Design and Measurement of Nonuniform Ferrite Coupled Line Circulator

References

• Lin , Z. and Chu , Q. X. 2010 . A novel approach to the design of dualband power divider with variable power dividing ratio based on coupled-lines . Progress In Electromagnetics Research , 103 : 271 – 284 .
   Web of Science ®Google Scholar
• Ye , C. S. , Su , Y. K. , Weng , M. H. , Hung , C. Y. and Yang , R. Y. 2010 . Design of the compact parallel-coupled lines wideband bandpass filters using image parameter method . Progress In Electromagnetics Research , 100 : 153 – 173 .
   Web of Science ®Google Scholar
• Abdelaziz , A. F. , Abuelfadl , T. M. and Elsayed , O. L. 2009 . Realization of composite right/left-handed transmission line using coupled lines . Progress In Electromagnetics Research , 92 : 299 – 315 .
   Google Scholar
• Khalaj-Amirhosseini , M. 2005 . Determination of capacitance and conductance matrices of lossy shielded coupled microstrip transmission lines . Progress In Electromagnetics Research , 50 : 267 – 278 .
   Google Scholar
• Matsunaga , M. , Katayama , M. and Yasumoto , K. 1999 . Coupled-mode analysis of line parameters of coupled microstrip lines . Progress In Electromagnetics Research , 24 : 1 – 17 .
   Google Scholar
• Matsunaga , M. 2003 . A coupled-mode theory-based analysis of coupled microstrip lines on a ferrite substrate . Progress In Electromagnetics Research , 42 : 219 – 232 .
   Google Scholar
• Zhang , J. C. , Yin , Y. Z. and Yi , R. 2009 . Resonant characteristics of frequency selective surfaces on ferrite substrates . Progress In Electromagnetics Research , 95 : 355 – 364 .
   Google Scholar
• Brito , V. L. O. , Migliano , A. C. C. , Lemos , L. V. and Melo , F. C. L. 2009 . Ceramic processing route and characterization of a Ni-Zn ferrite for application in a pulsed-current monitor . Progress In Electromagnetics Research , 91 : 303 – 318 .
   Google Scholar
• Eroglu , A. and Lee , J. K. 2006 . Wave propagation and dispersion characteristics for a nonreciprocal electrically gyrotropic medium . Progress In Electromagnetics Research , 62 : 237 – 260 .
   Google Scholar
• Davis , L. E. and Sillars , D. B. 1986 . Millimetric nonreciprocal coupledslot finline components . IEEE Trans. Microw. Theory Tech. , 34 ( No. 7 ) : 804 – 808 .
   Google Scholar
• Bahri , R. , Abdipour , A. and Moradi , G. 2009 . Analysis and design of new active quasi circulator and circulators . Progress In Electromagnetics Research , 96 : 377 – 395 .
   Google Scholar
• Jiang , R. P. and Wei , K. Z. 1984 . Microwave Ferrite Theory and Technology , Beijing : Science Publishing House .
   Google Scholar
• Mazur , J. and Mrozowski , M. 1989 . On the mode coupling in longitudinally magnetized wave-guiding structures . IEEE Trans. Microw. Theory Tech. , 37 ( No. 1 ) : 159 – 164 .
   Google Scholar
• Mazur , J. , Mazur , M. and Mrozowski , M. 2002 . Coupled-mode design of ferrite loaded coupled-microstrip-lines section . IEEE Trans. Microw. Theory Tech. , 50 ( No. 6 ) : 1487 – 1494 .
   Google Scholar
• Teoh , C. S. and Davis , L. E. 1995 . Normal-mode analysis of ferritecoupled lines using microstrips or slotlines . IEEE Trans. Microw. Theory Tech. , 43 ( No. 12 ) : 2991 – 2998 .
   Google Scholar
• Teoh , C. S. and Davis , L. E. 1995 . “ Normal-mode analysis of coupledslots with an axially-magnetized ferrite substrate ” . In IEEE MTT-S Int. Microwave Symp. Dig Vol. 1 , 99 – 102 . Orlando
   Google Scholar
• Pietig , R. and Cao , M. 2003 . “ Ferrite-loaded waveguides — a perturbation theory approach ” . In IEEE MTT-S Int. Microwave Symp. Dig Vol. 2 , 833 – 836 . Philadephia , PA
   Google Scholar
• Cao , M. , Pietig , R. , Wu , H. C. and Gossink , R. G. 2004 . “ Perturbation theory approach to the ferrite coupled stripline ” . In IEEE MTT-S INt. Microwave Symp. Dig Vol. 3 , 2621 – 2627 . Fort Worth , TX
   Google Scholar
• Xie , K. and Davis , L. E. 2000 . Nonreciprocity and the optimum operation of ferrite coupled lines . IEEE Trans. Microw. Theory Tech. , 48 ( No. 4 ) : 562 – 573 .
