L波段可调谐带通滤波器技术的研究
摘要
可调谐微波滤波器能够在很大程度上改善现在及未来微波系统的通信容量等关键问题,其重要性正吸引着人们越来越多的关注来对其进行研究和开发。利用材料的高Q值、低损耗特性,研制一种高性能通带可调谐的带通滤波器,实现了在L波段通带频率可调谐、具有通带内插损小、调谐范围灵活,在1.29GHz-1.436GHz连续可调谐的滤波器,可在原有滤波器基础上将滤波器通带范围向高频或者低频任意方向调谐移动的特点,并对电调微波带通滤波器的未来发展进行了展望。
Tunable microwave filters can improve the communication capacity of present and future microwave systems to a great extent, and its importance is attracting more and more attention for its research and development. Taking advantage of the high Q value and low loss of the material, a high performance passband tunable band-pass filter is developed, which achieves tunable frequency, low passband interpolation loss and flexible tunable range in L-band. The tunable filter at 1.29 GHz~1.436 GHz can shift the passband range of the filter to any direction of high frequency or low frequency. The future development of the electrically modulated microwave bandpass filter is prospected.
Tunable microwave filters can improve the communication capacity of present and future microwave systems to a great extent, and its importance is attracting more and more attention for its research and development. Taking advantage of the high Q value and low loss of the material, a high performance passband tunable band-pass filter is developed, which achieves tunable frequency, low passband interpolation loss and flexible tunable range in L-band. The tunable filter at 1.29 GHz~1.436 GHz can shift the passband range of the filter to any direction of high frequency or low frequency. The future development of the electrically modulated microwave bandpass filter is prospected.
引文
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[4]羊恺,补世荣,张其劭,等.高温超导小型化多曲折线滤波器研制[J].科学通报,2002(18):1378-1380.
[5]Sa X,Nchez-Renedo M.High-Selectivity Tunable Planar Combline Filter With Source/Load-Multiresonator Coupling[J].Microwave and Wireless Components Letters,IEEE.2007,17(7):513-515.
[6]季来运.高温超导滤波器系统及其应用[J].电子产品世界,2008(2):137-140.
[7]李超,于涛,王佳,等.一款C波段极窄带高温超导滤波器[J].低温与超导,2010,38(11):28-31.
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