研究目的
Designing a compact reconfigurable broadband band-stop filter based on a low-pass filter using half circle DGS resonator and multi-layer technique for L-Band and military applications.
研究成果
The paper presents a novel design of compact reconfigurable broadband band-stop filters using half circle DGS resonators and multi-layer technique, demonstrating good agreement between simulated and measured results. The filters show potential for L-band and military applications due to their compact size and sharp roll-off characteristics.
研究不足
The study focuses on the design and simulation of the filters with limited discussion on the practical challenges of fabrication and integration into real-world applications.
1：Experimental Design and Method Selection:
The design involves a two-pole low-pass and band-stop filters using half circle defected ground structure (HCDGS) resonators and a multi-layer technique for transformation from low-pass to band-stop characteristics.
2：Sample Selection and Data Sources:
The filters are simulated and fabricated on an RO4003 substrate with specific relative permittivity and thickness.
3：List of Experimental Equipment and Materials:
RO4003 substrate with relative permittivity of
4：38 and thickness of h = 813 mm, HP8719D network analyzer for measurements. Experimental Procedures and Operational Workflow:
The filters are designed, simulated using Microwave Office, fabricated, and then measured to compare with simulation results.
5：Data Analysis Methods:
The performance of the filters is analyzed based on insertion loss, return loss, and stopband rejection characteristics.
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