Tunability of microstrip ferrite resonator in the partially magnetized state

被引：30
作者：
Dionne, GF
Oates, DE
机构：
[1] Lincoln Laboratory, Massachusetts Institute of Technology, Lexington, MA 02173
来源：
IEEE TRANSACTIONS ON MAGNETICS | 1997年 / 33卷 / 05期
关键词：
D O I：
10.1109/20.617964
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A theoretical analysis is presented for a microstrip ferrite resonator of microwave frequency v(r) that is tunable by varying the state of magnetization. Measurements at 8 GHz indicate a 5% tunability range for a magnetic field H < 50 Oe. Calculations of v(r) as a function of H are fitted closely to data. Computed performance estimates of a superconducting resonator with an ideal magnetic structure project a remanent-state tunability limit of 25% and an X-band figure of merit of 7000 for a Q factor of 10(4).
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页码：3421 / 3423
页数：3
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