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引用次数: 4
摘要
本文采用低温共烧陶瓷(LTCC)技术，采用左/右复合传输线(CRLH)结构设计宽带漏波天线。该天线单元由金属-绝缘体-金属(MIM)电容组成，实现左旋(LH)串联电容;由短短分路臂组成，实现左旋(LH)分路电感。所提出的天线具有非常紧凑的尺寸(总尺寸;24.2 mm × 25mm，单位电池尺寸p为7.2 mm, p≈λg/9)。该天线设计用于宽带和全向辐射方向图。测量结果表明，原型天线具有100%的宽阻抗带，近全向辐射方向图，最大增益为−0.3 dBi。所提出的小型天线结构可应用于射频/MMIC应用。
Composite right/left-handed transmission line leaky-wave antenna using LTCC technology
In this paper, a composite right/left-handed (CRLH) transmission line (TL) structure is used for the design of broadband leaky-wave antenna, using Low temperature co-fired ceramic (LTCC) technology. The proposed CRLH TL unit cell consists of a metal-insulator-metal (MIM) capacitor to realize left-handed (LH) series capacitance and a shorted-stub shunt arm to realize LH shunt inductance and total three cells are used for the antenna design. The proposed antenna has very compact size (total size; 24.2 mm x 25 mm, unit cell size p is 7.2 mm, p ≈ λg/9). This antenna is designed for wide bandwidth and omni-directional radiation pattern. The measured result shows that the prototype antenna has wide impedance band-width of 100 %, near omni directional radiation pattern and maximum gain of − 0.3 dBi. The proposed small antenna structure can be applied to RF/MMIC applications.
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