Signal time delay magnetostatic spin wave device for phased arra

Details Signal time delay magnetostatic spin wave device for phased arra Signal time delay magnetostatic spin wave device for phased arra

1988-12-22

1990-03-27

Blum, Theodore M.

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a steerable array

333147, 333148, H01Q 322

Patent

active

049124781

ABSTRACT:
A phased array radar antenna utilizing signal time delay magnetostatic spin wave devices operable to provide feed line transmit time control for variable length transmission feed lines. The preferred embodiment of an improved phased array radar antenna incorporates ferrite devices controlled by d.c. voltage driven ferroelectrics.

REFERENCES:
patent: 4675682 (1987-06-01), Adam et al.
V. B. Anfinogenov et al., Propagation of Magnetostatic Waves in a Ferrite-Ferroelectric Structure, The Soviet Technical Physics Letters 12(4), Apr. 1986.

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