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    INDUCTOR-ENCLOSED VOLTAGE-CONTROLLED OSCILLATORS
    1.
    发明申请
    INDUCTOR-ENCLOSED VOLTAGE-CONTROLLED OSCILLATORS 审中-公开
    电感器电压控制振荡器

    公开(公告)号：US20150349711A1

    公开(公告)日：2015-12-03

    申请号：US14548691

    申请日：2014-11-20

    Applicant: QUALCOMM Incorporated

    Inventor： Yiping HAN ,  Yung-Chung LO ,  Zhang JIN

    IPC: H03B5/12 ,  H04B1/38

    CPC classification number: H03B5/12 ,  H03B5/1243 ,  H03B2201/025 ,  H04B1/38

    Abstract: Certain aspects of the present disclosure provide an inductor-enclosed switchable voltage-controlled oscillator (VCO), for use in a frequency synthesizer of a radio frequency integrated circuit (RFIC), for example. One example apparatus is a frequency synthesizer that generally includes a first VCO circuit comprising a first inductor and a second VCO circuit comprising a second inductor, wherein at least a portion of the first VCO circuit is disposed inside a loop of the second inductor. According to certain aspects, at least a portion of the second VCO circuit is disposed inside a loop of the first inductor.

    Abstract translation: 本公开的某些方面提供了例如用于射频集成电路（RFIC）的频率合成器中的电感器封闭的可切换压控振荡器（VCO）。 一个示例性装置是频率合成器，其通常包括第一VCO电路，其包括第一电感器和包括第二电感器的第二VCO电路，其中第一VCO电路的至少一部分设置在第二电感器的环路内。 根据某些方面，第二VCO电路的至少一部分设置在第一电感器的环路内。

    ON-CHIP DUAL-SUPPLY MULTI-MODE CMOS REGULATORS
    3.
    发明申请
    ON-CHIP DUAL-SUPPLY MULTI-MODE CMOS REGULATORS 审中-公开
    片上双电源多模CMOS调节器

    公开(公告)号：US20150349622A1

    公开(公告)日：2015-12-03

    申请号：US14630506

    申请日：2015-02-24

    Applicant: QUALCOMM Incorporated

    Inventor： Yung-Chung LO ,  Gang ZHANG ,  Yiping HAN ,  Frederic BOSSU ,  Tsai-Pi HUNG ,  Jae-Hong CHANG

    IPC: H02M1/00 ,  H02M3/156

    CPC classification number: H02M3/156 ,  G05F1/575 ,  H02M1/00 ,  H02M2001/0077

    Abstract: A method, an apparatus, and a computer program product are provided. The apparatus may be a regulator circuit. The regulator circuit includes a first voltage regulator to regulate a first input voltage to the first voltage regulator, the first voltage regulator including a P-type metal-oxide-semiconductor (PMOS), and a second voltage regulator to regulate a second input voltage to the second voltage regulator, the second voltage regulator including an N-type metal-oxide-semiconductor (NMOS). In an aspect, the first voltage regulator is coupled to the second voltage regulator.

    Abstract translation: 提供了一种方法，装置和计算机程序产品。 该装置可以是调节器电路。 调节器电路包括第一电压调节器，用于调节到第一电压调节器的第一输入电压，第一电压调节器包括P型金属氧化物半导体（PMOS）和第二电压调节器，以将第二输入电压调节到 第二电压调节器，第二电压调节器包括N型金属氧化物半导体（NMOS）。 在一方面，第一电压调节器耦合到第二电压调节器。

    LOCAL OSCILLATOR DIVIDER WITH REDUCED APPLIED CURRENT VARIATION
    4.
    发明申请
    LOCAL OSCILLATOR DIVIDER WITH REDUCED APPLIED CURRENT VARIATION 有权

    公开(公告)号：US20230049388A1

    公开(公告)日：2023-02-16

    申请号：US17403863

    申请日：2021-08-16

    Applicant: QUALCOMM Incorporated

    Inventor： Chen ZHAI ,  Yung-Chung LO

    IPC: H03K5/00 ,  H03F3/24 ,  H04B1/40

    Abstract: Aspects of the disclosure relate to a local oscillator frequency divider for a receiver or transmitter. In this regard a frequency divider has a first frequency input coupled to a first oscillator frequency output, a second frequency input coupled to a complementary second oscillator frequency output, a first in-phase/quadrature (I/Q) divided frequency output, and a complementary second I/Q divided frequency output. The frequency divider further has a first alternating current (AC) coupling capacitor between the first frequency input and the first oscillator frequency output and a second AC coupling capacitor between the second frequency input and the second oscillator frequency output.

