Reconfigurable and Tunable Filters with Flexible Frequency and Bandwidth Response Characteristics for Wireless Handsets and Mobile Terminals

被引:0
作者
Deng, Ya [1 ]
Wu, Ke [1 ]
机构
[1] Univ Montreal, Ecole Polytech, Ctr Radiofrequency Elect Res CREER Quebec, Poly GRAMES Res Ctr, Montreal, PQ H3T 1J4, Canada
来源
2013 IEEE INTERNATIONAL WIRELESS SYMPOSIUM (IWS) | 2013年
关键词
PIN diode; varactor diode; tunable filter; reconfigurable filter; switchable filter;
D O I
暂无
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
Various compact reconfigurable and tunable filters for wireless handsets and mobile terminals covering most of popular wireless bands are studied and demonstrated in this work. Techniques for center frequency tuning coupled with bandwidth control features including the enabling of increasing fractional bandwidth and constant absolute bandwidth (ABW) are shown. Techniques for bandwidth reconfiguration with widely variable bandwidth states, convenient control of inter-resonator coupling as well as input and output coupling, are investigated. Tunable filter capable of switching from dual band to mono-band, selectivity enhancement and independent control of both frequency bands is also illustrated.
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页数:4
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