Distributed and Lumped-Element Realizations of Wideband Branch-Line Hybrids with Arbitrary Power Division

被引：0
|
作者：
Lin, Tsu-Wei [1 ]
Chiou, Yi-Chyun [1 ]
Kuo, Jen-Tsai [1 ]
机构：
[1] Natl Chiao Tung Univ, Inst Commun Engn, 1001 Tahsueh Rd, Hsinchu 300, Taiwan
来源：
APMC: 2009 ASIA PACIFIC MICROWAVE CONFERENCE, VOLS 1-5 | 2009年
关键词：
Arbitrary power division; branch-line coupler; lumped element; microstrip circuit; transmission-line theory; DESIGN; COUPLERS; PLANAR;
D O I：
暂无
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：
A two-section branch-line coupler with an arbitrary output power division is realized by lumped and distributed elements. Based on the transmission line theory, as well as the basic circuit theory, transcendental equations are derived and formulated to determine its circuit parameters. For circuit miniaturization, the transmission-line sections are replaced by either a lumped pi-network and realized with lumped capacitors. Several design curves are provided for ease of circuit implementation. Two circuits with output power division ratios vertical bar Delta vertical bar= 3 dB are fabricated and measured.
引用
收藏
页码：2112 / +
页数：2
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