PLANAR RESONATOR AND INTEGRATED-OSCILLATOR USING MAGNETOSTATIC WAVES

被引:6
|
作者
KINOSHITA, Y [1 ]
KUBOTA, S [1 ]
TAKEDA, S [1 ]
NAKAGOSHI, A [1 ]
机构
[1] HITACHI MET,MAGNET & ELECTRON MAT RES LAB,SAITAMA 360,JAPAN
关键词
D O I
10.1109/58.105252
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
A simple planar resonator using a magnetostatic wave (MSW) excited by aluminum finger electrodes with two bonding pads has been realized on a YIG/GGG substrate with two reflection edges. The tunable MSW resonator chip (2 mm × 5 mm) exhibits a sharp notch filter response, as deep as 20-35 dB and a high loaded Q up to 2000, which was tunable over the microwave frequency range from 2 to 4 GHz. A small tunable oscillator (8 cm3) has been experimentally demonstrated using the MSW planar resonator and a silicon bipolar transistor integrated on a ceramic microwave circuit substrate. Microwave oscillation with spectral purity, at the same level as that of Y1G sphere technology, is observed at 3 GHz. The experimental results indicate the technical areas for improvement required to realize a practical oscillator configuration. © 1990 IEEE
引用
收藏
页码:457 / 463
页数:7
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