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1. 发明申请

WO2018162746A1 POWER AMPLIFIER WITH STEPWISE ENVELOPE TRACKING AND ADAPTIVE LOAD 审中-公开
公开(公告)号：WO2018162746A1
公开(公告)日：2018-09-13
申请号：PCT/EP2018/055972
申请日：2018-03-09
申请人： ACCO
发明人： PIERRE-CHARLES-FELIX, Pascal , KIMON, Vivien , GUÉGNAUD, Hervé , VINAYAK, Vikas
IPC分类号： H03F1/02 , H03F3/193 , H03F3/24
CPC分类号： H03F1/025 , H03F1/0266 , H03F3/193 , H03F3/245 , H03F2200/09 , H03F2200/102 , H03F2200/15 , H03F2200/18 , H03F2200/228 , H03F2200/234 , H03F2200/297 , H03F2200/301 , H03F2200/306 , H03F2200/309 , H03F2200/378 , H03F2200/387 , H03F2200/391 , H03F2200/393 , H03F2200/399 , H03F2200/411 , H03F2200/451 , H03F2200/471 , H03F2200/511 , H03F2200/516 , H03F2200/541 , H03F2200/546 , H03F2200/555
摘要： Circuity for improving linearity and efficiency in mobile device power amplification is provided. The circuitry provides multi-level envelope tracking to divide the input power range of the RF input signal into several discrete steps and to control the supply voltage to the power amplifier accordingly. The circuitry also provides multi- level gate control to add a bias voltage to the RF input signal at each stage of the power amplifier to correct for phase and gain distortions. The circuitry further provides an adaptive load on the power amplifier by measuring the resistive and imaginary parts of the load at the output of the power stage of the power amplifier and adjusting an output matching network that follows the power stage.

2. 发明申请

WO2018128764A1 LOW-NOISE AMPLIFIER (LNA) WITH CAPACITIVE ATTENUATOR 审中-公开
公开(公告)号：WO2018128764A1
公开(公告)日：2018-07-12
申请号：PCT/US2017/066246
申请日：2017-12-14
申请人： QUALCOMM INCORPORATED
发明人： HANAFI, Bassel , ABDELHALEM, Sherif , LAKDAWALA, Hasnain
IPC分类号： H03F3/193 , H03F3/26 , H03F1/22 , H03F1/56 , H03F3/21 , H03F3/24 , H03F3/68 , H03F3/72 , H03G3/30
CPC分类号： H03G1/0005 , H03F1/0205 , H03F1/223 , H03F1/56 , H03F3/19 , H03F3/193 , H03F3/21 , H03F3/211 , H03F3/245 , H03F3/265 , H03F3/68 , H03F3/72 , H03F2200/111 , H03F2200/213 , H03F2200/222 , H03F2200/231 , H03F2200/294 , H03F2200/42 , H03F2200/451 , H03F2200/546 , H03G1/0017 , H03G3/3052 , H03G2201/103 , H03G2201/106
摘要： Certain aspects of the present disclosure generally relate to a multi-output amplifier (400) implemented using a capacitive attenuator (414). For example, the multi-output amplifier (400) generally includes a first capacitive attenuator (414) coupled to an input node of the multi-output amplifier (400). In certain aspects, the multi-output amplifier (400) also includes a first amplification stage (416) having an input coupled to a tap node of the first capacitive attenuator (414) and an output coupled to a first output node of the multi-output amplifier (400), and a second amplification stage (418) having an output coupled to a second output node of the multi-output amplifier (400). For certain aspects, the multi-output amplifier includes a second capacitive attenuator coupled to the input node of the multi-output amplifier, and the second amplification stage has an input coupled to a tap node of the second capacitive attenuator.

