DocumentCode
944747
Title
Microstrip couplers with improved directivity
Author
Herzog, Hans-jürgen
Author_Institution
Deutsche Bundespost, Forschungsinstitut, Darmstadt, West Germany
Volume
14
Issue
3
fYear
1978
Firstpage
50
Lastpage
51
Abstract
Backward wave microstrip couplers with weak coupling reach small values for the directivity. This is caused by the unequal phase constants of the even and odd modes of the line waves. A very simple compensation method is shown by loading the coupler with additional coupled lines.
Keywords
strip line components; backward wave microstrip couplers; compensation method; directivity; unequal phase constants;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19780036
Filename
4240769
Link To Document