Title :
Application of the planar model to the analysis and design of the Y-junction strip-line circulator
Author :
Ivanov, Stephan A.
Author_Institution :
Fac. of Phys., Sofia Univ., Bulgaria
fDate :
6/1/1995 12:00:00 AM
Abstract :
The constituent ferrite resonator and matching transformers of the Y-junction stripline circulator are replaced with their planar equivalents. In this way the fringing fields are taken into consideration and more adequate formulae for circulator design are obtained. Then, the frequency behavior of the resonator input impedance is analyzed in detail for selection of the most appropriate matching procedure. The results are in good agreement with experimental data for S-band
Keywords :
electric impedance; ferrite circulators; impedance matching; magnetic microwave devices; microwave circulators; resonators; strip line components; S-band; Y-junction strip-line circulator; circulator design; ferrite resonator; frequency behavior; fringing fields; matching procedure; matching transformers; planar model; resonator input impedance; Circuit theory; Conducting materials; Coupling circuits; Dielectrics; Ferrites; Frequency; Impedance; Permittivity; Saturation magnetization; Stripline;
Journal_Title :
Microwave Theory and Techniques, IEEE Transactions on
