A hot-spot mixer model for phonon-cooled NbN hot electron bolometric mixers

被引：18
|
作者：
Merkel, H [1 ]
Khosropanah, P [1 ]
Yagoubov, P [1 ]
Kollberg, E [1 ]
机构：
[1] Chalmers Univ Technol, Dept Microwave Elect, S-41296 Gothenburg, Sweden
来源：
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 1999年 / 9卷 / 02期
关键词：
D O I：
10.1109/77.783951
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：
Based on a one dimensional heat transport equation for the electrons in a super-conducting hot electron bolometer (HEB) a model for a hot spot mixer is set up. The hot spot parameters are applied in a small signal oscillator model predicting IV curves and conversion gain. Besides its normal resistance and its IF bandwidth a HEB around its optimal operating point is sufficiently characterized by its hot spot length as a function of heating power. All mixer properties can be derived from this parameter set.
引用
收藏
页码：4201 / 4204
页数：4
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