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    SWING TRACKING AND CONTROL
    2.
    发明申请
    SWING TRACKING AND CONTROL 审中-公开

    公开(公告)号：WO2020205828A1

    公开(公告)日：2020-10-08

    申请号：PCT/US2020/025899

    申请日：2020-03-31

    Applicant: QUALCOMM INCORPORATED

    Inventor： CHEN, Wu-Hsin ,  XU, Rui ,  VIGILANTE, Marco ,  LIU, Li ,  WU, Xiaotie

    IPC: H03B5/12 ,  H03F1/34

    Abstract: In certain aspects, an apparatus includes a transformer including an input inductor and an output inductor, wherein the input inductor is magnetically coupled to the output inductor. The apparatus also includes a transconductance driver configured to drive the input inductor based on an input signal. The apparatus further includes a feedback circuit configured to detect an output voltage swing at the output inductor, generate a regulated voltage at the input inductor, and control the regulated voltage based on the detected output voltage swing.

    SINGLE-INPUT MULTIPLE-OUTPUT AMPLIFIERS WITH SIMULTANEOUS MULTIPLE GAIN MODES
    4.
    发明申请
    SINGLE-INPUT MULTIPLE-OUTPUT AMPLIFIERS WITH SIMULTANEOUS MULTIPLE GAIN MODES 审中-公开
    单输入多输出放大器同时采用多种增益模式

    公开(公告)号：WO2015148750A1

    公开(公告)日：2015-10-01

    申请号：PCT/US2015/022628

    申请日：2015-03-26

    Applicant: QUALCOMM INCORPORATED

    Inventor： XU, Rui ,  HE, Allen ,  LEUNG, Wingching Vincent ,  YOUSSEF, Ahmed Abdel Monem ,  ABDEL GHANY, Ehab Ahmed Sobhy ,  WOO, Sang Hyun ,  CHANG, Li-Chung

    IPC: H03F3/189 ,  H03F3/68

    CPC classification number: H03F3/193 ,  H03F1/56 ,  H03F3/189 ,  H03F3/68 ,  H03F2200/222 ,  H03F2200/42 ,  H04B1/1607

    Abstract: A device includes at least one first amplifier circuit configurable to receive and amplify an input radio frequency (RF) signal having a first carrier at a first input signal level and provide a first amplified RF signal, and at least one second amplifier circuit configurable to receive and amplify the input RF signal having a second carrier at a second input signal level and provide a second amplified RF signal, the at least one first amplifier circuit having a first input impedance, the at least one second amplifier circuit having a second input impedance.

    Abstract translation: 一种装置包括至少一个第一放大器电路，其可配置为接收和放大具有第一输入信号电平的第一载波的输入射频（RF）信号并提供第一放大RF信号，以及至少一个第二放大器电路， 并且放大具有第二输入信号电平的第二载波的输入RF信号，并提供第二放大RF信号，所述至少一个第一放大器电路具有第一输入阻抗，所述至少一个第二放大器电路具有第二输入阻抗。

    AMPLIFIERS WITH NOISE SPLITTING
    5.
    发明申请
    AMPLIFIERS WITH NOISE SPLITTING 审中-公开
    噪声分离放大器

    公开(公告)号：WO2014066421A1

    公开(公告)日：2014-05-01

    申请号：PCT/US2013/066230

    申请日：2013-10-22

    Applicant: QUALCOMM INCORPORATED

    Inventor： XU, Rui ,  CHANG, Li-Chung

    IPC: H03F3/19 ,  H03F1/22 ,  H03F3/72 ,  H03F3/21 ,  H03F1/26 ,  H03F3/24 ,  H03F3/68

    CPC classification number: H03F1/26 ,  H03F1/223 ,  H03F3/19 ,  H03F3/195 ,  H03F3/211 ,  H03F3/245 ,  H03F3/68 ,  H03F3/72 ,  H03F2200/294 ,  H03F2200/421 ,  H03F2200/451 ,  H03F2200/492 ,  H03F2200/537 ,  H03F2200/541 ,  H03F2203/21145

    Abstract: Amplifiers with noise splitting to improve noise figure are disclosed. In an exemplary design, an apparatus (e.g., a wireless device, an integrated circuit, etc.) includes a plurality of amplifier circuits (550a, 550b, 550m) and at least one interconnection circuit (580a, 580b). The amplifier circuits (550a, 550b, 550m) receive an input radio frequency signal (RFin). The interconnection circuits (580a, 580b) are coupled between the plurality of amplifier circuits (550a, 550b, 550m). Each interconnection circuit (580a, 580b) is closed to short the outputs or internal nodes of two amplifier circuits coupled to that interconnection circuit (580a, 580b). The plurality of amplifier circuits (550a, 550b, 550m) may include a plurality of gain circuits (560a, 560b, 560m) coupled to a plurality of current buffers (570a, 570b, 570m), one gain circuit and one current buffer for each amplifier circuit.

