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    TRANSMITTER AND METHOD OF TRANSMISSION USING SEPARATE PHASE AND AMPLITUDE MODULATORS
    2.
    发明公开
    TRANSMITTER AND METHOD OF TRANSMISSION USING SEPARATE PHASE AND AMPLITUDE MODULATORS 审中-公开
    STATION AND METHOD FOR传输采用独立相和调幅器

    公开(公告)号：EP1550230A2

    公开(公告)日：2005-07-06

    申请号：EP03759753.1

    申请日：2003-10-07

    Applicant: M/A-COM, INC.

    Inventor： DENNIS, Anthony ,  YANG, Yongwen ,  HUSSEINI, Radwan, Mohamad, Reda ,  BENGTSON, David, Eric

    IPC: H04B1/40

    CPC classification number: H03F3/24 ,  H04L27/0008 ,  H04L27/361

    Abstract: A transmitter comprises a baseband processor, a wideband phase modulator and an amplitude modulated amplifier. A signal is provided through the baseband processor and is converted into polar coordinates, comprised of amplitude and phase components, with the amplitude component being transmitted to the amplitude modulated amplifier. The amplitude modulated amplifier being comprised of independently controllable current sources, and with the phase component being transmitted to the wideband phase modulator, for modulation upon a carrier wave, and subsequent transmission to the amplitude modulated amplifier for amplification according to control imposed by the amplitude component upon the current sources.

    ELECTROMAGNETIC WAVE TRANSMITTER SYSTEMS, METHODS AND ARTICLES OF MANUFACTURE
    3.
    发明申请
    ELECTROMAGNETIC WAVE TRANSMITTER SYSTEMS, METHODS AND ARTICLES OF MANUFACTURE 审中-公开
    发射机和使用分离相和振幅调制器的传输方法

    公开(公告)号：WO2004034603A2

    公开(公告)日：2004-04-22

    申请号：PCT/US2003/031779

    申请日：2003-10-07

    Applicant: M/A-COM, Inc.

    Inventor： DENNIS, Anthony ,  YANG, Yongwen ,  HUSSEINI, Radwan, Mohamad, Reda ,  BENGTSON, David, Eric

    IPC: H04B1/40

    CPC classification number: H03F3/24 ,  H04L27/0008 ,  H04L27/361

    Abstract: A transmitter comprises a baseband processor, a wideband phase modulator and an amplitude modulated amplifier. A signal is provided through the baseband processor and is converted into polar coordinates, comprised of amplitude and phase components, with the amplitude component being transmitted to the amplitude modulated amplifier. The amplitude modulated amplifier being comprised of independently controllable current sources, and with the phase component being transmitted to the wideband phase modulator, for modulation upon a carrier wave, and subsequent transmission to the amplitude modulated amplifier for amplification according to control imposed by the amplitude component upon the current sources.

    Abstract translation: 发射机包括基带处理器，宽带相位调制器和幅度调制放大器。 通过基带处理器提供信号，并将其转换成包括幅度和相位分量的极坐标，幅度分量被传送到幅度调制放大器。 幅度调制放大器由可独立控制的电流源组成，并且相位分量被传输到宽带相位调制器，用于在载波上进行调制，随后根据幅度分量施加到幅度调制放大器进行放大 目前来源。

    COMPENSATING FOR LOAD PULL IN ELECTROMAGNETIC SIGNAL PROPAGATION USING ADAPTIVE IMPEDANCE MATCHING
    4.
    发明申请
    COMPENSATING FOR LOAD PULL IN ELECTROMAGNETIC SIGNAL PROPAGATION USING ADAPTIVE IMPEDANCE MATCHING 审中-公开
    使用自适应阻抗匹配的电磁信号传播中的负载拉紧补偿

    公开(公告)号：WO2005057781A1

    公开(公告)日：2005-06-23

    申请号：PCT/US2004/040334

    申请日：2004-12-02

    Applicant: M/A-COM, INC.

    Inventor： BENGTSON, David, Eric ,  DOUGLAS, Dale, Scott

    IPC: H03F1/56

    CPC classification number: H03F3/602 ,  H03F1/56 ,  H03F3/211 ,  H03F2200/331

    Abstract: The invention relates to for processing an electromagnetic input signal, wherein the signal is passed through an input to be modified across a plurality of modifying segments (210-216) using a characteristic of the signal, and wherein the plurality of segments (210-216) have a plurality of states controlled by a control signal, by determining a reference impedance for the input for one or more states of the plurality of segments (210-216); and adaptively adjusting impedance of the input toward the reference impedance. This may be accomplished for example, by using a matching circuit (222, 224, 226, 228) comprising one or more selected from the group consisting of a digital signal processor, a microprocessor, a logic circuit, an integrated circuit, a phase shifter (226), a resistor (228), a variable inductor, and a variable capacitor. The matching circuit (222, 224, 226, 228) determines shifts in impedance of the input after a change in state of the segments; and adaptively adjusts the impedance based upon the shift.

    Abstract translation: 本发明涉及用于处理电磁输入信号，其中信号通过使用该信号特性的跨多个修改段（210-216）进行修改的输入，并且其中多个段（210-216 ）具有由控制信号控制的多个状态，通过确定多个段（210-216）中的一个或多个状态的输入的参考阻抗; 并自适应地调整输入端向参考阻抗的阻抗。 这可以例如通过使用包括选自数字信号处理器，微处理器，逻辑电路，集成电路，移相器的一个或多个的匹配电路（222,224,226,228）来实现 （226），电阻器（228），可变电感器和可变电容器。 匹配电路（222,224,226,228）确定在段的状态改变之后输入的阻抗的移动; 并根据移位自适应调整阻抗。

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