-
公开(公告)号：US20150334711A1
公开(公告)日：2015-11-19
申请号：US14644677
申请日：2015-03-11
Applicant: QUALCOMM Incorporated
Inventor： Rajagopalan Rangarajan , Chiewcharn Narathong , Lai Kan Leung , Dongling Pan , Aleksandar Miodrag Tasic , Yiwu Tang
IPC: H04W72/04 , H04W88/06 , H04L12/709
CPC classification number: H04W72/0453 , H04B1/005 , H04B15/06 , H04L45/245 , H04W88/06
Abstract: Methods and apparatus including: setting up a plurality of configurations for a plurality of local oscillator (LO) paths of a carrier aggregation (CA) transceiver operating with a plurality of bands; calculating and comparing frequencies for each LO path of the plurality of LO paths and at least one divider ratio of LO dividers for each band of the plurality of bands to identify frequency conflicts; and reconfiguring the LO dividers for the plurality of LO paths and the plurality of bands when the frequency conflicts are identified.
Abstract translation: 一种方法和装置，包括：为多个频带操作的载波聚合（CA）收发机的多个本地振荡器（LO）路径建立多个配置; 计算和比较所述多个LO路径中的每个LO路径的频率和所述多个频带中的每个频带的LO分频器的至少一个分频比，以识别频率冲突; 以及当识别出频率冲突时，为多个LO路径和多个频带重新配置LO分频器。
-
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
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。
-
公开(公告)号：US20240429961A1
公开(公告)日：2024-12-26
申请号：US18213190
申请日：2023-06-22
Applicant: Qualcomm Incorporated
Inventor： Shilei HAO , Dongling Pan , YIWU Tang
IPC: H04B1/40
Abstract: Aspects of the present disclosure provide an integrated circuit (IC). The IC comprises oscillator systems each configured to generate a respective oscillating signal. The IC comprises signal paths each coupled to a respective one of the plurality of oscillator systems, a first one of the plurality of signal paths comprises a mixer, and another one comprises a tone generator. The tone generator is configured to generate a tone signal based on the oscillating signal from the corresponding oscillator system. The mixer is coupled to the tone generator of said another one of said plurality of signal paths and is configured to generate a mixed signal for RSB calibration based on the tone signal from the tone generator of said another one of the plurality of signal paths and the oscillating signal from the oscillator system coupled to said first one of said plurality of signal paths.
-
24.发明授权公开(公告)号：US10250314B2
公开(公告)日：2019-04-02
申请号：US15638215
申请日：2017-06-29
Applicant: QUALCOMM Incorporated
Inventor： Lai Kan Leung , Chiewcharn Narathong , Rajagopalan Rangarajan , Dongling Pan , Yiwu Tang , Aleksandar Miodrag Tasic
IPC: H04B1/16 , H04B7/08 , H04L27/152 , H04B1/00
Abstract: Certain aspects of the present disclosure provide multi-way diversity receivers with multiple synthesizers. Such a multi-way diversity receiver may be implemented in a carrier aggregation (CA) transceiver. One example wireless reception diversity circuit generally includes three or more receive paths for processing received signals and two or more frequency synthesizing circuits configured to generate local oscillating signals to downconvert the received signals. Each of the frequency synthesizing circuits is shared by at most two of the receive paths, and each pair of the frequency synthesizing circuits may generate a pair of local oscillating signals having the same frequency.
