DocumentCode
1249802
Title
Influence of nonuniform magnetic field on a ferrite junction circulator
Author
How, H. ; Oliver, S.A. ; McKnight, S.W. ; Zavracky, P.M. ; McGruer, N.E. ; Vittoria, C. ; Schmidt, R.
Author_Institution
Appl. Res. Technol. Inc., Belmont, MA, USA
Volume
47
Issue
10
fYear
1999
fDate
10/1/1999 12:00:00 AM
Firstpage
1982
Lastpage
1989
Abstract
We have analytically formulated the problem that a ferrite circulator junction is biased by a nonuniform magnetic field. Interport impedances of the junction can, therefore, be solved numerically. Nonuniform-bias field will reduce the transmission bandwidth, and the circulation condition is apt to be altered if the bias field shows nonuniformity near the center of the junction. Our calculation compares very well with measurements
Keywords
ferrite circulators; magnetic fields; microwave circulators; waveguide junctions; circulation condition; ferrite junction circulator; interport impedances; nonuniform magnetic field; nonuniform-bias field; transmission bandwidth; Bandwidth; Ferrites; Magnetic analysis; Magnetic field measurement; Magnetic fields; Magnetic resonance; Maxwell equations; Nonuniform electric fields; Radio frequency; Saturation magnetization;
fLanguage
English
Journal_Title
Microwave Theory and Techniques, IEEE Transactions on
Publisher
ieee
ISSN
0018-9480
Type
jour
DOI
10.1109/22.795072
Filename
795072
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