Tunable microwave devices with auto-adjusting matching circuit
First Claim
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1. A variable impedance circuit, comprising:
- a matching network to couple to a tunable device;
wherein the matching network comprises a first port and a second port;
wherein the tunable device is coupled to one of the first port or the second port;
wherein the matching network comprises one or more variable dielectric capacitors;
wherein the one or more variable dielectric capacitors are operable to receive a first of one or more variable voltage signals to cause the one or more variable dielectric capacitors to change a first impedance of the matching network;
wherein the tunable device is operable to receive a second of one or more variable voltage signals to cause a change in a second impedance of the tunable device; and
wherein at least one of the one or more variable dielectric capacitors comprises;
a first conductor coupled to one of the first port or the second port;
a second conductor; and
a tunable dielectric material positioned between the first conductor and the second conductor, wherein at least one of the first conductor or the second conductor, or both are adapted to receive the first of the one or more variable voltage signals to cause the change in the first impedance of the matching network.
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Abstract
An embodiment of the present disclosure provides a variable impedance circuit including an antenna having a tunable component. The tunable component can be operable to receive a variable signal to cause the tunable component to change an impedance of the antenna. The tunable component can include a first conductor coupled to the antenna, a second conductor, and a tunable material positioned between the first conductor and the second conductor, where at least one of the first conductor or the second conductor, or both are adapted to receive the variable signal to cause the change in the impedance of the antenna. Additional embodiments are disclosed.
415 Citations
20 Claims
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1. A variable impedance circuit, comprising:
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a matching network to couple to a tunable device; wherein the matching network comprises a first port and a second port; wherein the tunable device is coupled to one of the first port or the second port; wherein the matching network comprises one or more variable dielectric capacitors; wherein the one or more variable dielectric capacitors are operable to receive a first of one or more variable voltage signals to cause the one or more variable dielectric capacitors to change a first impedance of the matching network; wherein the tunable device is operable to receive a second of one or more variable voltage signals to cause a change in a second impedance of the tunable device; and wherein at least one of the one or more variable dielectric capacitors comprises; a first conductor coupled to one of the first port or the second port; a second conductor; and a tunable dielectric material positioned between the first conductor and the second conductor, wherein at least one of the first conductor or the second conductor, or both are adapted to receive the first of the one or more variable voltage signals to cause the change in the first impedance of the matching network. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A variable impedance circuit, comprising:
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a matching network to couple to an antenna, wherein the antenna comprises an antenna component that makes the antenna tunable; wherein the matching network comprises a first port and a second port; wherein the antenna is coupled to one of the first port or the second port; wherein the matching network comprises one or more variable reactive components; wherein the one or more variable reactive components are operable to receive a first of one or more variable voltage signals to cause the one or more variable reactive components to change a first impedance of the matching network; wherein the component of the antenna is operable to receive a second of one or more variable voltage signals to cause the component to change a second impedance of the antenna; wherein at least one of the one or more variable reactive components comprises; a first conductor coupled to one of the first port or the second port; a second conductor; and a tunable dielectric material positioned between the first conductor and the second conductor, wherein at least one of the first conductor or the second conductor, or both are adapted to receive the first of the one or more variable voltage signals to cause the change in the first impedance of the matching network. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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16. A variable impedance circuit, comprising:
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an antenna comprising a tunable component; wherein the tunable component is operable to receive a variable signal to cause the tunable component to change an impedance of the antenna; and wherein the tunable component comprises; a first conductor coupled to the antenna; a second conductor; and a tunable material positioned between the first conductor and the second conductor, wherein at least one of the first conductor or the second conductor, or both are adapted to receive the variable signal to cause the change in the impedance of the antenna. - View Dependent Claims (17, 18, 19, 20)
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Specification