Magnetostatic wave channelizer

Details Magnetostatic wave channelizer Magnetostatic wave channelizer

1986-09-15

1987-12-29

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333132, 333204, 333245, 333246, H01P 120, H01P 1213

Patent

active

047163909

ABSTRACT:
A magnetostatic wave (MSW) device for performing spectral analysis of an input signal containing signal components of very high frequency, well in excess of 1 GHz (gigahertz). An input transducer array couples the input signal to a magnetostatic propagating medium, such as a film of yttrium-iron-garnet (YIG), in such a manner that the array effectively provides multiple wave sources spaced along a predetermined arc on the propagating medium, and the waves combine constructively at frequency-dependent points in a focal region of the medium, spaced apart from the input array. Output transducers located at these frequency-dependent points generate output signals indicative of various selected frequency components of the input signal.

REFERENCES:
patent: 4499393 (1985-02-01), Stokes et al.
patent: 4614919 (1986-09-01), Floyd

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