首页> 外文会议>European Conference on Wireless Technology; 20031008-20031010; Munich; DE >An Active Integrated Antenna (AIA) With Image Rejection
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An Active Integrated Antenna (AIA) With Image Rejection

机译:带有图像抑制功能的有源集成天线(AIA)

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摘要

A new configuration of active integrated antenna (AIA) featuring low noise and image frequency rejection is implemented. The LNAs, mixers, LO and IF hybrid coupler are integrated to a patch receiving antenna. The patch antenna performs power splitting normally done by an external RF coupler. A balanced resistive FET mixer is employed and integrated with the low noise active antenna due to its simpler biasing and low noise figure. This integrated system can produce an image rejection around 20 dB.
机译:实现了具有低噪声和镜像频率抑制功能的有源集成天线(AIA)的新配置。 LNA,混频器,LO和IF混合耦合器集成到贴片接收天线。贴片天线通常通过外部RF耦合器进行功率分配。采用了平衡电阻FET混频器,并由于其偏置更简单,噪声系数更低而与低噪声有源天线集成在一起。该集成系统可产生约20 dB的镜像抑制。

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