Tunable transmission line stub coupled to a fluid dielectric

Details Tunable transmission line stub coupled to a fluid dielectric Tunable transmission line stub coupled to a fluid dielectric

2005-03-22

2005-03-22

Jones, Stephen E. (Department: 2817)

Wave transmission lines and networks

Coupling networks

With impedance matching

C333S263000

Reexamination Certificate

active

06870439

ABSTRACT:
A circuit for processing radio frequency signals. The circuit is a transmission line stub (110) coupled to a fluidic dielectric (108) and includes a composition processor (101) for selectively varying a composition of the fluidic dielectric. Varying the fluid dielectric composition allows the electrical characteristics of the transmission line stub (110) to be dynamically varied in response to a control signal137. The electrical characteristics that can be varied with the fluid dielectric include, but are not limited to, an electrical length of the stub, a characteristic impedance of the stub, and a frequency response of the stub. The transmission line stub (110) can be electrically shorted to ground or electrically open with respect to ground.

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