Tunable resonant cavity using conductive fluids

Details Tunable resonant cavity using conductive fluids Tunable resonant cavity using conductive fluids

2005-11-15

2005-11-15

Jones, Stephen E. (Department: 2817)

Wave transmission lines and networks

Resonators

With tuning

C333S227000, C333S202000

Reexamination Certificate

active

06965286

ABSTRACT:
A tunable resonant system (100) and a method for a varying the resonant characteristics of a resonant cavity (102). The resonant cavity is enclosed by a conductive material that has at least one aperture (104) for coupling the resonant cavity to an RF signal propagating in a circuit device (160). A conductive fluid (108) having a permeability is at least partially disposed within the resonant cavity (102) or a plurality of subcavities (250, 252) within the resonant cavity (202). A dielectric barrier (105) can be provided within the aperture to prevent the conductive fluid from escaping the resonant cavity. A composition processor (101) is adapted for dynamically changing a composition or volume of the conductive fluid to vary or maintain constant a center frequency, a bandwidth, a quality factor (Q) or an impedance of the resonant cavity.

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