公开(公告)号：US11658690B2

公开(公告)日：2023-05-23

申请号：US17443136

申请日：2021-07-21

Applicant: QUALCOMM Incorporated

Inventor： Muhammad Hassan ,  Jeremy Darren Dunworth

IPC: H04B1/40 ,  H04B1/04 ,  H04B17/12

CPC classification number: H04B1/04 ,  H04B1/40 ,  H04B17/12

Abstract: A transceiver is configured for a calibration mode of operation in which an impedance of a transmit chain is tuned responsive to a power measurement of a mixed RF calibration signal to form a tuned transmit chain. A direct conversion mixes an RF calibration signal with a DC offset signal to form the mixed calibration signal. During a normal mode of operation, a heterodyne mixer mixes an LO signal with an IF signal to produce an RF signal that is amplified through the tuned transmit chain.

公开(公告)号：US11646277B2

公开(公告)日：2023-05-09

申请号：US17118253

申请日：2020-12-10

Applicant: QUALCOMM Incorporated

Inventor： Muhammad Hassan ,  Bhushan Shanti Asuri ,  Jeremy Darren Dunworth ,  Ravi Sridhara

IPC: H03F9/00 ,  H01L23/60 ,  H03F3/195 ,  H03F3/24

CPC classification number: H01L23/60 ,  H03F3/195 ,  H03F3/245 ,  H03F2200/318 ,  H03F2200/441 ,  H03F2200/451 ,  H03F2200/541

Abstract: According to certain aspects, a chip includes a pad, a power amplifier, a transformer coupled between an output of the power amplifier and the pad, a transistor coupled between the transformer and a ground, and a first clamp circuit coupled between a gate of the transistor and a drain of the transistor.

公开(公告)号：US11380988B2

公开(公告)日：2022-07-05

申请号：US17098319

申请日：2020-11-13

Applicant: QUALCOMM Incorporated

Inventor： Muhammad Hassan ,  Jeremy Goldblatt ,  Bhushan Shanti Asuri ,  Jeremy Darren Dunworth ,  Abdellatif Bellaouar ,  Ravi Sridhara ,  Jorge Garcia

IPC: H01Q3/24 ,  H04B1/44 ,  H01Q21/12 ,  H01Q21/20

Abstract: In some aspects, an apparatus includes a transformer including a first inductor, a second inductor, and a third inductor. The apparatus also includes a power amplifier coupled to the first inductor, a first antenna coupled to a first terminal of the second inductor, a second antenna coupled to a second terminal of the second inductor, a first switch coupled between the first terminal of the second inductor and a ground, a second switch coupled between the second terminal of the second inductor and the ground, and a low-noise amplifier coupled to the third inductor.

公开(公告)号：US09379673B2

公开(公告)日：2016-06-28

申请号：US14292330

申请日：2014-05-30

Applicant: QUALCOMM Incorporated

Inventor： Chuan Wang ,  Dongling Pan ,  Yiwu Tang ,  Klaas van Zalinge ,  Muhammad Hassan

IPC: H03F1/22 ,  H03F1/32 ,  H03F3/19 ,  H03F1/26 ,  H04L25/03 ,  H03F3/193 ,  H03F3/24

CPC classification number: H03F1/32 ,  H03F1/223 ,  H03F1/26 ,  H03F1/3205 ,  H03F3/19 ,  H03F3/193 ,  H03F3/245 ,  H03F2200/111 ,  H03F2200/165 ,  H03F2200/171 ,  H03F2200/294 ,  H03F2200/405 ,  H03F2200/408 ,  H03F2200/411 ,  H03F2200/451 ,  H03F2201/3215 ,  H04L25/03006

Abstract: A device includes a main two-stage low noise amplifier (LNA) configured to amplify a carrier aggregation (CA) communication signal, the main two-stage LNA comprising a first LNA stage and a second LNA stage, an output of the first LNA stage having a first stage second order intermodulation product, the second LNA stage comprising a phase-inverter configured to phase-invert the output of the first LNA stage to generate a second stage phase-inverted output, and an auxiliary LNA stage coupled to the main two-stage LNA, the auxiliary LNA stage configured to cancel the first stage second order intermodulation product.

