Ferromagnetic resonator having temperature compensation means us

Details Ferromagnetic resonator having temperature compensation means us Ferromagnetic resonator having temperature compensation means us

1987-09-28

1988-07-05

Nussbaum, Marvin L.

Wave transmission lines and networks

Resonators

Temperature compensated

333219, 333235, H01P 130, H01P 700

Patent

active

047557800

ABSTRACT:
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.

REFERENCES:
patent: 4701729 (1987-10-01), Ito et al.

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