An Electronically Tunable Lumped-element Bandpass Filter with Continuous Tuning of Center Frequency and Bandwidth

被引：0
|
作者：
Baskakova, Alexandra [1 ]
Turgaliev, Viacheslav [1 ]
Kholodnyak, Dmitry [1 ]
机构：
[1] St Petersburg Electrotech Univ LETI, Dept Microelect & Radio Engn, Microwave Microelect Lab, St Petersburg, Russia
来源：
2016 21ST INTERNATIONAL CONFERENCE ON MICROWAVE, RADAR AND WIRELESS COMMUNICATIONS (MIKON) | 2016年
关键词：
Bandpass filters; lumped elements; tunability;
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：
Tunability of lumped-element bandpass filters on series LC-tanks with variable capacitors is analyzed. The filters are shown capable to tune continuously the center frequency and bandwidth. Conditions and constraints for keeping absolute bandwidth (ABW) and fractional bandwidth (FBW) constant are presented. Design of a three-pole varactor-tuned bandpass filter that allows a continuous tuning of the center frequency and bandwidth as well as keeping either ABW or FWB constant is demonstrated.
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页数：4
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