3. 发明申请

WO2018084981A1 SYSTEMS AND METHODS PROVIDING LOADLINE MODULATION OF A POWER AMPLIFIER 审中-公开
标题翻译：提供功率放大器负载线调制的系统和方法
公开(公告)号：WO2018084981A1
公开(公告)日：2018-05-11
申请号：PCT/US2017/054781
申请日：2017-10-02
申请人： QUALCOMM INCORPORATED
发明人： CABANILLAS, Jose
IPC分类号： H03F1/02 , H03F1/56 , H03F3/189 , H03F3/24 , H04B1/04
CPC分类号： H03F1/56 , H03F1/0272 , H03F3/189 , H03F3/193 , H03F3/21 , H03F3/24 , H03F3/245 , H03F2200/102 , H03F2200/171 , H03F2200/387 , H03F2200/451 , H03F2200/78 , H04B1/0458
摘要： A circuit including: a power amplifier configured to provide amplified signals to a load; an impedance matching network disposed between the power amplifier and the load, the impedance matching network comprising an adjustable impedance unit; and a feedback loop comprising a rectifier, the rectifier being coupled with an output of the power amplifier, the feedback loop further comprising and impedance control circuit configured to receive a signal from the rectifier and to control the adjustable impedance unit in response to the signal from the rectifier.
摘要翻译：一种电路，包括：功率放大器，被配置为将放大的信号提供给负载; 布置在所述功率放大器与所述负载之间的阻抗匹配网络，所述阻抗匹配网络包括可调阻抗单元; 以及包括整流器的反馈回路，所述整流器与所述功率放大器的输出耦合，所述反馈回路还包括阻抗控制电路，所述阻抗控制电路被配置为从所述整流器接收信号并且响应于来自所述整流器的信号来控制所述可调阻抗单元整流器。

4. 发明申请

WO2018080732A1 LOW IMPEDANCE ADAPTIVE BIAS SCHEME FOR POWER AMPLIFIER 审中-公开
标题翻译：低阻抗功率放大器自适应偏置方案
公开(公告)号：WO2018080732A1
公开(公告)日：2018-05-03
申请号：PCT/US2017/054552
申请日：2017-09-29
申请人： QUALCOMM INCORPORATED
发明人： KIM, Woonyun
IPC分类号： H03F1/02 , H03F3/19 , H03F3/24
CPC分类号： H03F1/0205 , H03F1/0266 , H03F3/19 , H03F3/195 , H03F3/245 , H03F3/50 , H03F2200/111 , H03F2200/18 , H03F2200/451 , H04B1/0028 , H04B1/04 , H04B1/38 , H04B2001/0408
摘要： An adaptive bias circuit (400) for a power amplifier (470) may include a terminal node (432) coupled to the power amplifier (470). The adaptive bias circuit (400) may also include a low impedance bias circuit (410) coupled to the terminal node (432). The adaptive bias circuit (400) may further include a high drive bias circuit (440) coupled to the low impedance bias circuit (410) through the terminal node (432). A separation device (430) may be arranged between the low impedance bias circuit (410) and the high drive bias circuit (440).
摘要翻译：用于功率放大器（470）的自适应偏置电路（400）可以包括耦合到功率放大器（470）的终端节点（432）。自适应偏置电路（400）还可以包括耦合到终端节点（432）的低阻抗偏置电路（410）。自适应偏置电路（400）可以进一步包括通过终端节点（432）耦合到低阻抗偏置电路（410）的高驱动偏置电路（440）。分离装置（430）可以布置在低阻抗偏置电路（410）和高驱动偏置电路（440）之间。