-
公开(公告)号：US20180013600A1
公开(公告)日：2018-01-11
申请号：US15715006
申请日：2017-09-25
Applicant: QUALCOMM Incorporated
Inventor： Aleksandar Miodrag Tasic , Chiewcharn Narathong , Christian Holenstein , Dongling Pan , Yiwu Tang , Rajagopalan Rangarajan , Lai Kan Leung
IPC: H04L27/26 , H04L12/761 , H04B1/00 , H03F3/24 , H03F3/193 , H04L12/709 , H03F1/22
CPC classification number: H04L27/2653 , H03F1/223 , H03F3/193 , H03F3/245 , H04B1/0064 , H04L5/001 , H04L27/2647 , H04L45/16 , H04L45/245
Abstract: An apparatus includes a low noise amplifier (LNA) multiplexer configured to receive a plurality of radio frequency (RF) signals at a plurality of input terminals and to combine the plurality of RF signals into a combined RF signal that is output at an output terminal. The LNA multiplexer includes a plurality of input signal paths, and each input signal path is coupleable to a respective input terminal of the plurality of input terminals and is configured to receive a respective RF signal of the plurality of RF signals. The apparatus further includes an LNA demultiplexer configured to receive the combined RF signal at an input port coupled to the output terminal and to distribute the combined RF signal to a plurality of output ports, each output port of the plurality of output ports configured to output the combined RF signal to a respective downconverter of a plurality of downconverters.
-
Patent Agency Ranking
公开(公告)号：US09774485B2
公开(公告)日：2017-09-26
申请号：US14664492
申请日：2015-03-20
Applicant: QUALCOMM Incorporated
Inventor： Aleksandar Miodrag Tasic , Chiewcharn Narathong , Christian Holenstein , Dongling Pan , Yiwu Tang , Rajagopalan Rangarajan , Lai Kan Leung
IPC: H04L27/26 , H04L12/761 , H04L12/709 , H03F1/22 , H04B1/00 , H03F3/193 , H03F3/24
CPC classification number: H04L27/2653 , H03F1/223 , H03F3/193 , H03F3/245 , H04B1/0064 , H04L45/16 , H04L45/245
Abstract: Multiplex modules for use in carrier aggregation receivers are disclosed. In an exemplary embodiment, an apparatus includes an LNA multiplexer configured to receive a plurality of RF signals at a plurality of input terminals and to combine the RF signals into a combined RF signal that is output from an output terminal. The apparatus also includes an LNA demultiplexer configured to receive the combined RF signal at an input port that is connected to the output terminal and to distribute the combined RF signal to a plurality of output ports.
-
公开(公告)号：US09615369B2
公开(公告)日：2017-04-04
申请号：US14644677
申请日：2015-03-11
Applicant: QUALCOMM Incorporated
Inventor： Rajagopalan Rangarajan , Chiewcharn Narathong , Lai Kan Leung , Dongling Pan , Aleksandar Miodrag Tasic , Yiwu Tang
IPC: H04W72/04 , H04L12/709 , H04W88/06 , H04B1/00 , H04B15/06
CPC classification number: H04W72/0453 , H04B1/005 , H04B15/06 , H04L45/245 , H04W88/06
Abstract: Methods and apparatus including: setting up a plurality of configurations for a plurality of local oscillator (LO) paths of a carrier aggregation (CA) transceiver operating with a plurality of bands; calculating and comparing frequencies for each LO path of the plurality of LO paths and at least one divider ratio of LO dividers for each band of the plurality of bands to identify frequency conflicts; and reconfiguring the LO dividers for the plurality of LO paths and the plurality of bands when the frequency conflicts are identified.
-
公开(公告)号：US09559640B2
公开(公告)日：2017-01-31
申请号：US14632646
申请日：2015-02-26
Applicant: QUALCOMM Incorporated
Inventor： Ahmed Abdel Monem Youssef , Prasad Srinivasa Siva Gudem , Eugene Robert Worley , Dongling Pan , Li-Chung Chang
CPC classification number: H03F1/523 , H01L27/0255 , H03F1/52 , H03F3/193 , H03F3/211 , H03F3/3016 , H03F3/68 , H03F2200/294 , H03F2200/441 , H03F2200/444 , H03F2200/451 , H03F2200/489 , H03F2203/21106
Abstract: A CMOS amplifier including electrostatic discharge (ESD) protection circuits is disclosed. In one embodiment, the CMOS amplifier may include a PMOS transistor, a NMOS transistor, primary protection diodes, and one or more auxiliary protection diodes to limit a voltage difference between terminals of the CMOS amplifier. In some embodiments, the auxiliary protection diodes may limit the voltage difference between an input terminal of the CMOS amplifier and a supply voltage, the input terminal of the CMOS amplifier and ground, and the input terminal and the output terminal of the CMOS amplifier.
