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1. 发明申请

US20120013401A1 POWER AMPLIFIER WITH SELECTABLE LOAD IMPEDANCE AND METHOD OF AMPLIFYING A SIGNAL WITH SELECTABLE LOAD IMPEDANCE 审中-公开
标题翻译：具有可选负载阻抗的功率放大器和放大具有可选负载阻抗的信号的方法
公开(公告)号：US20120013401A1
公开(公告)日：2012-01-19
申请号：US12835853
申请日：2010-07-14
申请人： Moon-Suk JEON , Chan Hoe KOO , Hyung Bin LEE , Sang Hwa JUNG
发明人： Moon-Suk JEON , Chan Hoe KOO , Hyung Bin LEE , Sang Hwa JUNG
IPC分类号： H03F1/30
CPC分类号： H03F1/56 , H03F1/02 , H03F2200/387 , H03F2200/513
摘要： A device includes: a power amplifier, including a supply voltage terminal, an input port and an output port, and the power amplifier being configured to receive a supply voltage at the supply voltage terminal, an input signal through the input port, to amplify the received input signal, and to output an amplified output signal through the output port; a variable impedance matching circuit having an input terminal connected to the output port of the power amplifier, and having an output terminal for being connected to a load; and a controller including a voltage measuring unit configured to measure the supply voltage, to compare the measured supply voltage with a threshold voltage, and to control the variable impedance matching circuit based on a result of the comparison so as to adjust a load impedance seen by the power amplifier at its output port.
摘要翻译：一种设备包括：功率放大器，包括电源电压端子，输入端口和输出端口，并且功率放大器被配置为在电源电压端子处接收通过输入端口的输入信号的电源电压，以放大接收输入信号，并通过输出端口输出放大的输出信号; 可变阻抗匹配电路，其具有连接到功率放大器的输出端口的输入端子，并具有用于连接到负载的输出端子; 以及控制器，其包括电压测量单元，其被配置为测量所述电源电压，以将所测量的电源电压与阈值电压进行比较，并且基于所述比较的结果来控制所述可变阻抗匹配电路，以便调整由功率放大器在其输出端口。

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