METHOD AND APPARATUS FOR ADAPTIVE IMPEDANCE MATCHING
First Claim
1. An apparatus, comprising:
- an RF matching network coupled to at least one RF input port and at least one RF output port and comprising one or more controllable variable reactive elements,wherein said RF matching network is adapted to increase RF power transferred from said at least one RF input port to said at least one RF output port by varying signals supplied to said controllable variable reactive elements to increase the RF voltage at said at least one RF output port, andwherein said one or more controllable variable reactive elements are coupled to a bias driver circuit adapted to map one or more control signals that are output from a controller to a signal range that is compatible with said one or more controllable variable reactive elements in said RF matching network.
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Abstract
A system that incorporates teachings of the present disclosure may include, for example, an adaptive impedance matching network having an RF matching network coupled to at least one RF input port and at least one RF output port and comprising one or more controllable variable reactive elements. The RF matching network can be adapted to reduce a level of reflected power transferred from said at least one input port by varying signals applied to said controllable variable reactive elements. The one or more controllable variable reactive elements can be coupled to a circuit adapted to map one or more control signals that are output from a controller to a signal range that is compatible with said one or more controllable variable reactive elements. Additional embodiments are disclosed.
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Citations
20 Claims
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1. An apparatus, comprising:
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an RF matching network coupled to at least one RF input port and at least one RF output port and comprising one or more controllable variable reactive elements, wherein said RF matching network is adapted to increase RF power transferred from said at least one RF input port to said at least one RF output port by varying signals supplied to said controllable variable reactive elements to increase the RF voltage at said at least one RF output port, and wherein said one or more controllable variable reactive elements are coupled to a bias driver circuit adapted to map one or more control signals that are output from a controller to a signal range that is compatible with said one or more controllable variable reactive elements in said RF matching network. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. An apparatus, comprising:
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an RF matching network coupled to at least one RF input port and at least one RF output port and comprising one or more controllable variable reactive elements, wherein said RF matching network is adapted to reduce a level of reflected power transferred from said at least one input port by varying signals applied to said controllable variable reactive elements, and wherein said one or more controllable variable reactive elements are coupled to a circuit adapted to map one or more control signals that are output from a controller to a signal range that is compatible with said one or more controllable variable reactive elements. - View Dependent Claims (16, 17)
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18. A machine-readable storage medium, comprising computer instructions to:
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vary control signals that change one or more reactances within an RF matching network to increase an RF output voltage at an RF output port of said RF matching network, wherein the RF matching network comprises one or more controllable variable reactive elements, and wherein said RF matching network is coupled to a circuit adapted to map the control signals to a signal range that is compatible with said one or more controllable variable reactive elements. - View Dependent Claims (19, 20)
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Specification