Magnetostatic delay line with improved delay linearity

Details Magnetostatic delay line with improved delay linearity Magnetostatic delay line with improved delay linearity

1984-10-18

1987-06-23

Blum, Theodore M.

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

Directive

Including a steerable array

333147, 333148, H01Q 322

Patent

active

046756825

ABSTRACT:
An arrangement for improving the frequency plane delay linearity of a frequency dispersive delay line of the type employing ferrite film materials such as yttrium iron garnet. Linearity improvement involves use of frequency selective transducers located at successively different delay locations in the transmitting and receiving areas of the delay line together with ground plane effects and out of phase signal coupling to the transducer elements including exemplary use of a particular type of microwave transmission line for coupling to the magnetic film.

REFERENCES:
patent: 4199737 (1980-04-01), Patterson et al.
patent: 4314214 (1982-02-01), Castera et al.
patent: 4316162 (1982-02-01), Volluet et al.
patent: 4341998 (1982-07-01), Castera et al.
patent: 4544927 (1985-10-01), Kurth et al.
John D. Adam et al., "MSW Variable Time-Delay Techniques", Interim Report, RADC TR-82-206, Jul. 1982.
J. D. Adam, M. R. Daniel, P. R. Emtage and R. W. Weinert "MSW Variable Time-Delay Techniques", RADC TR-83-139, Final Report, Nov. 19, 1982.

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