Novel enhanced and miniaturized 90° coupler for 3G EH mixers

被引：1

作者：

Shamsinejad, S. ^{[1
]}

Soleimani, M. ^{[1
]}

Komjani, N. ^{[1
]}

机构：

[1] Iran Univ Sci & Technol, Dept Elect Engn, Tehran, Iran

来源：

2008 INTERNATIONAL CONFERENCE ON MICROWAVE AND MILLIMETER WAVE TECHNOLOGY PROCEEDINGS, VOLS 1-4 | 2008年

关键词：

D O I：

10.1109/ICMMT.2008.4540594

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 reports the miniaturization of a microstrip 90 degree Coupler by substituting the quarter wave transmission lines employed in conventional 90 degree coupler with its equal circuits consisting of two oblique stubs and an inductor and capacitors. Reduction of the coupler to 27% its size is reported here. This coupler is designed at 1070MHz for using in even harmonic mixers of 3G mobile receivers. Furthermore, the coupler can accurately divide the input signal by two parts with the same power and 90 degree phase difference. Also, the reflection coefficient and the isolation are as good as conventional one and coupling procedure is better than it.

引用

页码：1264 / 1267

页数：4