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345 GHz Band-Pass Filter Using Ultra-Precision Machining Technology
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作者 Yu-Kun Li Yong Zhang Cai-Jie Ai 《Journal of Electronic Science and Technology》 CAS CSCD 2017年第3期267-270,共4页
This paper presents a terahertz(THz)band-pass filter using ultra-precision machining technology based on Chebyshev filter prototype.This iris inductive window coupled waveguide filter was designed by using 8 resonan... This paper presents a terahertz(THz)band-pass filter using ultra-precision machining technology based on Chebyshev filter prototype.This iris inductive window coupled waveguide filter was designed by using 8 resonant cavities with a center frequency of 345 GHz and a 7% bandwidth.The final design fulfills the desired specifications and presents the minimum insertion loss of 1.55 d B and the return loss of less than 15 d B at 345 GHz.The stop-band rejection is50 d B off the center frequency about 30 GHz,which means it has a good performance of high stop-band suppression.Compared with the recent development of THz filters,this filter possesses the characteristic of simple structure and is easy to machining. 展开更多
关键词 Index Terms--Filter PROTOTYPE simple structure ultra-precision machining technology.
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