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- Title
3.4 GHz频率的S波段SAW滤波器.
- Authors
白涛; 董加和; 马晋毅; 蒋世义; 郑泽渔; 陈尚权; 米佳; 冷俊林; 陈彦光; 杨桃均; 刘建国
- Abstract
An S band surface acoustic wave(SAW) filter with center frequency of 3. 4 GHz was developed in this work. The filter adopted an impedance element structure composed of a new type of resonator, which can improve the resistance to electrostatic damage( ESD) protection of pyroelectric effect, and improve the power handling ability to a certain extent. Furthermore, a kind of chip scale packaging(CSP) substrate with size of 2. 0 mm X 1. 6 mm was developed. The electric connection between the chip and CSP substrate was realized by the flip-chip process, thus the electromagnetic parasitic influence was reduced. The developed S band SAW filter has center frequency of 3. 408 GHz, insertion loss of 2. 23 dB, above 30 dB the stop band suppression of greater than 30 dB at 8 GHz at the far end, the measured power handling ability of 30 dBm.
- Subjects
ACOUSTIC surface waves; BAND saws; INSERTION loss (Telecommunication); SAWS; RESONATORS; SURFACE acoustic wave sensors; AIR filters; INTERFERENCE suppression
- Publication
Piezoelectrics & Acoustooptics, 2022, Vol 44, Issue 2, p199
- ISSN
1004-2474
- Publication type
Article
- DOI
10.11977/j.issn.1004-2474.2022.02.007