科学技术与工程
科學技術與工程
과학기술여공정
SCIENCE TECHNOLOGY AND ENGINEERING
2012年
21期
5296-5300
,共5页
带通滤波器%可调%RF MEMS开关%S参数
帶通濾波器%可調%RF MEMS開關%S參數
대통려파기%가조%RF MEMS개관%S삼수
band-pass filter%adjustable%RF MEMS switch%S-parameter
将RF MEMS技术应用于集总模型,设计了一个基于RF MEMS开关控制通频带的微波滤波器.该滤波器的通频带可在3.43 GHz-6.39 GHz和6.81 GHz-10.57 GHz之间切换,等效于一个滤波器实现了两个或者多个滤波器的功能,同时又可充当电路的开关.相对于传统带通滤波器,基于MEMS技术,该滤波器具备便携化、小型化和多功能化等特点,尤其是更易于系统集成.仿真结果还表明,在通频带内传输系数低于-0.5 dB,该滤波器可应用于超高频通讯系统.
將RF MEMS技術應用于集總模型,設計瞭一箇基于RF MEMS開關控製通頻帶的微波濾波器.該濾波器的通頻帶可在3.43 GHz-6.39 GHz和6.81 GHz-10.57 GHz之間切換,等效于一箇濾波器實現瞭兩箇或者多箇濾波器的功能,同時又可充噹電路的開關.相對于傳統帶通濾波器,基于MEMS技術,該濾波器具備便攜化、小型化和多功能化等特點,尤其是更易于繫統集成.倣真結果還錶明,在通頻帶內傳輸繫數低于-0.5 dB,該濾波器可應用于超高頻通訊繫統.
장RF MEMS기술응용우집총모형,설계료일개기우RF MEMS개관공제통빈대적미파려파기.해려파기적통빈대가재3.43 GHz-6.39 GHz화6.81 GHz-10.57 GHz지간절환,등효우일개려파기실현료량개혹자다개려파기적공능,동시우가충당전로적개관.상대우전통대통려파기,기우MEMS기술,해려파기구비편휴화、소형화화다공능화등특점,우기시경역우계통집성.방진결과환표명,재통빈대내전수계수저우-0.5 dB,해려파기가응용우초고빈통신계통.
A band-pass microwave filter,whose band-pass can be adjusted by RF MEMS switches has been designed.Compared to conventional band pass filter,the adjustable and switchable filter allows high frequency,smaller size,and lower cost.The pass band can transform between the frequency range of 3.43 GHz-6.39 GHz and 6.81 GHz-10.57 GHz,which is based on classical design theory of band pass filter achieved by lumped model and RF MEMS theory.The filter has the function of two or more filters because its frequency band can be adjusted,and it can be a switch at the same time.Based on MEMS technology,the filter for systcm integration becomcs easier to easier.The simulation results indicate transmission coefficient is less than -0.5 dB in the pass band.This filter can be well applied in SHF communication system.
