Development of a 500-GHz band SIS mixer

被引：19
|
作者：
Shi, SC [1 ]
Noguchi, T [1 ]
Inatani, J [1 ]
机构：
[1] NOBEYAMA RADIO OBSERV,MINAMISA KU,NAGANO 38413,JAPAN
来源：
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 1997年 / 7卷 / 02期
关键词：
D O I：
10.1109/77.621768
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：
This paper presents detailed experimental and analytical results for a 500-GHz tuneless waveguide SIS mixer, which is incorporated with parallel-connected twin junctions. The 500-GHz SIS mixer exhibits as low an overall receiver noise temperature as 176 K at 482 GHz, despite relatively poor quality of the SIS junction. The effect of the junction subgap leakage is therefore investigated. The experimental results are finally compared to those simulated by the quantum theory of mixing.
引用
收藏
页码：2587 / 2590
页数：4
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