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31. 发明公开

EP2974028A1 LOCAL OSCILLATOR (LO) GENERATOR WITH MULTI-PHASE DIVIDER AND PHASE LOCKED LOOP 审中-公开
标题翻译：采用了一块和多相位锁相环机振荡发生器
公开(公告)号：EP2974028A1
公开(公告)日：2016-01-20
申请号：EP14715181.5
申请日：2014-03-11
申请人： Qualcomm Incorporated
发明人： LIU, Li , NARATHONG, Chiewcharn
IPC分类号： H03L7/18
CPC分类号： H04B1/16 , H03L7/099 , H03L7/18
摘要： In one design, an apparatus includes an oscillator, a divider, and a phase locked loop (PLL). The oscillator receives a control signal and provides an oscillator signal having a frequency determined by the control signal. The divider receives the oscillator signal and generates multiple divided signals of different phases. The PLL receives a reference signal and a selected divided signal and generates the control signal for the oscillator. The divider is powered on and off periodically and wakes up in one of multiple possible states, with each state being associated with a different phase of the selected divided signal. Phase continuity of the selected divided signal is ensured by using the divider as part of the PLL. The PLL locks the selected divided signal to the reference signal, and the selected divided signal has continuous phase due to the reference signal having continuous phase.

32. 发明公开

EP2883305A1 MULTI-CASCODE AMPLIFIER BIAS TECHNIQUES 审中-公开
标题翻译：多编码放大器偏置技术
公开(公告)号：EP2883305A1
公开(公告)日：2015-06-17
申请号：EP13750611.9
申请日：2013-08-08
申请人： Qualcomm Incorporated
发明人： SU, Wenjun , NARATHONG, Chiewcharn , YIN, Guangming , HADJICHRISTOS, Aristotele
IPC分类号： H03F1/22 , H03F3/193
CPC分类号： H03F1/223 , H03F3/193
摘要： Techniques for generating bias voltages for a multi-cascode amplifier. In an aspect, a multi-cascode bias network is provided, each transistor in the bias network being a replica of a corresponding transistor in the multi-cascode amplifier, enabling accurate biasing of the transistors in the multi-cascode amplifier. In another aspect, a voltage supply for the multi-cascode amplifier is provided separately from a voltage supply for the replica bias network, to advantageously decouple variations in the amplifier voltage supply from the bias network voltage supply. In yet another aspect, the bias voltages of transistors in the multi-cascode amplifier may be configured by adjusting the impedance of resistive voltage dividers coupled to the transistor gate biases. As the gain of the amplifier depends on the bias voltages of the cascode amplifiers, the gain of the amplifier may be adjusted in this manner without introducing a variable gain element directly in the amplifier signal path.
摘要翻译：用于为多级共源共栅放大器生成偏置电压的技术。在一个方面中，提供了多级共射共基放大器偏置网络，偏置网络中的每个晶体管是多级共射共基放大器中的对应晶体管的复制品，其实现了多级共射共基放大器中的晶体管的精确偏置。在进一步的方面中，用于多级共射共基放大器的电压供应与用于复制品偏置网络的电压供应分离地提供，以有利地将放大器电压供应中的变化与偏置网络电压供应去耦。在又一方面，多级共射共基放大器中的晶体管的偏置电压可以通过调整耦合到晶体管栅极偏置的电阻分压器的阻抗来配置。由于放大器的增益取决于共源共栅放大器的偏置电压，所以放大器的增益可以以这种方式有利地被调整，而不会直接在放大器信号路径中引入可变增益元件。

