800-MHZ HIGH-PERFORMANCE SAW FILTER USING NEW RESONANT CONFIGURATION

被引：18
作者：
HIKITA, M
KOJIMA, H
TABUCHI, T
KINOSHITA, Y
机构：
[1] Hitachi Ltd, Tokyo, Jpn, Hitachi Ltd, Tokyo, Jpn
来源：
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 1985年 / 33卷 / 06期
关键词：
COMPUTER SIMULATION - TELEPHONE EXCHANGES; MOBILE; -; Components; TRANSDUCERS;
D O I：
10.1109/TMTT.1985.1133107
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 high-performance surface-acoustic-wave (SAW) filter for use in mobile telephones is presented. The design for the actual realization of the filter is examined, from the filter configuration to the final device operation. A low-loss weighting technique in an interdigital transducer, a resonant structure, computer simulation procedures, and material properties are treated. Experimental results with this SAW filter included an 830-MHz center frequency, 3% bandwidth, insertion loss as low as 3. 5 4. 0 dB, and 50-dB sidelobe suppression filter.
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页码：510 / 518
页数：9
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