Patent ID: 8217732
Filing Date: 2012-07-10
Classification: H01Q,H03H,H04B,H04L,H04W

Abstract:
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; and a voltage detector coupled to said at least one RF output port via a voltage divider to determine a voltage at said at least one RF output port and provide voltage information to a controller, 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 one or more controllable variable reactive elements to increase the RF voltage at said at least one RF output port, wherein the controller generates one or more control signals responsive to the voltage information provided by the voltage detector, and wherein said one or more controllable variable reactive elements are coupled to a bias driver circuit adapted to map the one or more control signals that are output from the controller to a signal range that is compatible with said one or more controllable variable reactive elements in said RF matching network.