Title :
Influence of the Magnetic Field Nonuniformity on an X-Band Microstrip Y-Junction Circulator Bandwidth: Theory/Experiment Comparison
Author :
Guennou, A. ; Della, B. ; Quéffélec, P. ; Gelin, P. ; Mattei, J.L.
Author_Institution :
LEST, UMR CNRS, Brest
fDate :
6/1/2007 12:00:00 AM
Abstract :
We propose a theoretical approach aimed at accurately describing the electromagnetic (EM) response of a microstrip Y-junction circulator. This analysis is predictive since it relies on the insertion of both the nonuniformity of the static field of polarization and the ferrite material magnetization state. We fabricated proof-of-concepts to compare the responses issued from two available EM analyses, namely our approach and the HFSS software one. The key-role of a rigorous modeling of the microstrip Y-junction circulator is highlighted through a comparison of simulation data and experimental results
Keywords :
ferrite circulators; garnets; magnetisation; microwave circulators; yttrium compounds; 8 to 12 GHz; EM analyses; HFSS software; X-band microstrip Y-junction circulator bandwidth; YFe5O12; YIG; electromagnetic response; ferrite material magnetization state; magnetic field nonuniformity; microstrip Y-junction circulator; polarization; Bandwidth; Circuits; Ferrites; Frequency; Magnetic analysis; Magnetic fields; Magnetic materials; Microstrip; Microwave devices; Saturation magnetization; Ferrite circulators; magnetic field effects;
Journal_Title :
Magnetics, IEEE Transactions on
DOI :
10.1109/TMAG.2007.893785