5. 发明申请

WO2018031194A1 SYSTEMS AND METHODS PROVIDING AN INTERMODULATION DISTORTION SINK 审中-公开
标题翻译：提供交调失真水槽的系统和方法
公开(公告)号：WO2018031194A1
公开(公告)日：2018-02-15
申请号：PCT/US2017/042395
申请日：2017-07-17
申请人： QUALCOMM INCORPORATED
发明人： GATHMAN, Timothy Donald , PATEL, Chirag Dipak , VUJCIC, Sasha , TASIC, Aleksandar Miodrag , CHEN, Wu-Hsin , VAN ZALINGE, Klaas
IPC分类号： H03F1/32 , H03F1/08 , H03F3/193 , H03F3/30 , H03F3/45 , H03H11/32
CPC分类号： H03H11/32 , H03F1/086 , H03F1/3205 , H03F1/3217 , H03F1/3223 , H03F3/19 , H03F3/193 , H03F3/21 , H03F3/3022 , H03F3/45183 , H03F3/45237 , H03F3/45475 , H03F2200/06 , H03F2200/09 , H03F2200/129 , H03F2200/144 , H03F2200/18 , H03F2200/21 , H03F2200/24 , H03F2200/294 , H03F2200/321 , H03F2200/33 , H03F2200/42 , H03F2200/451 , H03F2200/453 , H03F2200/555 , H03F2203/30069 , H03F2203/45091 , H03F2203/45101 , H03F2203/45116 , H03F2203/45136 , H03F2203/45208 , H03F2203/45288 , H03F2203/45374 , H03F2203/45458 , H03F2203/45526 , H03F2203/45528 , H03F2203/45544 , H03F2203/45596 , H03F2203/45712 , H04L7/0337
摘要： A circuit includes an active balun having an RF signal input and having differential signal outputs, the active balun including a first pair of transistors coupled to the RF signal input, the first pair of transistors including a first transistor of a first type and a second transistor of a second type, wherein the first type and second type are complementary; and an intermodulation distortion (IMD) sink circuit having an operational amplifier (op amp) coupled between a first node and a second node, wherein the first transistor and second transistor are coupled in series between the first node and the second node.
摘要翻译：一种电路包括具有RF信号输入并且具有差分信号输出的有源平衡 - 不平衡变换器，所述有源平衡 - 不平衡变换器包括耦合到所述RF信号输入的第一对晶体管，所述第一对晶体管包括第一晶体管第一类型和第二类型的第二晶体管，其中第一类型和第二类型是互补的; 以及具有耦合在第一节点和第二节点之间的运算放大器（运算放大器）的互调失真（IMD）宿电路，其中第一晶体管和第二晶体管串联耦合在第一节点和第二节点之间。 >

6. 发明申请

WO2018022285A1 POWER SUPPLY CONTROL 审中-公开
标题翻译：电源控制
公开(公告)号：WO2018022285A1
公开(公告)日：2018-02-01
申请号：PCT/US2017/041377
申请日：2017-07-10
申请人： QUALCOMM INCORPORATED
发明人： DUNCAN, Joseph , LERDWORATAWEE, Jongrit , SHI, Song , MARRA, Thomas
IPC分类号： H03F1/02 , H03F3/24
CPC分类号： H03F1/0216 , G05F1/461 , H02M1/08 , H02M3/156 , H02M2001/0045 , H03F1/0222 , H03F3/19 , H03F3/21 , H03F3/245 , H03F2200/102 , H03F2200/294 , H03F2200/432 , H03F2200/451 , H03F2200/462 , H03F2200/78 , H04W88/02 , H04W88/08
摘要： Certain aspects of the present disclosure provide methods and apparatus for adjusting voltage regulators of a power supply, such as an envelope tracking power supply. Certain aspects provide a power supply. The power supply may include a first voltage regulator having an output coupled to a voltage supply node of an amplifier. The power supply may further include a second voltage regulator having an output coupled to the voltage supply node of the amplifier. The power supply may further include a controller for adjusting a ratio of an average current supplied by the first voltage regulator to an average current supplied by the second voltage regulator to the voltage supply node of the amplifier based on an output voltage supplied to the voltage supply node of the amplifier by the first voltage regulator and the second voltage regulator.
摘要翻译：本公开的某些方面提供了用于调节诸如包络跟踪电源的电源的电压调节器的方法和设备。某些方面提供电源。电源可以包括具有耦合到放大器的电压供应节点的输出的第一电压调节器。电源可以进一步包括第二电压调节器，其具有耦合到放大器的电压供应节点的输出。电源还可以包括控制器，用于基于提供给电压源的输出电压来调节由第一电压调节器供应的平均电流与由第二电压调节器供应到放大器的电压供应节点的平均电流的比率放大器由第一电压调节器和第二电压调节器构成。

