发明名称 SURFACE ACOUSTIC WAVE FILTER
摘要 PROBLEM TO BE SOLVED: To provide a means for decreasing ripples in the passband of the cascade connected laterally coupled duplex mode filter of a narrow band. SOLUTION: A part of electrode fingers positioned outside four reflectors of the cascade connected duplex mode filter is separated from the bus bar of reflectors and connected to a lead electrode provided along with the outside of two duplex mode SAW filters and inter-stage parallel capacity is formed.
申请公布号 JP2001237668(A) 申请公布日期 2001.08.31
申请号 JP20000043791 申请日期 2000.02.22
申请人 TOYO COMMUN EQUIP CO LTD 发明人 ISHIKAWA KAZUO
分类号 H03H9/145;(IPC1-7):H03H9/145 主分类号 H03H9/145
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