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发明名称
INTEGRATED CIRCUIT FOR IMPLEMENTING ACTIVE FILTERS WITHOUT EXTERNAL COMPONENTS
摘要
申请公布号
EP0241871(A3)
申请公布日期
1989.03.22
申请号
EP19870105291
申请日期
1987.04.09
申请人
CSELT CENTRO STUDI E LABORATORI TELECOMUNICAZIONI S.P.A.
发明人
GAIDANO, ROBERTO;GANDINI, MARCO;SARTORI, MARIO
分类号
H01L21/822;H01L27/04;H03H11/04;(IPC1-7):H03H11/04
主分类号
H01L21/822
代理机构
代理人
主权项
地址
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