Compact 60-GHz IPD-Based Branch-Line Coupler for System-on-Package V-Band Radios

被引:25
作者
Haroun, Ibrahim [1 ,2 ]
Plett, Calvin [2 ]
Hsu, Yuan-Chia [3 ]
Chang, Da-Chiang [3 ]
机构
[1] Commun Res Ctr, Ottawa, ON K2J 0R2, Canada
[2] Carleton Univ, Ottawa, ON K1S 5B6, Canada
[3] Chip Implementat Ctr, Hsinchu 300, Taiwan
来源
IEEE TRANSACTIONS ON COMPONENTS PACKAGING AND MANUFACTURING TECHNOLOGY | 2012年 / 2卷 / 07期
关键词
60-GHz band; branch-line coupler; coplanar-waveguide (CPW) transmission lines; integrated passive device (IPD) technology; system-on-package (SoP);
D O I
10.1109/TCPMT.2012.2186450
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A compact 60-GHz band branch-line coupler using cpacitively loaded lower-ground coplanar-waveguide (LG-CPW) lines has been successfully demonstrated in a glass-substrate integrated passive device technology. The fabricated coupler has a size reduction of more than 83% compared to that of a conventional CPW branch-line coupler. The capacitive loading is achieved by utilizing the signal layer and the LG of the LG-CPW structure to form microstrip open-circuited stubs. The measured results show a phase error of less than 0.5 degrees between the coupler's output ports and an amplitude imbalance of less than 1.2 dB over the frequency band 57-64 GHz. The measurements also show that both the return loss and isolation are better than 25 dB at 60 GHz and better than 15 dB over the 57-64-GHz band. The proposed coupler is well suited for low-cost high-performance system-on-package V-band radio front ends for high data rate applications.
引用
收藏
页码:1070 / 1074
页数:5
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