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引用第5楼hainingkim于2011-01-08 13:51发表的 : fp2uk3Bm[ 楼主,我觉得应该是先将端口阻抗设置成芯片的共轭值,这相当于接了一个匹配负载,然后调节天线的尺寸使之在915MHz谐振,并在UHF频段S11<-10dB。 f"aqg/l
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