High ... Q magnetostatic surface wave planar yttrium iron garnet resonator
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American Institute of PhYSics
Abstract
Description
Exp.erim.entaI results on the magnetostatic surface wave resonance characteristics of planar
yttnu~ Iron garnet resona.tors are given. Single-mode resonance with wide tunability range
and hIgh Q have been achIeved. Q as high as 3500 and insertion loss as low as 13 dB with offresonance
rejection as high as 15 dB have been achieved at 6 GHz. A microwave oscillator
built with the resonators and a laboratory-made hybrid amplifier provided oscillations in the
range 3-:-5.3 GHz with phase noise of - 105 dBc/Hz at 10 KHz offset/rom the carrier
frequency.
Keywords
Q Science (General), QC Physics