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The Study of Application of Microwave Dielectric Ceramics Used to High Attenuation in the Stopand Low Insertion Dielectric Filters

WU Jianqiang, LIU Weiliang,＊WU Yiqiang, LI Yiansun, XIAO Zunwen

( Jingdezhen Ceramic Institute, ＊Nanchang University)

Abstract:  The effects of composition of ZST system microwave ceramic on dielectric properties are studied .The method of ZST system microwave ceramic which is added by ZnO to make high attenuation in the stepband low insertion dielectric filters is provided .The main factors which effect insertion of filters are analyzed .The results of the samples reveal that their electric properties can meet the demands of design .

Key words:  ZST system microwave ceramics, high attenuation, in the stopband dielectric filter, application .


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