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Design a CPW-fed Hilbert Slot Spiral Resonator in DGS for WLAN Dual-band Systems

設計一組以共平面波導饋入且具DGS希爾伯特槽孔螺繞線之諧振器俾供應用於無線區域網路雙頻系統

摘要


本文設計一組以共平面波導饋入與DGS 希爾伯特槽孔螺繞線之諧振器以作為帶通濾波器。它是經由三組不同結構的共平面波導饋入與具螺繞線之諧振器,評比所得之濾波器。此一濾波器,在2.4/5.8GHz 兩個頻段,具有低介入損耗(0.81/0.87dB)、高抑制位準(38.22/42.74dB)、寬頻寬(22.8%/36.3%)等響應特性。這個共平面波導饋入與螺繞線之諧振器,它的背面加有十字線結構,可應用於無線區域網路雙頻系統。同時,將雙頻濾波器的設計步驟呈現出來。此一濾波器,在模擬與實驗所獲得之響應特性是一致的。

並列摘要


This paper proposes the CPW-fed spiral resonators with Hilbert slot configuration in defect ground structure (DGS) for a bandpass filter (BPF). For comparison, three CPW-fed spiral filters are fabricated and measured. To obtain low insertion loss (–0.81dB/–0.87dB), high out-of-band rejection level (–38.22dB/–42.74dB) and wider bandwidth (22.8%/36.3%) of 2.4/5.8GHz frequency responses, the CPW-fed slot spiral resonators with cross line are applied for WLAN dual-band systems. The design procedure for dual-band filter is presented. The proposed filter is successfully simulated and measured to obtain the agreeable frequency responses.

並列關鍵字

Dual-bands CPW-fed Hilbert-curve

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