intermediate-frequency bandwidth of 4 GHz, and time constant of 1 s. With a decrease in the input signal, an improvement in the NETD is observed. This effect is explained by a reduction in the influence of the instabilities of the receiver power supply and the amplification circuit that occur when the input signal is decreased. |
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Edition |
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| ISSN |
1064-2269 |
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no |
| Call Number |
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Serial |
1400 |
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