7. 发明申请

WO2018013248A1 RECONFIGURABLE TRANSCEIVERS 审中-公开
标题翻译：可重构收发器
公开(公告)号：WO2018013248A1
公开(公告)日：2018-01-18
申请号：PCT/US2017/035819
申请日：2017-06-02
申请人： QUALCOMM INCORPORATED
发明人： WEISSMAN, Haim Mendel , RANJAN, Mahim
IPC分类号： H03M1/02 , H04L5/00 , H03M1/46
CPC分类号： H03M1/02 , H03F3/19 , H03F3/245 , H03F2200/294 , H03F2200/451 , H03M1/46 , H04B1/38 , H04L5/00
摘要： A transceiver including: a reconfigurable circuit including a plurality of units including at least a converter, the converter including: a digital-to-analog converter (DAC); successive approximation register (SAR) logic configured to selectively couple to the DAC; and a plurality of switches configured to reconfigure the plurality of units of the reconfigurable circuit to operate the transceiver in a receive mode or transmit mode.
摘要翻译：一种收发器，包括：可重构电路，其包括多个单元，所述多个单元至少包括转换器，所述转换器包括：数模转换器（DAC）;以及数模转换器。逐次逼近寄存器（SAR）逻辑，被配置为选择性地耦合到DAC; 以及多个开关，被配置为重新配置可重新配置电路的多个单元以在接收模式或发送模式下操作收发器。

8. 发明申请

WO2018004480A1 A CLASS-S RF TRANSMITTER FOR MRI SCANNERS 审中-公开
标题翻译：用于MRI扫描仪的CLASS-S RF发送器
公开(公告)号：WO2018004480A1
公开(公告)日：2018-01-04
申请号：PCT/TR2016/050205
申请日：2016-06-30
申请人： ASELSAN ELEKTRONIK SANAYI VE TICARET ANONIM SIRKETI
发明人： SEN, Bulent , FILCI, Filiz Ece
IPC分类号： H03F3/217 , H03F1/06
CPC分类号： H03F3/2175 , H03F1/0227 , H03F3/217 , H03F3/24 , H03F2200/102 , H03F2200/331 , H03F2200/451
摘要： In the present invention, an analog input signal (X (n) ) is processed by a Peak to Average Ratio Reduction (PARR) block to diminish the difference between peak amplitudes and average amplitudes of the analog input signal (X(n)). After, a distorted signal (h(n)) having low peak to average amplitude ratio, generated at the PARR block output, is processed by a delta sigma modulation (DSM) block converts the distorted signal (h(n)) into a digitally modulated distorted signal (h_dsm (n) ) with high signal to noise ratio (SNR). Afterwards, the digitally modulated distorted signal (h_dsm (n) ) is corrected and amplified by a Class-D RF power amplifier fed by a feeding signal (env (n) ) generated from a digital correction signal (z_dsm (n) ). As a result, a digitally modulated signal (y(n)) with high signal to noise ratio (SNR) of the analog input signal (X (n) ) is generated at the output of the Class-D RF power amplifier.
摘要翻译：在本发明中，通过峰均比减小（PARR）块来处理模拟输入信号（X（n））以减小峰值幅度之间的差异和模拟输入信号（X（n））的平均振幅。之后，由Σ-Δ调制（DSM）块将失真信号（h（n））转换为数字方式来处理在PARR块输出处生成的具有低峰值与平均幅度比的失真信号（h（n））具有高信噪比（SNR）的经调制的失真信号（h_dsm（n））。之后，数字调制的失真信号（h_dsm（n））被由馈送信号（env _{（n））馈送的D类RF功率放大器校正和放大，从数字校正信号（z_dsm _{（n））产生。结果，在模拟输入信号（X（n））的输出处产生具有高信噪比（SNR）的数字调制信号（y（n））， D射频功率放大器。}}

