基于非对称DGS的CPW滤波器设计

M. Kulkarni, A. Cheeran, K. P. Ray, S. Kakatkar
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引用次数: 3

摘要

设计制作了两种基于矩形哑铃形对称dgs (SDGS)和非对称dgs (ADGS)的共面波导(CPW)低通滤波器结构。对于所设计的滤波器,提取了等效RLC参数。根据截止频率、通频带宽度、通频带插入损耗、谐振频率衰减等参数对这些滤波器进行了性能评估。所制备的CPW-ADGS滤波器通带宽度为0.9 GHz,谐振频率衰减为-23 dB。IE3D仿真结果和理论结果与实测结果吻合较好。
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Design of a novel CPW filter using asymmetric DGS
Two coplanar waveguide (CPW) low pass filter configurations based on rectangular dumbbell shaped Symmetric-DGS (SDGS) and Asymmetric-DGS (ADGS) have been designed and fabricated. For the designed filters, the equivalent RLC parameters have been extracted. Performance assessment of these filters has been carried out based on various parameters like, cut-off frequency, pass-band width, pass-band insertion loss, attenuation at resonant frequency, etc. The fabricated CPW-ADGS filter shows pass-band width of 0.9 GHz with attenuation at resonant frequency of -23 dB. IE3D simulation results and theoretical results show good agreement with measured results.
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