DocumentCode
875899
Title
A Traveling-Wave Directional Filter
Author
Coale, Franklin S.
Volume
4
Issue
4
fYear
1956
fDate
10/1/1956 12:00:00 AM
Firstpage
256
Lastpage
260
Abstract
A new type of microwave filter is presented in which resonance occurs in the form of a traveling wave rather than in the conventional form of a standing wave. This device is a constant-resistance circuit, and therefore presents a very low input vswr. Formulas for loaded Q and insertion loss are given. Experimental results verify the theoretical approach. This filter, which is constructed of a transmission-line loop and two directional couplers, finds application in multiplexing filters as well as in matched band-pass and band-rejection filters.
Keywords
Band pass filters; Directional couplers; Insertion loss; Low pass filters; Magnetic resonance; Matched filters; Microwave devices; Microwave filters; Resonant frequency; Transmission line theory;
fLanguage
English
Journal_Title
Microwave Theory and Techniques, IRE Transactions on
Publisher
ieee
ISSN
0097-2002
Type
jour
DOI
10.1109/TMTT.1956.1125073
Filename
1125073
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