Branch-line coupler using PDMS and Shieldit Super fabric conductor

被引：0
|
作者：
S. A. Babale
S. K. A. Rahim
M. Jusoh
L. Zahid
机构：
[1] Universiti Teknologi Malaysia (UTM),Wireless Communication Centre (WCC) Faculty of Electrical Engineering
[2] Universiti Malaysia Perlis,Bioelectromagnetics Research Group (BioEM), School of Computer and Communication Engineering
[3] Universiti Malaysia Perlis (UniMAP) Aras 1,Fakulti Teknologi Kejuruteraan
来源：
Applied Physics A | 2017年 / 123卷
关键词：
PDMS; Coupler; Characteristic Impedance; Return Loss; Liquid Crystal Polymer;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this paper, a new 3-dB branch-line coupler using PDMS substrate and Shieldit Super fabric conductive material is presented. The Shieldit Super fabric has low resistance less than 0.1/sq. and resulting in good conductivity. Both the simulated and fabricated coupler circuits demonstrated a 3 ± 1 dB fractional bandwidth (FBW) for the coupling as a result of the microstrip-slot created at the ground is in the range of 4.69–7.22 GHz which stands for 42.2%; while the FBW for 90° ± 5°, phase balance is in the range of 5.10–6.94 GHz or 30.70%. Within this range, both the return loss and the isolation are kept below −10 dB.
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