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- Title
一种低损耗高抑制的声表面波滤波器.
- Authors
陈彦光; 董加和; 陈清华; 蒋世义; 陈华志; 李桦林; 陈尚权; 陆川; 赵雪梅
- Abstract
In this paper,a low loss and high suppression surface acoustic wave tilter is developed by the methods of pitch-modulated IDT and two acoustic channel designs. The tilter uses 64°Y-X LiNbO3 as the substrate material, its center frequency is about 475 MHz, the insertion loss s less than 2 dB, the stop band rejection s better than 60 dB and the relative bandwidth of 1 dB 1s about 5%. The developedfilter has the characteristics of low insertion loss and high stop band rejection. The results show that the design method has good practicability.
- Subjects
ACOUSTIC surface waves; INSERTION loss (Telecommunication); SOUND design; ACOUSTIC filters; ACOUSTIC wave propagation
- Publication
Piezoelectrics & Acoustooptics, 2020, Vol 42, Issue 4, p453
- ISSN
1004-2474
- Publication type
Article
- DOI
10.11977/j.issn.1004.2474.2020.04.005