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Microstrip Two-Section Dual-Band Impedance Transformer Design with Spurious Matching Suppression
Sio-Weng Ting1; Kam-Weng-Tam1; Rui P. Martins1,2
2005
Conference NameProc. IEEE/IEE Regional Inter-University Post-graduate EEE Conference – RIUPEEEC 2005
Source PublicationProc. IEEE/IEE Regional Inter-University Post-graduate EEE Conference – RIUPEEEC 2005
Conference DateJuly 2005.
Conference PlaceHong Kong, China
Abstract

In this paper, a novel two-section dual-band impedance transformer with embeded spurline sections is proposed. With this new structure, the intrinsic spurious matchings at the 3rd an 5th harmonic freguency bands can be significantly suppressed, whilst the matching at the two designed operating frequencies can be maintained. In order to demonstrate the proposed transformer performance, a GSM dual-band (900 MHz and 1.8 GHz) impedance transformer was designated and implemented. From the simulation and experimental results, the proposed transformer maintains the good matching of 35 dB at the dual GSM freguency bands and suppresses all unwanted matching upto its 5th harmonic band.

KeywordDual-band Impedance Transformer Transmission Zero Placement Spurline Spurious Matching
URLView the original
Language英语
Fulltext Access
Document TypeConference paper
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation1.Wireless Communication Laboratory, Faculty of Science & Technology, University of Macau, Macao, China
2.on leave from Instituto Superior Técnico, Lisboa, Portugal
First Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Sio-Weng Ting,Kam-Weng-Tam,Rui P. Martins. Microstrip Two-Section Dual-Band Impedance Transformer Design with Spurious Matching Suppression[C],2005.
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