    RECONFIGURABLE VARACTOR BANK FOR A VOLTAGE-CONTROLLED OSCILLATOR
    5.
    发明申请
    RECONFIGURABLE VARACTOR BANK FOR A VOLTAGE-CONTROLLED OSCILLATOR 审中-公开
    用于电压控制振荡器的可重构变压器组

    公开(公告)号：US20150349712A1

    公开(公告)日：2015-12-03

    申请号：US14489444

    申请日：2014-09-17

    Applicant: QUALCOMM Incorporated

    Inventor： Tsai-Pi HUNG ,  Gang ZHANG ,  Jae-Hong CHANG ,  Yung-Chung LO ,  Jianjun YU ,  Yuehai JIN

    IPC: H03B5/12

    CPC classification number: H03B5/1265 ,  H03B5/1212 ,  H03B5/1243

    Abstract: Aspects of a reconfigurable varactor array for providing a capacitance to control an output frequency of a voltage-controlled oscillator are provided. The reconfigurable varactor array can be configured to provide a configurable capacitance. The reconfigurable varactor array can include a plurality of varactor cells connected in parallel. The reconfigurable varactor array can also include a control circuit configured to receive a control signal to select the configurable capacitance from the reconfigurable varactor array. The control circuit can include a plurality of switch groups. Each switch group can be separately connected to one varactor cell in the reconfigurable varactor array. The control signal from the control circuit can control operation of each switch group.

    Abstract translation: 提供了用于提供电容以控制压控振荡器的输出频率的可重构变容二极管阵列的方面。 可配置变容二极管阵列可以配置为提供可配置的电容。 可重构变容二极管阵列可以包括并联连接的多个变容二极管单元。 可重构变容二极管阵列还可以包括控制电路，其被配置为接收控制信号以从可重构变容二极管阵列中选择可配置电容。 控制电路可以包括多个开关组。 每个开关组可以单独连接到可重新配置的变容二极管阵列中的一个变容二极管单元。 来自控制电路的控制信号可以控制每个开关组的操作。

    ON-CHIP DUAL-SUPPLY MULTI-MODE CMOS REGULATORS
    7.
    发明申请
    ON-CHIP DUAL-SUPPLY MULTI-MODE CMOS REGULATORS 有权

    公开(公告)号：US20210351696A1

    公开(公告)日：2021-11-11

    申请号：US17443093

    申请日：2021-07-20

    Applicant: QUALCOMM Incorporated

    Inventor： Yung-Chung LO ,  Gang ZHANG ,  Yiping HAN ,  Frederic BOSSU ,  Tsai-Pi HUNG ,  Jae-Hong CHANG

    IPC: H02M3/156 ,  H02M1/00 ,  G05F1/575

    Abstract: A method, an apparatus, and a computer program product are provided. The apparatus may be a regulator circuit. The regulator circuit includes a first voltage regulator to regulate a first input voltage to the first voltage regulator, the first voltage regulator including a P-type metal-oxide-semiconductor (PMOS), a second voltage regulator to regulate a second input voltage to the second voltage regulator, and a switch circuit to selectively activate at least one of the first voltage regulator or the second voltage regulator. In one aspect, the second voltage regulator includes an N-type metal-oxide-semiconductor (NMOS). In one aspect, the second voltage regulator comprises a two-stage operational transconductance amplifier (OTA) circuit. In an aspect, the first voltage regulator is coupled to the second voltage regulator.

    DIVIDED RING FOR COMMON-MODE (CM) AND DIFFERENTIAL-MODE (DM) ISOLATION
    8.
    发明申请
    DIVIDED RING FOR COMMON-MODE (CM) AND DIFFERENTIAL-MODE (DM) ISOLATION 审中-公开
    用于通用模式（CM）和差分模式（DM）隔离的分离环

    公开(公告)号：US20160365189A1

    公开(公告)日：2016-12-15

    申请号：US14737611

    申请日：2015-06-12

    Applicant: QUALCOMM Incorporated

    Inventor： Zhang JIN ,  Yung-Chung LO ,  Youngchang YOON ,  Ning YUAN ,  Apsara RAVISH SUVARNA

    IPC: H01F27/28 ,  H04B15/02

    CPC classification number: H04B15/02 ,  H01F27/362 ,  H01F2017/0093 ,  H01L23/5225 ,  H01L23/5227 ,  H04B3/28

    Abstract: Certain aspects of the present disclosure provide techniques and apparatus employing an isolation ring having a center strip of conductive material used to isolate magnetic fields generated by common-mode and differential-mode current flow through one or more inductors disposed in the ring. The apparatus generally includes an electrical component having an inductive element and a ring of electrically conductive material encircling the inductive element, wherein the ring has a strip of electrically conductive material disposed in the ring and connecting a first point on the ring to a second point on the ring.

    Abstract translation: 本公开的某些方面提供使用隔离环的技术和装置，所述隔离环具有用于隔离通过设置在环中的一个或多个电感器的共模和差模电流产生的磁场的导电材料的中心条。 该装置通常包括具有感应元件的电气元件和环绕感应元件的导电材料环，其中环具有设置在环中的导电材料条，并将环上的第一点连接到第二点上 戒指。

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