Design of a compact ultra wideband balanced-to-balanced power divider/combiner

Design of a compact ultra wideband balanced-to-balanced power divider/combiner
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DOI：
10.1109/apmc.2013.6695147
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发表时间：
2013-11
期刊：
2013 Asia-Pacific Microwave Conference Proceedings (APMC)
影响因子：
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通讯作者：
H. T. Duong;H. V. Le;A. Huynh;N. Tran;E. Skafidas
H. T. Duong;H. V. Le;A. Huynh;N. Tran;E. Skafidas
中科院分区：
其他
文献类型：
--
作者：
H. T. Duong;H. V. Le;A. Huynh;N. Tran;E. Skafidas

文献摘要

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提出了一种基于有限接地共面波导（FGCPW）倒相器的紧凑型超宽带平衡-平衡功率分配/合成器。通过用FGCPW倒相器代替文献[1]中的λ/2传输线，功率分配/合成器的电路尺寸从（0.75λ × 0.5λ）显著减小到（0.375λ × 0.125λ）左右。利用FGCPW反相器的宽带特性，所提出的功率分配器/合成器的3 dB分数带宽可以达到200%。A-3.7 dB差模传输系数|SDdAB|和-0.25 dB共模反射系数|SccAA|, |SccBB|已经获得。在0.1 ~ 1.75 GHz范围内，其它混合模式S参数均小于-10 dB。测量结果与仿真结果吻合较好。
A compact ultra wideband balanced-to-balanced power divider/combiner based on Finite Ground Coplanar Waveguide (FGCPW) phase inverter is presented. By replacing the λ/2 transmission lines in [1] by FGCPW phase inverters, circuit size of the power divider/combiner has been significantly reduced, from (0.75λ × 0.5λ) to about (0.375λ × 0.125λ). With the wideband property of the FGCPW phase inverter, 3-dB fractional bandwidth of the proposed power divider/combiner can be obtained up to 200%. A -3.7 dB differential-mode transmission coefficient |SddAB| and -0.25 dB common-mode reflection coefficients |SccAA|, |SccBB| have been obtained. Other mixed mode S-parameters are all less than -10 dB from 0.1 GHz to 1.75 GHz. The measurement results agreed well with the simulation results.