Single- and Dual-Band Power Dividers Integrated With Bandpass Filters

  title={Single- and Dual-Band Power Dividers Integrated With Bandpass Filters},
  author={Yuan Chun Li and Quan Xue and Xiu Yin Zhang},
  journal={IEEE Transactions on Microwave Theory and Techniques},
This paper presents a novel device integrating a power divider with two bandpass filters. It is capable of splitting power and selecting frequency at the same time. The phase shift of the filter is found to be ±90° at the center frequency. Therefore, when it is matched to 70.7 Ω, it can replace the conventional quarter-wave length transmission line in the power divider. The isolation elements are loaded at the filters' open ends to get a good isolation between the output ports. As a result… CONTINUE READING
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