DocumentCode
3093228
Title
Advanced characterization and design of compensated high directivity quadrature coupler
Author
Mueller, Jessica ; Jacob, A.F.
Author_Institution
Technische Universität Hamburg Harburg, Germany
fYear
2010
fDate
23-28 May 2010
Firstpage
1
Lastpage
1
Abstract
An efficient design procedure for directional couplers based on the effective even and odd mode characteristic impedances and electrical lengths is presented. These quantities which are extracted from the scattering parameters of the overall coupler structure allow for a systematic optimization. This is useful, for instance, when designing compensated high directivity couplers or when large bandwidth performance is desired. The method is applied to optimize a 2GHz wiggly line coupler. Measurements yield a directivity of better than 30dB from DC to 3.5GHz, confirming the simulation results.
Keywords
Bandwidth; Directional couplers; Impedance; Jacobian matrices; Optimization methods; Scattering parameters;
fLanguage
English
Publisher
ieee
Conference_Titel
Microwave Symposium Digest (MTT), 2010 IEEE MTT-S International
Conference_Location
Anaheim, CA
ISSN
0149-645X
Print_ISBN
978-1-4244-6056-4
Electronic_ISBN
0149-645X
Type
conf
DOI
10.1109/MWSYM.2010.5515112
Filename
5515112
Link To Document