33. 发明公开

EP2380278A1 ULTRA LOW NOISE HIGH LINEARITY LNA FOR MULTI-MODE TRANSCEIVER 有权
标题翻译：超低噪音低噪声放大器高线性度MULTI FASHIONS收发器
公开(公告)号：EP2380278A1
公开(公告)日：2011-10-26
申请号：EP09789605.4
申请日：2009-04-17
申请人： QUALCOMM Incorporated
发明人： YANG, Zixiang , NARATHONG, Chiewcharn , SUN, Bo
IPC分类号： H03F1/32 , H03F3/193 , H03F3/45 , H03F3/72
CPC分类号： H03F3/193 , H03F1/3205 , H03F1/3211 , H03F3/45183 , H03F3/72 , H03F2200/294 , H03F2200/451 , H03F2203/45386 , H03F2203/45481 , H03F2203/7221
摘要： An amplifier for operating at low, middle or high linearity modes, the amplifier comprising a first low noise amplifier (LNA) coupled to a second low noise amplifier for providing amplification; a first degeneration inductor coupled to the first LNA for providing impedance matching; a −g3 generation block coupled to an output of the second LNA for canceling third-order transconductance distortion; and a first enabling/disabling component coupled to the output of the second LNA and aligned in parallel with the −g3 generation block for operating at least one of the first and second LNAs at one of the low, middle or high linearity modes.

34. 发明公开

EP2340612A1 AMPLIFIER WITH GAIN EXPANSION STAGE 审中-公开
标题翻译：具有增益扩展级放大器
公开(公告)号：EP2340612A1
公开(公告)日：2011-07-06
申请号：EP09767874.2
申请日：2009-06-19
申请人： QUALCOMM Incorporated
发明人： NARATHONG, Chiewcharn , ANIRUDDHAN, Sankaran , SU, Wenjun
IPC分类号： H03F1/30 , H03F1/32 , H03F3/24
CPC分类号： H03F1/3276 , H03F1/301 , H03F1/308 , H03F1/3241 , H03F3/245 , H03F3/3022 , H03F2200/336 , H03F2200/451 , H03F2200/453 , H03F2203/30099 , H03F2203/30132 , H03F2203/7231
摘要： Techniques are disclosed for extending an amplifier's linear operating range by concatenating an amplifier exhibiting gain compression with a gain expansion stage. In an exemplary embodiment, a gain expansion stage incorporates a Class-B stage, a Class-AB stage, or a combination of the two. In an exemplary embodiment, both the gain compression stage and gain expansion stage are provided with a replica current biasing scheme to ensure stable biasing current over variations in temperature, process, and/or supply voltage. Further disclosed is an output voltage biasing scheme to set the DC output voltage to ensure maximum linear operating range.

35. 发明公开

EP4406129A1 RECONFIGURABLE BASEBAND FILTER 审中-实审
公开(公告)号：EP4406129A1
公开(公告)日：2024-07-31
申请号：EP22777545.9
申请日：2022-08-31
申请人： QUALCOMM INCORPORATED
发明人： LIAO, Chih-Fan , TASIC, Aleksandar Miodrag , HOLLAND, Kyle David , LEE, Jang Joon , KANG, Jian , LEUNG, Lai Kan , NARATHONG, Chiewcharn
IPC分类号： H04B1/10 , H03H11/12
CPC分类号： H04B2001/105420130101 , H04B1/1036 , H03H11/1217 , H03H2250/0020130101 , H03H2210/01220130101 , H03H2210/03620130101

36. 发明授权

EP2380278B1 ULTRA LOW NOISE HIGH LINEARITY LNA FOR MULTI-MODE TRANSCEIVER 有权
公开(公告)号：EP2380278B1
公开(公告)日：2019-10-02
申请号：EP09789605.4
申请日：2009-04-17
申请人： QUALCOMM Incorporated
发明人： YANG, Zixiang , NARATHONG, Chiewcharn , SUN, Bo
IPC分类号： H03F1/32 , H03F3/193 , H03F3/45 , H03F3/72

37. 发明授权

EP3011675B1 METHOD AND APPARATUS FOR CONCURRENT COMMUNICATION WITH MULTIPLE WIRELESS COMMUNICATION SYSTEMS OF DIFFERENT RADIO ACCESS TECHNOLOGIES 有权转让
公开(公告)号：EP3011675B1
公开(公告)日：2019-08-28
申请号：EP14739290.6
申请日：2014-06-10
申请人： Qualcomm Incorporated
发明人： LIU, Li , NARATHONG, Chiewcharn
IPC分类号： H04B1/00 , H04B1/40 , H04W16/14 , H04W72/02 , H04W88/06 , H04B1/403 , H04W72/12

