DocumentCode
311912
Title
Effective-field theory for ferrite thin-film junction circulator
Author
How, H. ; McKnight, S.W. ; Vittoria, C.
Author_Institution
ElectroMagnetic Applications Inc., MA, USA
Volume
2
fYear
1997
fDate
8-13 June 1997
Firstpage
1127
Abstract
We have calculated the S-parameters and losses in ferrite-film junction circulators using a new effective-field theory assuming TEM-like propagation. Conductivity losses dominate the dielectric and magnetic losses in Y-junction circulators fabricated on ferrite films with thicknesses less than 200 /spl mu/m.
Keywords
S-parameters; dielectric losses; ferrite circulators; magnetic leakage; magnetic microwave devices; magnetic thin film devices; 0 to 200 micron; S-parameters; TEM-like propagation; Y-junction circulators; conductivity losses; dielectric losses; ferrite thin-film junction circulator; field theory; magnetic losses; Conductivity; Conductors; Dielectric loss measurement; Dielectric losses; Ferrite films; Magnetic losses; Permeability; Propagation losses; Skin; Transformers;
fLanguage
English
Publisher
ieee
Conference_Titel
Microwave Symposium Digest, 1997., IEEE MTT-S International
Conference_Location
Denver, CO, USA
ISSN
0149-645X
Print_ISBN
0-7803-3814-6
Type
conf
DOI
10.1109/MWSYM.1997.603000
Filename
603000
Link To Document