Abstract translation: 一种装置包括被配置为放大载波聚合（CA）通信信号的主要两级低噪声放大器（LNA），所述主要两级LNA包括第一LNA级和第二LNA级，所述第一LNA级的输出 具有第一级二阶互调产物，所述第二LNA级包括被配置为相位反转所述第一LNA级的输出以产生第二级相位反相输出的相位反相器，以及耦合到所述主二极管的辅助LNA级 级LNA，辅助LNA级配置为取消第一级二阶互调产物。

公开(公告)号：US12002769B2

公开(公告)日：2024-06-04

申请号：US18300256

申请日：2023-04-13

Applicant: QUALCOMM Incorporated

Inventor： Muhammad Hassan ,  Bhushan Shanti Asuri ,  Jeremy Darren Dunworth ,  Ravi Sridhara

IPC: H03F3/45 ,  H01L23/60 ,  H03F3/195 ,  H03F3/24

CPC classification number: H01L23/60 ,  H03F3/195 ,  H03F3/245 ,  H03F2200/318 ,  H03F2200/441 ,  H03F2200/451 ,  H03F2200/541

Abstract: In certain aspects, a chip includes a pad, and a power amplifier having a first output and a second output. The chip also includes a transformer, wherein the transformer includes a first inductor coupled between a first terminal and a second terminal of the transformer, wherein the first terminal is coupled to the first output of the power amplifier, and the second terminal is coupled to the second output of the power amplifier. The transformer also includes a second inductor coupled between a third terminal and a fourth terminal of the transformer, wherein the third terminal is coupled to the pad. The chip also includes a first switch coupled to the fourth terminal, a shunt inductor coupled in parallel with the first switch, and a low-noise amplifier coupled to the third terminal.

公开(公告)号：US20240178795A1

公开(公告)日：2024-05-30

申请号：US18060295

申请日：2022-11-30

Applicant: Qualcomm Incorporated

Inventor： Mohamed Abouzied ,  Chuan Wang ,  Anosh Davierwalla ,  Muhammad Hassan ,  Vinod Panikkath ,  Li Liu

IPC: H03D7/14 ,  H04B17/21

CPC classification number: H03D7/1491 ,  H04B17/21

Abstract: An apparatus is disclosed for oscillator feedthrough calibration, such as a component arrangement that can be calibrated to account for signal leakage from an oscillator coupled to a mixer circuit. In example aspects, the apparatus includes a mixer circuit having a first stage, a second stage, and tuning circuitry. The first stage includes at least one transistor coupled between a mixer input and a mixer output. The second stage includes one or more transistors coupled between the at least one transistor of the first stage and the mixer output. The one or more transistors are also coupled between a local oscillator signal input and the mixer output. The tuning circuitry includes at least one current source coupled to the at least one transistor of the first stage.

公开(公告)号：US11736150B2

公开(公告)日：2023-08-22

申请号：US17485364

申请日：2021-09-25

Applicant: QUALCOMM Incorporated

Inventor： Chuan Wang ,  Maziar Hedayati ,  Bhushan Shanti Asuri ,  Muhammad Hassan ,  Chinmaya Mishra ,  Anosh Davierwalla

IPC: H04B5/00 ,  H01Q3/36 ,  H03H7/20

CPC classification number: H04B5/0081 ,  H01Q3/36 ,  H03H7/20

Abstract: Aspects of the present relate to reflection type phase shifters for radio frequency (RF) wireless devices. Reflection type phase structures in accordance with aspects described herein can improve device performance with compact configurations, such as where magnetic and capacitive coupling is integrated into a device design to integrate interactions between elements for improved phase shifting performance in a compact design with wideband performance.

