DocumentCode
1348423
Title
Electronically tunable ring resonator microstrip and suspended-substrate filters
Author
Kumar, Sudhakar
Author_Institution
Dept. of Electr. Eng., Saskatchewan Univ., Saskatoon, Sask., Canada
Volume
27
Issue
6
fYear
1991
fDate
3/14/1991 12:00:00 AM
Firstpage
521
Lastpage
523
Abstract
Electronically tunable ring resonator microstrip and suspended substrate microwave filters with high tuning speed are presented. The filters are realised using two coupled ring resonators with GaAs varactors as the tuning elements. Computer optimised circuits are used at the input and the output to obtain better than 10 dB return loss across the tuning band. Tuning ranges of 1.075-2.25 GHz for the microstrip filter and 1.35-2.075 GHz for the narrower suspended substrate filter are predicted by computer simulation.
Keywords
microwave filters; resonators; strip line components; tuning; varactors; 1.075 to 2.25 GHz; 1.35 to 2.075 GHz; GaAs varactors; computer simulation; coupled ring resonators; electronically tunable; return loss; ring resonator microstrip; suspended-substrate filters; tuning elements; tuning speed;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19910327
Filename
84740
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