Ferri-magnetic film frequency modulator

Details Ferri-magnetic film frequency modulator Ferri-magnetic film frequency modulator

1992-02-07

1992-12-01

Grimm, Siegfried H.

Modulators

Frequency modulator

Including stabilization or alternatively distortion, noise...

332129, 332130, 332135, 455 42, 455111, H03C 302, H03C 306

Patent

active

051682486

ABSTRACT:
For realizing a highly sensitive and favorably linear frequency modulator stably operating with a small-sized and readily manufactured arrangement, input and output strip electrodes are disposed in face on both ends of a ferri-magnetic film deposited on a magnetic substrate and applied with a DC magnetic field perpendicular thereto, a high frequency electro-magnetic wave being applied through the input electrode, so as to generate a magneto-static forward volume wave propagating through the magnetic film, the propagation phase of which is modulated in response to the intensity variation of the applied magnetic field modulated by a signal, so as to derive a frequency modulated electro-magnetic wave from the output electrode.

REFERENCES:
patent: 3036277 (1962-05-01), Gindsberg
patent: 3328712 (1967-06-01), Stimler
patent: 4188594 (1980-02-01), Bongianni

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