    Abstract translation: 公开了具有噪声分离以改善噪声系数的放大器。 在示例性设计中，装置（例如，无线装置，集成电路等）包括多个放大器电路（550a，550b，550m）和至少一个互连电路（580a，580b）。 放大器电路（550a，550b，550m）接收输入射频信号（RFin）。 互连电路（580a，580b）耦合在多个放大器电路（550a，550b，550m）之间。 每个互连电路（580a，580b）关闭以使耦合到该互连电路（580a，580b）的两个放大器电路的输出或内部节点短路。 多个放大器电路（550a，550b，550m）可以包括耦合到多个电流缓冲器（570a，570b，570m）的多个增益电路（560a，560b，560m），每个增益电路和一个电流缓冲器 放大电路。

    AMPLIFIERS WITH BOOSTED OR DEBOOSTED SOURCE DEGENERATION INDUCTANCE
    7.
    发明申请
    AMPLIFIERS WITH BOOSTED OR DEBOOSTED SOURCE DEGENERATION INDUCTANCE 审中-公开
    具有升压或去离子源变差电感的放大器

    公开(公告)号：WO2014165480A1

    公开(公告)日：2014-10-09

    申请号：PCT/US2014/032479

    申请日：2014-04-01

    Applicant: QUALCOMM INCORPORATED

    Inventor： XU, Rui ,  CHANG, Li-Chung

    IPC: H03F1/22 ,  H03F1/34 ,  H03F3/193 ,  H03F3/24 ,  H03F3/45 ,  H03F3/72 ,  H03F3/68

    CPC classification number: H03F1/342 ,  H03F1/223 ,  H03F3/193 ,  H03F3/245 ,  H03F3/45179 ,  H03F3/68 ,  H03F3/72 ,  H03F2200/111 ,  H03F2200/121 ,  H03F2200/156 ,  H03F2200/159 ,  H03F2200/492 ,  H03F2200/541 ,  H03F2203/45302 ,  H03F2203/45318 ,  H03F2203/45332 ,  H03F2203/45386 ,  H03F2203/45394 ,  H03F2203/45511 ,  H03F2203/45534 ,  H03F2203/7209

    Abstract: Amplifiers with boosted or deboosted source degeneration inductance are disclosed. In an exemplary design, an apparatus includes an amplifier circuit (400) and a feedback circuit (450). The amplifier circuit (400) receives an input signal (RFin) and provides an output signal (RFout) and includes a source degeneration inductor (432). The feedback circuit (450) is coupled between a node of the amplifier circuit and the source degeneration inductor (432). The feedback circuit (450) provides feedback to vary an input impedance of an amplifier including the amplifier circuit and the feedback circuit. The feedback circuit (450) may be programmable and may be enabled to provide feedback or disabled to provide no feedback. Alternatively, the feedback circuit (450) may always be enabled to provide feedback. In either case, the feedback circuit (450) may have a variable gain to provide a variable input impedance for the amplifier.

    Abstract translation: 公开了具有升压或去激发的源极退化电感的放大器。 在示例性设计中，装置包括放大器电路（400）和反馈电路（450）。 放大器电路（400）接收输入信号（RFin）并提供输出信号（RFout）并且包括源极退化电感器（432）。 反馈电路（450）耦合在放大器电路的节点和源极退化电感器（432）之间。 反馈电路（450）提供反馈以改变包括放大器电路和反馈电路的放大器的输入阻抗。 反馈电路（450）可以是可编程的并且可以被启用以提供反馈或禁用以提供反馈。 或者，反馈电路（450）可以总是能够提供反馈。 在任一种情况下，反馈电路（450）可以具有可变增益以为放大器提供可变输入阻抗。

    ROUTING AND SHIELDING OF SIGNAL LINES TO IMPROVE ISOLATION
    8.
    发明公开
    ROUTING AND SHIELDING OF SIGNAL LINES TO IMPROVE ISOLATION 审中-公开

    公开(公告)号：EP3367576A1

    公开(公告)日：2018-08-29

    申请号：EP18166592.8

    申请日：2014-04-01

    Applicant: Qualcomm Incorporated

    Inventor： YOUSSEF, Ahmed Abdel Monem ,  CHANG, Li-Chung ,  LEUNG, Wingching Vincent ,  HE, Allen ,  XU, Rui ,  ABDEL GHANY, Ehab Ahmed Sobhy

    IPC: H04B1/00 ,  H05K1/02

    Abstract: Techniques for routing and shielding signal lines to improve isolation between the signal lines are disclosed. In an exemplary design, an apparatus includes first, second, and third signal lines and a switch. The first, second, and third signal lines are configurable to carry first, second, and third signals, respectively. The switch is coupled between the second signal line and AC ground and is closed when the second signal line is not carrying the second signal. The second signal line isolates the first and third signal lines when the switch is closed. Adjacent signal lines are not active at the same time. A signal line may include positive and negative signal lines, which may have at least one cross over in order to cancel coupling between the positive and negative signal lines.

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