Technique for low-loss and wideband surface acoustic wave filters

被引：1
|
作者：
Dai, EG [1 ]
机构：
[1] Peking Univ, Dept Elect, Natl Lab Local Fiber Opt Commun Networks & Adv Op, Beijing 100871, Peoples R China
来源：
ELECTRONICS LETTERS | 2000年 / 36卷 / 22期
关键词：
D O I：
10.1049/el:20001305
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A ring surface acoustic wave filter on high electromechanical coupling coefficient substrate is demonstrated. The insertion loss is 1.9dB and the 3dB fractional bandwidth is 30%. The filter also shows linear phase characteristics and low-passband ripples. The insertion loss is the lowest reported with such a wide bandwidth.
引用
收藏
页码：1904 / 1905
页数：2
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