   Google Scholar
• Xie , K. and Davis , L. E. 2001 . Performance of axially magnetized ferrite coupled lines . Radio Science , 36 ( No. 6 ) : 1353 – 1361 .
   Google Scholar
• Baden-Fuller , A. J. 1987 . Ferrite at Microwave Frequencies , London : Peter Peregrinus Ltd .
   Google Scholar
• Queck , C. K. and Davis , L. E. 2003 . Self-biased hexagonal ferrite coupled line circulators . Electron. Lett. , 39 ( No. 22 ) : 1595 – 1597 .
   Google Scholar
• Yang , L. Y. and Xie , K. 2009 . Periodically nonuniform coupled microstrip lines on longitudinally-magnetized ferrite . Electron. Lett. , 45 ( No. 5 ) : 1595 – 1597 .
   Google Scholar
• Hosseini , F. , Khalaj-Amir Hosseini , M. and Yazdani , M. 2009 . A miniaturized wilkinson power divider using nonuniform transmission line . Journal of Electromagnetic Waves and Applications , 23 ( No. 7 ) : 917 – 924 .
   Web of Science ®Google Scholar
• Wu , J. J. , Yang , T. J. and Shen , L. F. 2009 . Subwavelength microwave guiding by a periodically corrugated metal wire . Journal of Electromagnetic Waves and Applications , 23 ( No. 1 ) : 11 – 19 .
   Google Scholar
• Zhang , X. C. , Xu , J. and Yu , Z. Y. 2008 . Design of quasi-elliptic bandpass filter based on slow-wave open-loop resonators . Journal of Electromagnetic Waves and Applications , 23 ( No. 13 ) : 1849 – 1856 .
   Google Scholar
• Wu , Y. and Liu , Y. 2008 . Standard Smith chart approach to solve exponential tapered nonuniform transmission line problems . Journal of Electromagnetic Waves and Applications , 22 ( No. 11–12 ) : 1639 – 1646 .
   Google Scholar
• Zhang , H. , Wang , J. H. and Liang , W. Y. 2008 . Study on theapplicability of extracted distributed circuit parameters of nonuniform transmission lines by equivalent circuit method . Journal of Electromagnetic Waves and Applications , 22 ( No. 5–6 ) : 839 – 848 .
   Google Scholar
• Dai , X.-W. , Liang , C.-H. , Li , G. and Chen , Z.-X. 2008 . Novel dualmode dual-band bandpass filter using microstrip meander-loop resonators . Journal of Electromagnetic Waves and Applications , 22 ( No. 4 ) : 573 – 580 .
   Google Scholar
• Khalaj-Amirhosseini , M. 2006 . Analysis of periodic and aperiodic coupled nonuniform transmission lines using the Fourier series expansion . Progress In Electromagnetics Research , 65 : 15 – 26 .
   Google Scholar
• Khalaj-Amirhosseini , M. 2006 . Analysis of coupled or single nonuniform transmission lines using taylor's series expansion . Progress In Electromagnetics Research , 60 : 107 – 117 .
   Web of Science ®Google Scholar
• Khalaj-Amirhosseini , M. 2006 . Analysis of coupled or single nonuniform transmission lines using step-by-step numerical integration . Progress In Electromagnetics Research , 58 : 187 – 198 .
   Web of Science ®Google Scholar
• Wu , J. J. 2010 . Subwavelength microwave guiding by periodically corrugated strip line . Progress In Electromagnetics Research , 104 : 113 – 123 .
   Google Scholar
• Sun , N. H. , Liau , J. J. , Kiang , Y. W. , Lin , S. C. , Ro , R. Y. , Chiang , J. S. and Chang , H. W. 2009 . Numerical analysis of apodized fiber Bragg gratings using coupled mode theory . Progress In Electromagnetics Research , 99 : 289 – 306 .
   Google Scholar
• Chang , H. W. , Wu , Y. H. , Lu , S. M. , Cheng , W. C. and Sheng , M. H. 2009 . Field analysis of dielectric waveguide devices based on coupled transverse-mode integral equation-numerical investigation . Progress In Electromagnetics Research , 97 : 159 – 176 .
   Google Scholar
• Liau , J. J. , Sun , N. H. , Lin , S. C. , Ro , R. Y. , Chiang , J. S. , Pan , C. L. and Chang , H. W. 2009 . A new look at numerical analysis of uniform fiber bragg gratings using coupled mode theory . Progress In Electromagnetics Research , 93 : 385 – 401 .
   Google Scholar
• Watanabe , K. and Yasumoto , K. 2000 . Coupled-mode analysis of coupled microstrip transmission lines using a singular perturbation technique . Progress In Electromagnetics Research , 25 : 95 – 110 .
   Google Scholar
• Yang , L. Y. and Xie , K. 2008 . Scattering-matrix analysis of ferritecoupled line circulator . IET Microw. Antenna Propag. , 2 ( No. 6 ) : 635 – 639 .
   Google Scholar