公开(公告)号：US20160241211A1

公开(公告)日：2016-08-18

申请号：US14620823

申请日：2015-02-12

Applicant: QUALCOMM Incorporated

Inventor： Muhammad Hassan ,  Bhushan Shanti Asuri ,  Apsara Ravish Suvarna ,  Youngchang Yoon

IPC: H03F3/45 ,  H03F1/22

CPC classification number: H03F3/45632 ,  H03F1/223 ,  H03F3/245 ,  H03F3/45188 ,  H03F2200/09 ,  H03F2200/378 ,  H03F2203/45024 ,  H03F2203/45082 ,  H03F2203/45084 ,  H03F2203/45204 ,  H03F2203/45481 ,  H03F2203/45631 ,  H03F2203/45638 ,  H03F2203/45706 ,  H03F2203/45731

Abstract: A differential amplifier having a tunable filter is disclosed. The tunable filter may attenuate some common-mode signals while not affecting amplification of differential signals. The tunable filter may include a resonant circuit to select frequencies of common-mode signals to attenuate. The resonant circuit may include a variable capacitor series-coupled to an inductor. A resonant frequency of the resonant circuit may be determined, in part, by a capacitance value of the variable capacitor.

Abstract translation: 公开了一种具有可调谐滤波器的差分放大器。 可调谐滤波器可以衰减一些共模信号，而不影响差分信号的放大。 可调滤波器可以包括谐振电路，以选择共模信号的频率来衰减。 谐振电路可以包括串联耦合到电感器的可变电容器。 谐振电路的谐振频率可以部分地由可变电容器的电容值确定。

公开(公告)号：US09374043B2

公开(公告)日：2016-06-21

申请号：US14292216

申请日：2014-05-30

Applicant: QUALCOMM Incorporated

Inventor： Chuan Wang ,  Dongling Pan ,  Yiwu Tang ,  Klaas van Zalinge ,  Muhammad Hassan

IPC: H03F3/191 ,  H03F1/26 ,  H03F3/19 ,  H04B1/40 ,  H03F1/22 ,  H03F1/32 ,  H03F1/56 ,  H03F3/193 ,  H03F3/24

CPC classification number: H03F1/26 ,  H03F1/223 ,  H03F1/3205 ,  H03F1/565 ,  H03F3/19 ,  H03F3/193 ,  H03F3/245 ,  H03F2200/111 ,  H03F2200/165 ,  H03F2200/168 ,  H03F2200/171 ,  H03F2200/294 ,  H03F2200/411 ,  H03F2200/451 ,  H04B1/40

Abstract: A device includes a load circuit configured to receive an amplified communication signal, the load circuit having a center tapped inductor structure configured to divide the amplified communication signal into a first portion and a second portion, the load circuit configured to resonate at a harmonic of the amplified communication signal.

Abstract translation: 一种装置包括被配置为接收放大的通信信号的负载电路，所述负载电路具有中心抽头电感器结构，其被配置为将被放大的通信信号分成第一部分和第二部分，所述负载电路被配置为以 放大通信信号。

公开(公告)号：US20150237583A1

公开(公告)日：2015-08-20

申请号：US14180434

申请日：2014-02-14

Applicant: QUALCOMM Incorporated

Inventor： Muhammad Hassan ,  Yiwu Tang ,  Klaas van Zalinge ,  Chuan Wang ,  Dongling Pan

IPC: H04W52/02 ,  H03G3/00 ,  H03F1/02 ,  H04B1/40 ,  H03F3/193

CPC classification number: H04W52/0261 ,  H03F1/0205 ,  H03F3/189 ,  H03F3/191 ,  H03F3/193 ,  H03F2200/294 ,  H03F2200/451 ,  H03G3/00 ,  H04B1/40 ,  H04W88/06 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/142 ,  Y02D70/144 ,  Y02D70/164

Abstract: A device includes a multi-mode low noise amplifier (LNA) having a first amplifier stage, and a second amplifier stage coupled to the first amplifier stage, the second amplifier stage having a plurality of amplification paths configured to amplify a plurality of carrier frequencies, the first amplifier stage configured to bypass the second amplifier stage when the first amplifier stage is configured to amplify a single carrier frequency.

Abstract translation: 一种器件包括具有第一放大级的多模低噪声放大器（LNA）和耦合到第一放大级的第二放大级，第二放大级具有多个放大路径，用于放大多个载波频率， 当第一放大器级配置成放大单个载波频率时，第一放大器级被配置为绕过第二放大器级。