Filtering Antenna Based on Substrate Integrated Waveguide and Patch Resonators in LTCC

X. Zhang, Linsheng Wu, Yunlu Tang, J. Mao
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引用次数: 2

Abstract

A filtering antenna is proposed with substrate integrated waveguide and patch resonators in low temperature co-fired ceramic. It is design with the topology of coupled resonators embedded with a lowpass filter. Due to the two 45-degree linearly polarized patches, the measured gain is 7.0 dBi with the 3-dB beamwidth of 48° and the antenna efficiency of about 70% around 28 GHz. The passband bandwidth is over 2.5 GHz. The out-of-band rejection can reach 18 dBc up to 40 GHz. According to the stacked antenna-in-package form, the volume of the overall component is only $12\times 6\times 1.6\ \mathrm{mm}^{3}$.
基于衬底集成波导和贴片谐振器的LTCC滤波天线
提出了一种在低温共烧陶瓷中采用衬底集成波导和贴片谐振器的滤波天线。它是用嵌入低通滤波器的耦合谐振器的拓扑结构设计的。由于有两个45度线极化贴片,在28 GHz附近,测量到的增益为7.0 dBi, 3db波束宽度为48°,天线效率约为70%。通带带宽大于2.5 GHz。带外抑制可达18dbc,最高可达40ghz。按照封装天线堆叠形式,整体元件体积仅为$12\ × 6\ × 1.6\ \ mathm {mm}^{3}$。
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