DocumentCode
2523589
Title
A novel miniature suspended stripline filter
Author
Menzel, Wolfgang
Author_Institution
Microwave Tech., Ulm Univ., Germany
Volume
3
fYear
2003
fDate
7-9 Oct. 2003
Firstpage
1047
Abstract
Concept, design, and results of a novel miniature suspended stripline (SSL) filter type based on an interdigital filter structure with quasi-lumped elements are presented. The filter is realized in a metal channel of 4.25 mm×5 mm. Compared to a standard SSL resonator, length is reduced by about 75%. A three resonator filter at 7 GHz with a 450 MHz bandwidth is demonstrated, having a filter length of only 12 mm and losses of about 1.4 dB, including 18 mm of excess transmission line and the transitions to coaxial line. Further examples are a three-resonator filter at 11 GHz and a 8 GHz five-resonator filter.
Keywords
coaxial cables; digital filters; equivalent circuits; resonator filters; transmission lines; 1.4 dB; 11 GHz; 12 mm; 450 MHz; 7 GHz; 8 GHz; filter length; interdigital filter structure; metal channel; quasilumped elements; resonator filter; suspended stripline filter; transmission line; Capacitance; Coupling circuits; Distributed parameter circuits; Equivalent circuits; Frequency; Inductance; Microwave filters; Resonator filters; Stripline; Strips;
fLanguage
English
Publisher
ieee
Conference_Titel
Microwave Conference, 2003. 33rd European
Print_ISBN
1-58053-834-7
Type
conf
DOI
10.1109/EUMC.2003.177662
Filename
1262833
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