A TUNABLE OSCILLATOR USING MAGNETOSTATIC FORWARD-VOLUME WAVE RESONATOR WITH WIDE STRIP TRANSDUCER

被引：1
作者：
ASAO, H
OHHASHI, H
OHWADA, T
ISHIDA, O
机构：
[1] Electro-Optics & Microwave Systems Laboratory, Mitsubishi Electric Corporation, Kamakura
来源：
ELECTRONICS AND COMMUNICATIONS IN JAPAN PART II-ELECTRONICS | 1995年 / 78卷 / 05期
关键词：
MAGNETOSTATIC WAVE; YIG THIN FILM; RESONATOR; UNLOADED Q; EXTERNAL Q; TUNABLE OSCILLATOR;
D O I：
10.1002/ecjb.4420780509
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：
It is shown theoretically and experimentally that a tunable oscillator without spurious oscillations can be obtained by using a magnetostatic forward-volume wave resonator with wide strip transducers. First, the equivalent circuit of a rectangular resonator is presented and the unloaded Q and the external Q are expressed in term of the dimensions and the material constants of the resonator. By means of this expression, the condition is derived for selective excitation of the dominant mode and for suppression of the higher-order modes. A 5-GHz tunable oscillator using this resonator was fabricated. It was demonstrated that stable oscillation characteristics without spurious oscillations can be obtained.
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页码：81 / 91
页数：11
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