Title :
Groove-guide directional couplers with improved bandwidth
Author_Institution :
Technische Universitÿt Berlin, Institut fÿr Hochfrequenztechnik, Berlin, West Germany
Abstract :
An exact analysis of the coupling properties of uniformly coupled groove guides with unequal phase constants is developed and confirmed with measurements. The results are applied to the construction of directional couplers with considerably improved bandwidth.
Keywords :
directional couplers; waveguide theory; construction; coupling properties; directional couplers; exact analysis; groove-guide directional couplers; improved bandwidth; measurements; unequal phase constants; uniformly coupled groove guides;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19840481