9. 发明申请

WO2017218748A2 MINIMIZING IMPEDENCE MISMATCH EFFECTS IN A WIRELESS DEVICE 审中-公开
标题翻译：最小化无线设备中的阻抗不匹配效应
公开(公告)号：WO2017218748A2
公开(公告)日：2017-12-21
申请号：PCT/US2017/037636
申请日：2017-06-15
申请人： CCIP, LLC
发明人： MCCALLISTER, Ronald Duane
CPC分类号： H03F1/56 , H03F1/0222 , H03F3/191 , H03F3/24 , H03F3/245 , H03F2200/207 , H03F2200/387 , H03F2200/423 , H03F2200/451 , H04B2001/0408 , H04W52/04 , H04W52/52
摘要： Optimized impedance characteristics of a variable impedance device causes the apparatus to transmit wireless signals with minimal out-of-band transmission at an optimized efficiency of the power amplifier. The variation of impedance characteristics of an antenna cause a change in the coefficients of a mapping function. The relatively fast variations to the power supply voltage of a power amplifier are applied to the mapping function to generate control signals which vary the impedance characteristics of a variable impedance device. The output of the mapping function includes control signals that control optimized impedance characteristics of a variable impedance device as a function of the variation of the supply voltage to a power amplifier. The coefficients of the mapping function may be regularly determined based on a comparison of out-of-band power and in-band power transmitted by an antenna.
摘要翻译：可变阻抗设备的优化阻抗特性使该设备以功率放大器的优化效率以最小的带外传输来传输无线信号。天线的阻抗特性的变化引起映射函数的系数的变化。功率放大器的电源电压的相对快速的变化被应用于映射函数，以生成改变可变阻抗设备的阻抗特性的控制信号。映射函数的输出包括控制信号，该信号控制作为功率放大器的电源电压变化的函数的可变阻抗设备的优化阻抗特性。映射函数的系数可以基于带外功率和由天线发送的带内功率的比较来定期确定。

10. 发明申请

WO2017184911A1 PHEMT COMPONENTS WITH ENHANCED LINEARITY PERFORMANCE 审中-公开
标题翻译：具有增强的线性性能的PHEMT组件
公开(公告)号：WO2017184911A1
公开(公告)日：2017-10-26
申请号：PCT/US2017/028714
申请日：2017-04-21
申请人： SKYWORKS SOLUTIONS, INC.
发明人： ALTUNKILIC, Fikret , CEBI, Haki , ZHU, Yu , WEI, Cejun , MASON, Jerod, F.
IPC分类号： H04B1/16 , H04B1/24
CPC分类号： H03F1/3205 , H01L29/778 , H03F3/193 , H03F3/1935 , H03F3/245 , H03F2200/228 , H03F2200/294 , H03F2200/451 , H03F2200/72 , H03K17/162 , H03K17/687
摘要： pHEMT-based circuits and methods of improving the linearity thereof. One example pHEMT circuit includes a pHEMT connected between an input terminal and a load and a non-linear resistance connected to the pHEMT. The pHEMT produces a first harmonic signal at the load responsive to being driven by an input signal of a fundamental frequency received at the input terminal, the first harmonic signal having a first phase. The non-linear resistance has a resistance selected to produce a second harmonic signal at the load having a second phase opposite to the first phase. Methods can include determining a first amplitude and a first phase of a first harmonic signal produced at the load by a pHEMT in an ON state, and tuning the non-linear resistance to produce at the load a second harmonic signal having a second amplitude and a second phase that minimizes a net harmonic signal at the load.
摘要翻译：基于pHEMT的电路和改善其线性的方法。一个示例pHEMT电路包括连接在输入端子和负载之间的pHEMT以及连接到pHEMT的非线性电阻。响应于由在输入端子处接收的基频的输入信号驱动，pHEMT在负载处产生第一谐波信号，第一谐波信号具有第一相位。非线性电阻具有被选择用于在具有与第一相位相反的第二相位的负载处产生二次谐波信号的电阻。方法可以包括确定在导通状态下通过pHEMT在负载处产生的一次谐波信号的第一幅度和第一相位，并且调谐非线性电阻以在负载处产生具有第二幅度的二次谐波信号和第二阶段，使负载处的净谐波信号最小化。

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