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10 条记录 (耗时 0.046 秒)

    SYSTEM AND METHOD FOR POWER AMPLIFIER OUTPUT POWER CONTROL
    1.
    发明公开
    SYSTEM AND METHOD FOR POWER AMPLIFIER OUTPUT POWER CONTROL 有权
    VERFAHREN ZURLEISTUNGSVERSTÄRKER-AUSGANGSLEISTUNGSREGELUNG系统

    公开(公告)号：EP2095503A2

    公开(公告)日：2009-09-02

    申请号：EP07837832.0

    申请日：2007-09-07

    申请人： Axiom Microdevices, Inc.

    发明人： MAGOON, Rahul ,  AOKI, Ichiro ,  LYU, John ,  KEE, Scott ,  APARICO JOO, Roberto

    IPC分类号： H03G3/30

    CPC分类号： H03G3/3042 ,  G01R21/12 ,  H03F1/02 ,  H03F1/52 ,  H03F3/19 ,  H03F2200/102 ,  H03F2200/451 ,  H03F2200/462 ,  H03F2200/471 ,  H03F2200/541 ,  H03F2200/99 ,  H03G3/3047

    摘要： An architecture for detecting amplifier power is provided. The architecture includes a voltage envelope detector that receives a voltage signal and generates a voltage envelope signal. A current envelope detector receives a current signal and generates a current envelope signal. A power amplifier level controller receives the greater of the voltage envelope signal and the current envelope signal, such as by connecting the output of the voltage envelope detector and the current envelope detector at a common point and conducting the high frequency current components to ground via a capacitor. A power amplifier level control signal is then generated based on the voltage drop across the capacitor.

    摘要翻译： 提供了一种用于检测放大器功率的架构。 该架构包括电压包络检测器，其接收电压信号并产生电压包络信号。 电流包络检测器接收电流信号并产生电流包络信号。 功率放大器电平控制器接收较大的电压包络信号和电流包络信号，例如通过在公共点处连接电压包络检测器的输出和电流包络检测器，并将高频电流分量经由 电容。 然后基于电容器两端的电压降产生功率放大器电平控制信号。

    REPLICA LINEARIZED POWER AMPLIFIER
    5.
    发明授权
    REPLICA LINEARIZED POWER AMPLIFIER 有权
    REPLICA线性功率放大器

    公开(公告)号：EP2055061B1

    公开(公告)日：2011-11-23

    申请号：EP07813691.8

    申请日：2007-08-02

    申请人： Axiom Microdevices, Inc.

    发明人： MAGOON, Rahul ,  JOO, Roberto, Aparicio ,  KEE, Scott, D. ,  AOKI, Ichiro

    IPC分类号： H04L25/03 ,  H04L25/49 ,  H04L27/04 ,  H03C3/00 ,  H03K7/06 ,  H04L27/20 ,  H03K9/06 ,  H04L27/08

    CPC分类号： H03F3/189 ,  H03C5/00 ,  H03F1/3223 ,  H03F2200/435 ,  H03F2200/453

    摘要： A power amplifier includes a power amplifier core in which a transmit signal having an amplitude-modulated (AM) component and a phase-modulated (PM) component is passed and amplified, the power amplifier comprising a forward path, and an additional amplification device configured to generate an output that is proportional to an output of the power amplifier core, such that the output of the additional amplification device indirectly controls the output of the power amplifier core.

    摘要翻译： 功率放大器包括功率放大器核心，其中具有幅度调制（AM）分量和相位调制（PM）分量的发射信号被传递和放大，功率放大器包括正向路径以及配置的附加放大装置 以产生与功率放大器核心的输出成比例的输出，使得附加放大装置的输出间接地控制功率放大器核心的输出。

    SYSTEM AND METHOD FOR LOW DELAY CORRECTIVE FEEDBACK POWER AMPLIFIER CONTROL
    9.
    发明公开
    SYSTEM AND METHOD FOR LOW DELAY CORRECTIVE FEEDBACK POWER AMPLIFIER CONTROL 有权
    系统和一种用于控制KORREKTURFEEDBACK-功率放大器低延迟

    公开(公告)号：EP2055012A2

    公开(公告)日：2009-05-06

    申请号：EP07813688.4

    申请日：2007-08-02

    申请人： Axiom Microdevices, Inc.

    发明人： MAGOON, Rahul ,  DAMGAARD, Morten ,  JOO, Roberto, Aparicio ,  KEE, Scott, D. ,  AOKI, Ichiro

    IPC分类号： H04B1/04

    CPC分类号： H03G3/004 ,  H03F1/34 ,  H03F3/19 ,  H03F3/24 ,  H04B2001/0433

    摘要： A system for controlling the power output of a power amplifier includes a power amplifier through which a transmit signal having an amplitude-modulated (AM) component and a phase-modulated (PM) component is passed and amplified, the power amplifier comprising a forward path, a feedback signal comprising a portion of the output of the power amplifier, a first control loop configured to receive the feedback signal and configured to apply an amplitude modulated (AM) signal to the power amplifier and configured to control the gain of the power amplifier, a second control loop configured to receive the feedback signal and configured to correct for offsets in the forward path and to linearize the first control loop; and a third control loop configured to receive the feedback signal and configured to control the phase of the PM component of the transmit signal.