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Antenna interface circuits including tunable impedance matching networks, electronic devices incorporating the same, and methods of tuning antenna interface circuits
Antenna interface circuits including tunable impedance matching networks, electronic devices incorporating the same, and methods of tuning antenna interface circuits
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机译:包括可调阻抗匹配网络的天线接口电路,包含该接口接口的电子设备以及调谐天线接口电路的方法
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摘要
An antenna interface circuit for a wireless communication device includes a tunable matching circuit that is coupleable to an antenna. The tunable matching circuit includes a variable impedance element having a variable impedance Ztune. The interface circuit further includes a fixed impedance element having a fixed impedance Zmeas, and a switch coupled to the fixed impedance element and configured to controllably switch the fixed impedance element into electrical communication with the tunable matching circuit. Related devices and methods are also disclosed.
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