DocumentCode
1179591
Title
Compact lowpass filter using spiral compact microstrip resonant cells
Author
Gu, J. ; Sun, X.
Author_Institution
Shanghai Inst. of Microsyst. & Inf. Technol., Chinese Acad. of Sci., Shanghai, China
Volume
41
Issue
19
fYear
2005
fDate
9/15/2005 12:00:00 AM
Firstpage
1065
Lastpage
1066
Abstract
A novel lowpass filter using spiral compact microstrip resonant cells (SCMRCs) for size reduction is presented. Four SCMRC resonators as open stub lines are connected at both sides of an SCMRC resonator so that the port impedance at the lowpass band is matched to 50 Ω. The proposed lowpass filter has compact circuit size and wide stop-band. A demonstration lowpass filter is designed, fabricated and measured. It shows low insertion loss, flat response in the lowpass band and wide stop-band.
Keywords
impedance matching; low-pass filters; microstrip filters; microstrip resonators; 50 ohm; SCMRC resonator; insertion loss; lowpass filter; open stub lines; port impedance; spiral compact microstrip resonant cells;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:20052569
Filename
1512759
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