公开(公告)号：US08674782B2

公开(公告)日：2014-03-18

申请号：US13065881

申请日：2011-03-31

申请人： William O. Keese ,  Sa{hacek over (s)}a Radovanović ,  Daniel L. Simon

发明人： William O. Keese ,  Sa{hacek over (s)}a Radovanović ,  Daniel L. Simon

IPC分类号： H03H7/38

CPC分类号： H03H7/40

摘要： An adaptive impedance matching module having an adjustable impedance matching network with an input for receiving an RF power source and an output to be connected to an antenna, and first and second voltage measurement device configured to sense a voltage at respective first and second nodes on the impedance matching network. A network adjuster circuit is provided to switch the impedance matching network between a first state where first and second voltages are sensed on the respective first and second nodes and a second state where third and fourth voltages are sensed on the respective first and second nodes. Processing circuitry is provided which determines the matched load impedance based upon the first, second, third and fourth sensed voltages and including matching adjustment circuitry configured to adjust the matching impedance in the event the matched load impedance differs from a target load impedance by more that a predetermined amount.

摘要翻译： 一种自适应阻抗匹配模块，其具有可调节阻抗匹配网络，其具有用于接收RF电源的输入端和要连接到天线的输出;以及第一和第二电压测量装置，其被配置为感测所述第一和第二节点上的电压 阻抗匹配网络。 提供网络调节器电路以在第一状态和第二状态之间切换阻抗匹配网络，该第一状态在相应的第一和第二节点上感测到第一和第二电压，以及在相应的第一和第二节点上感测到第三和第四电压的第二状态。 提供了处理电路，其基于第一，第二，第三和第四感测电压确定匹配的负载阻抗，并且包括匹配调整电路，配置为在匹配的负载阻抗与目标负载阻抗不同的情况下调整匹配阻抗， 预定量。