Wideband Noise Measurement Technique in Duplex Systems for RF Interference

Chulsoon Hwang,David Pommerenke,Jun Fan,Takashi Enomoto,Junji Maeshima,Kenji Araki

IEEE Transactions on Electromagnetic Compatibility（2018）

引用 3|浏览2

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摘要

A wideband noise measurement technique with improved isolation is demonstrated for a practical mobile phone. The liquid crystal display (LCD) baseband noise modulated with a transmitted radio frequency (RF) signal interferes with the received RF signal, resulting in an RF desensitization problem. A wideband and simple measurement setup based on a 180° hybrid coupler is proposed and demonstrated to...

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关键词

Frequency measurement,Noise measurement,Radio frequency,Frequency modulation,Liquid crystal displays,Integrated circuits

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