THEORETICAL CONSIDERATIONS FOR THZ SIS MIXERS

被引：26

作者：

FELDMAN, MJ

机构：

[1] Univ of Virginia, Charlottesville,, VA, USA, Univ of Virginia, Charlottesville, VA, USA

来源：

INTERNATIONAL JOURNAL OF INFRARED AND MILLIMETER WAVES | 1987年 / 8卷 / 10期

关键词：

SIGNAL RECEIVERS - Theory;

D O I：

10.1007/BF01011080

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：

In this paper we examine what is known and what is not known about the behavior of submillimeter SIS mixers. Data indicate that for low frequency SIS mixers, Josephson 'drop-back' noise occurs at low dc bias voltage when the instantaneous voltage switches to zero during each rf cycle. A simplistic extrapolation of this effect gives an upper frequency limit of roughly omega //g//a//p/2 for SIS mixing. It is now clear that drop-back noise can be avoided up to at least omega //g//a//p.

引用

页码：1287 / 1292

页数：6

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