RF delay lines with variable displacement fluidic dielectric

Details RF delay lines with variable displacement fluidic dielectric RF delay lines with variable displacement fluidic dielectric

2005-10-04

2005-10-04

Le, Dinh T. (Department: 2816)

Wave transmission lines and networks

Coupling networks

Delay lines including long line elements

C333S161000

Reexamination Certificate

active

06952148

ABSTRACT:
A continuously variable true time delay line (100) and method for producing a time delay. The true delay line (100) includes an RF transmission line (110) and at least a first fluidic dielectric (130) contained in a cavity (109) coupled to the RF transmission line along at least a first length thereof. One or more variable displacement fluid processors (120) are provided for changing a distribution of the fluid dielectric (130) in the cavity (109) in response to a time delay control signal (137). The propagation delay of the line is selectively varied by changing the distribution of the fluid dielectric in the cavity.

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