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Short-circuited series stubs for application in uniplanar low-pass filters
Li R.1; Sun S.3; Zhu L.2
Source PublicationAsia-Pacific Microwave Conference Proceedings, APMC
AbstractAn alternative uniplanar low-pass filter with series stubs is presented in this paper and its upper stopband is extended up to five times of its cutoff frequency. The basic filter structure primarily consists of short-circuited series stubs on slot line and connecting lines on coplanar waveguide. Under the target of Chebyshev function low-pass frequency responses, all the element values involved in this filter topology is determined via efficient synthesis design approach rather try-to-cut optimization approach. Later on, the connecting line between adjacent stubs is replaced by its equivalent T-shaped transmission line to suppress the higher order harmonic bands. As design examples, two five-pole uniplanar filters with and without harmonic-suppressed elements embedded are designed, fabricated and measured. © 2010 IEICE Institute of Electronics Informati.
Keywordharmonic suppression Low pass filter short-circuited series stub synthesis design
URLView the original
Fulltext Access
Document TypeConference paper
Affiliation1.A-Star, Institute of Microelectronics
2.Nanyang Technological University
3.The University of Hong Kong
Recommended Citation
GB/T 7714
Li R.,Sun S.,Zhu L.. Short-circuited series stubs for application in uniplanar low-pass filters[C],2010:1154-1157.
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