Improved bulk wave resonator coupling coefficient for wide bandwidth filters

被引:0
|
作者
Lakin, KM [1 ]
Belsick, J [1 ]
McDonald, JF [1 ]
McCarron, KT [1 ]
机构
[1] TFR Technol Inc, Bend, OR 97701 USA
关键词
D O I
暂无
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
Resonator coupling coefficient plays a key role in determining the bandwidth of acoustically or electrically coupled resonator filters. This paper presents a method using high mechanical impedance electrodes to increase the effective coupling coefficient for bulk acoustic wave (BAW) resonators in the solidly mounted resonator (SMR) or membrane (FBAR) configurations.
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页码:827 / 831
页数:5
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