低频大带宽声表面波滤波器  

Low Frequency SAW Filter with Wide Bandwith

作　　者：张晓迎[1] 张峥嵘[1] 张晓丽[1] 

机构地区：[1]四川压电与声光技术研究所,重庆400060

出　　处：《压电与声光》2005年第2期93-94,97,共3页Piezoelectrics & Acoustooptics

摘　　要：介绍了一种低频大带宽声表面波滤波器(SAWF)的设计方法,并介绍了最新研制的滤波器的性能。其中心频率16.28MHz,通带波动1.0dB,插入衰耗23dB,阻带抑制达40dB。The design method of low frequency SAW filter with wide bandwith is described.The performances of the SAW filter developed recently are also presented with center frequency of 16.28 MHz and passband ripple of (1.0 dB.) The insertion loss is 23 dB, and stopband rejection comes up to 40 dB.

关 键 词：低频带通滤波器 大带宽 体波 

分 类 号：TN65[电子电信—电路与系统]