ELECTROMAGNETIC-RADIATION MIXER BASED ON ELECTRON HEATING IN RESISTIVE STATE OF SUPERCONDUCTIVE NB AND YBACUO FILMS

被引：32

作者：

GERSHENZON, EM

GOLTSMAN, GN

GOUSEV, YP

ELANTEV, AI

SEMENOV, AD

机构：

[1] Moscow State Pedagogical University, Department of Physics, Moscow, 1, M.Pirogovskaya Street Moscow

来源：

IEEE TRANSACTIONS ON MAGNETICS | 1991年 / 27卷 / 02期

关键词：

D O I：

10.1109/20.133427

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A theory of electron-heating mixer is developed, allowing to calculate all available characteristics of the device. It is shown that positive conversion gain is possible for such a mixers in the range from millimeter to near infrared wavelengths. The dynamic range and the optimum heterodyne power may be selected from a very wide interval by varying 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, possible noise temperature is 50 K. The estimation of noise temperature and output band for YBaCuO at T = 77 K yields 200 K and more than 10 GHz respectively.

引用

页码：1317 / 1320

页数：4

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