Performance of stripline-type ferrite coupled line circulators

International Journal of RF and Microwave Computer-Aided Engineering

Volumn 13, Issue 3, 2003, Pages 173-179

  Queck, C K ^a   Davis, L E ^a   Xie, K ^a,c   Newsome, K ^b   Climer, B ^b   Priestley, N E ^b  

^a UNIVERSITY OF MANCHESTER   (United Kingdom)

^b E2V TECHNOLOGIES   (United Kingdom)

^c Comdev Europe Ltd ^*  (United Kingdom)

Author keywords

Circulator; Ferrite coupled line; Nonreciprocal; Stripline

Indexed keywords

ALUMINA; COMPUTER AIDED DESIGN; FERRITES; FINITE ELEMENT METHOD; INSERTION LOSSES; MAGNETIC FIELDS; MAGNETIZATION; MICROSTRIP LINES; VECTORS;

FERRITE COUPLED LINE CIRCULATORS; NONRECIPROCAL BEHAVIOR; NORMAL MODE ANALYSIS; STRIPLINE;

MICROWAVE CIRCULATORS;

EID: 0038078286     PISSN: 10964290     EISSN: None     Source Type: Journal    
DOI: 10.1002/mmce.10075     Document Type: Article

References (11)

1. D.M. Pozar, Microwave engineering, 2nd ed., Wiley, New York, 1998.
2. L.E. Davis and D.B. Sillars, Millimetric nonreciprocal coupled-slot finline components, IEEE Trans Microwave Theory Tech 34 (1986), 804-808.
3. I. Awai and T. Itoh, Coupled-mode theory analysis of distributed nonreciprocal structures, IEEE Trans Microwave Theory Tech 29 (1981), 1077-1086.
4. J. Mazur and M. Mrozowski, On the mode coupling in longitudinally magnetized waveguiding structures, IEEE Trans Microwave Theory Tech 37 (1989), 159-164.
5. C.S. Teoh and L.E. Davis, Normal-mode analysis of ferrite-coupled lines using microstrips or slotlines, IEEE Trans Microwave Theory Tech 43 (1995), 2991-2998.
6. K. Xie and L.E. Davis, Nonreciprocity and the optimum operation of ferrite coupled lines, IEEE Trans Microwave Theory Tech 48 (2000), 562-573.
7. K. Xie and L.E. Davis, Performance of axially-magnetised ferrite coupled lines, Radio Sci 36 (2001), 1353-1362.
8. C.S. Teoh and L.E. Davis, Design and measurement of microstrip ferrite coupled lines, Int J RF Microwave Comput Aided Eng 11 (2001), 121-130.
9. R.A. Pucel, D.J. Masse, and C.P. Hartwig, Losses in microstrip, IEEE Trans Microwave Theory Tech 16 (1968), 342-350.
10. C.K. Queck and L.E. Davis, Broadband hybrid microstrip couplers - Amplitude and phase, Microwave Opt Technol Lett 32 (2002), 254-259.
11. C.K. Queck and L.E. Davis, Improved design of microstrip air-bridges, Int J RF Microw. CAE 13 (2003), 246-255.