铌代钽滤波器辐射导纳和静电容的计算方法  

The Computation Method of Radiation Admittances and Static Capacitances for the Filters Consisting of Cutted IDT

作　　者：陶雄强[1] 陈抗生[1] 贝伟斌[1] 陈伟英[1] 

机构地区：[1]浙江大学信息与电子工程系,浙江德清电子器材厂

出　　处：《压电与声光》1996年第2期80-82,共3页Piezoelectrics & Acoustooptics

摘　　要：指出了铌代钽滤波器辐射导纳和静电容的计算方法，给出了计算实例。结果表明，二分节后变迹换能器辐射导纳和静电容约等于分节前的１／４。In the paper, the computing method and examples of radiation admittances andstatic capacitances for the filters consisting of cutted interdigital transducers(IDT) are given out.The radiation admittances and static capacitances of cutted apodized IDT are almost 1/4 of that ofno cutted apodized IDT.

关 键 词：导纳 静电容 声表面波 滤波器 计算 

分 类 号：TN713.02[电子电信—电路与系统] TN65