研究目的
To design a wideband substrate integrated waveguide (SIW) filtering power divider (FPD) that meets the requirements for miniaturization and integration with other microwave circuits.
研究成果
A wideband FPD based on SIW is designed, covering from 7.15GHz to 7.95GHz with a center frequency of 7.5GHz and a fractional bandwidth of 10.6%. This FPD is easy to integrate with other planar circuits.
研究不足
The design is based on simulation results and may require further optimization and testing in practical applications.
1：Experimental Design and Method Selection:
The FPD is designed using two SIW rectangular cavities and one HMSIW triangular cavity cascade. The coupling of adjacent SIW cavities is realized by opening the coupling window at the intermediate position on the common surface.
2：Sample Selection and Data Sources:
The design is simulated using Ansys HFSS software.
3：List of Experimental Equipment and Materials:
Rogers RT/duroid 5880 substrate with a dielectric constant of 2.2 and loss tangent of 0.
4：2 and loss tangent of Experimental Procedures and Operational Workflow:
0009.
4. Experimental Procedures and Operational Workflow: The physical dimensions of the structure are optimized using HFSS. The frequency response of the FPD is analyzed.
5：Data Analysis Methods:
The simulated results are analyzed for return loss and insertion loss in the passband.
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