Abstract translation: 公开了一种包括静电放电（ESD）保护电路的CMOS放大器。 在一个实施例中，CMOS放大器可以包括PMOS晶体管，NMOS晶体管，初级保护二极管和一个或多个辅助保护二极管，以限制CMOS放大器的端子之间的电压差。 在一些实施例中，辅助保护二极管可以限制CMOS放大器的输入端和电源电压之间的电压差，CMOS放大器的输入端和地，以及CMOS放大器的输入端和输出端。
-
公开(公告)号：US20160329976A1
公开(公告)日：2016-11-10
申请号：US14706917
申请日：2015-05-07
Applicant: QUALCOMM Incorporated
Inventor： Lai Kan Leung , Kevin Hsi Huai Wang , Dongling Pan , Chiewcharn Narathong
CPC classification number: H04B17/21 , H03F1/0205 , H03F1/0277 , H03F3/189 , H03F3/19 , H03F3/211 , H03F3/24 , H03F3/62 , H03F3/68 , H03F3/72 , H03F2200/111 , H03F2200/294 , H03F2200/451 , H03F2203/21106 , H03F2203/21142 , H03F2203/21145 , H04W24/02
Abstract: An amplifier module with an output coupler is disclosed. The amplifier module may include a plurality of input terminals and two or more output terminals. Each input terminal may be coupled to an input of an independent amplifier. Outputs from the independent amplifiers may be coupled to the two or more output terminals. The amplifier module may include an output coupler to couple the two or more output terminals together. A signal may be received by a first output terminal and be coupled by the output coupler to a second output terminal. In some embodiments, when the two or more output terminals are coupled together, the independent amplifiers may be made inactive or operated in a minimum gain configuration.
Abstract translation: 公开了具有输出耦合器的放大器模块。 放大器模块可以包括多个输入端子和两个或更多个输出端子。 每个输入端可以耦合到独立放大器的输入。 来自独立放大器的输出可以耦合到两个或更多个输出端子。 放大器模块可以包括输出耦合器以将两个或多个输出端子耦合在一起。 信号可以由第一输出端子接收并且由输出耦合器耦合到第二输出端子。 在一些实施例中，当两个或更多个输出端子耦合在一起时，独立放大器可以被制成无效或以最小增益配置运行。
-
30.发明授权公开(公告)号：US09473336B2
公开(公告)日：2016-10-18
申请号：US14671939
申请日：2015-03-27
Applicant: QUALCOMM Incorporated
Inventor： Dongling Pan , Aleksandar Miodrag Tasic , Rajagopalan Rangarajan , Lai Kan Leung , Chiewcharn Narathong , Yiwu Tang
CPC classification number: H04L27/063 , H04B1/005 , H04B1/10 , H04B7/26
Abstract: A radio frequency (RF) front end having multiple low noise amplifiers modules is disclosed. In an exemplary embodiment, an apparatus includes at least one first stage amplifier configured to amplify received carrier signals to generate at least one first stage carrier group. Each first stage carrier group includes a respective portion of the carrier signals. The apparatus also includes second stage amplifiers configured to amplify the first stage carrier groups. Each second stage amplifier configured to amplify a respective first stage carrier group to generate two second stage output signals that may be output to different demodulation stages where each demodulation stage demodulates a selected carrier signal.
Abstract translation: 公开了具有多个低噪声放大器模块的射频（RF）前端。 在示例性实施例中，装置包括至少一个第一级放大器，其配置成放大接收的载波信号以产生至少一个第一级载波组。 每个第一级载波组包括载波信号的相应部分。 该装置还包括配置成放大第一级载波组的第二级放大器。 每个第二级放大器被配置为放大相应的第一级载波组以产生两个第二级输出信号，其可以被输出到不同的解调级，其中每个解调级解调所选择的载波信号。
-
-
-
-
-
-
-
-
-
Search Results
34
records
(took 0.024 seconds)