38. 发明授权

EP2878159B1 LOW POWER LOCAL OSCILLATOR SIGNAL GENERATION 有权
标题翻译：低功率局部振荡信号发生
公开(公告)号：EP2878159B1
公开(公告)日：2018-02-21
申请号：EP13733477.7
申请日：2013-06-12
申请人： Qualcomm Incorporated
发明人： LIU, Li , GUDEM, Prasad Srinivasa Siva , BOSSU, Frederic , NARATHONG, Chiewcharn
IPC分类号： H04W52/02 , H04B17/10 , H04B17/20
CPC分类号： H04B17/102 , H04B17/20 , H04W52/0274 , Y02D70/00 , Y02D70/21
摘要： A method and apparatus for providing an oscillating signal within a transmitter/receiver circuit is described. The transmitter/receiver circuit may include an oscillator that generates an oscillating signal that may be provided to a low power, low gain mixer of the transmitter/receiver circuit along a shorter circuit path that includes low power circuitry, such as low power buffers and low power frequency dividers. The oscillating signal may also be provided to a high power, high gain mixer along a longer circuit path that includes high power circuitry, such as high power buffers and high power frequency dividers. Specifically, the low power circuitry is adapted to consume less power in an ON state than the high power circuitry in an ON state, and the shorter circuit path has a shorter electrical path length than the longer circuit path.

39. 发明公开

EP3205027A1 MULTIPLEX MODULES FOR CARRIER AGGREGATION RECEIVERS 有权
标题翻译：多载波模块载波聚合接收机
公开(公告)号：EP3205027A1
公开(公告)日：2017-08-16
申请号：EP15717311.3
申请日：2015-03-23
申请人： Qualcomm Incorporated
发明人： TASIC, Aleksandar Miodrag , NARATHONG, Chiewcharn , HOLENSTEIN, Christian , PAN, Dongling , TANG, Yiwu , RANGARAJAN, Rajagopalan , LEUNG, Lai Kan
IPC分类号： H04B1/00 , H03F1/22
CPC分类号： H04L27/2653 , H03F1/223 , H03F3/193 , H03F3/245 , H04B1/0064 , H04L45/16 , H04L45/245
摘要： 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.
摘要翻译：公开了用于载波聚合接收机的多路复用模块。在一个示例性实施例中，一种装置包括LNA多路复用器，其被配置为在多个输入端子处接收多个RF信号并且将这些RF信号组合成从输出端子输出的组合RF信号。该装置还包括LNA解复用器被配置为在连接到输出端子的输入端口处接收组合的RF信号并且将组合的RF信号分配到多个输出端口。

40. 发明公开

EP3011675A2 METHOD AND APPARATUS FOR CONCURRENT COMMUNICATION WITH MULTIPLE WIRELESS COMMUNICATION SYSTEMS OF DIFFERENT RADIO ACCESS TECHNOLOGIES 有权转让
标题翻译：方法和装置与多个无线通信系统不同无线接入技术同时通信
公开(公告)号：EP3011675A2
公开(公告)日：2016-04-27
申请号：EP14739290.6
申请日：2014-06-10
申请人： Qualcomm Incorporated
发明人： LIU, Li , NARATHONG, Chiewcharn
IPC分类号： H04B1/00 , H04B1/40 , H04W16/14 , H04W72/02 , H04W88/06
CPC分类号： H04W88/06 , H04B1/0053 , H04B1/403 , H04W16/14 , H04W72/1215 , H04W76/15
摘要： A wireless device supporting concurrent communication with multiple wireless systems of different radio access technologies (RATs) are disclosed. In an exemplary design, an apparatus includes first and second receivers supporting concurrent signal reception from wireless systems of different RATs. The first receiver receives a first downlink signal from a first wireless system of a first RAT. The second receiver receives a second downlink signal from a second wireless system of a second RAT, which is different from the first RAT. The first and second receivers may operate concurrently. The second receiver may be broadband and/or may support carrier aggregation. The apparatus may further include first and second local oscillator (LO) generators to generate LO signals for the first and second receivers, respectively, based on different divider ratios in order to mitigate voltage controlled oscillator (VCO) pulling.

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