A 24-GHz Modular Transmit Phased Array

被引：14

作者：

Ehyaie, Danial ^{[1
]}

Mortazawi, Amir ^{[1
]}

机构：

[1] Univ Michigan, Dept Elect Engn & Comp Sci, Ann Arbor, MI 48109 USA

来源：

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2011年 / 59卷 / 06期

关键词：

Beam steering; extended-resonance technique; heterodyne; modular; phase shift; phased array; power dividing; scan angle; transmitter; ANTENNA; OSCILLATOR;

D O I：

10.1109/TMTT.2011.2140122

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 a 24-GHz modular transmit phased array based on the extended-resonance technique. The extended-resonance technique, capable of obviating the need for separate power divider and phase shifters, is utilized along with heterodyne mixing in the proposed phased array. Heterodyne mixing allows phase shifting to be performed at lower frequencies. A modular approach is exploited to realize a scalable phased-array design. The design complexity associated with large phased arrays can be significantly reduced by using this approach. Moreover, a modified extended-resonance circuit topology to enhance the scan range is proposed. As a proof-of-principle, the 24-GHz transmit phased array is fabricated and the measurement results are presented.

引用

页码：1665 / 1672

页数：8

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