Ferromagnetic resonator having temperature compensation...

Details Ferromagnetic resonator having temperature compensation... Ferromagnetic resonator having temperature compensation...

H - Electricity

01

P

333/89

H01P 1/215 (2006.01) H01P 1/218 (2006.01) H01P 1/30 (2006.01) H01P 7/00 (2006.01)

Patent

CA 1276697

ABSTRACT OF THE DISCLOSURE: A ferrimagnetic resonator is disclosed which is stabilized upon temperature deviation and operable over a wide frequency range. The resonator comprises a ferrimagnetic thin film resonance element, a temperature detector for the resonance element a bias magnetic field generating coil, a compensation coil and a compensation circuit. The compensation circuit has a pre-coded compensation data upon operation temperature range and generates a compensation signal in response a detected temperature of the resonance element. The compensation signal is then fed to the compensation coil to generate an additional magnetic field to the resonance element thus the resonance frequency of the resonance element is stabilized upon temperature.

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