Material independent design charts for circular ferrite devices

Author: Gibson A. A. P.   Sheikh S. I.   Dillon B. M.  

Publisher: Taylor & Francis Ltd

ISSN: 1362-3060

Source: International Journal of Electronics, Vol.82, Iss.4, 1997-04, pp. : 427-438

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Abstract

Mode charts for ferrite phase shifters, circulators and tunable resonators become material independent when the signal frequency and applied field are normalized to material magnetization. A range of normalized design charts are presented for partially-magnetized and saturated ferrite devices biased above or below ferrimagnetic resonance. Examples taken from practical devices are used to illustrate the use of these charts.