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公开(公告)号：US08295791B2
公开(公告)日：2012-10-23
申请号：US12686585
申请日：2010-01-13
Applicant: Ping-Chun Chang
Inventor： Ping-Chun Chang
IPC: H04B1/04
CPC classification number: H04B7/0608 , H03F1/3223 , H03F1/345 , H03F3/24 , H03F3/602 , H03F2200/198 , H03F2200/201 , H04B7/028 , H04B2001/0441
Abstract: A RF front-end circuit connected to an antenna module includes a plurality of main transmission circuits, an assistant transmission circuit, a signal coupling circuit, and a switching module. Each of the main transmission circuits amplifies original signals as first amplified signals which include non-linear distortion. The assistant transmission circuit assists at least one of the main transmission circuits to reduce non-linear distortion. The signal coupling circuit coupled to the at least one main transmission circuit samples the first amplified signals from the main transmission circuit to obtain sampling signals. The assistant transmission circuit calculates the non-linear distortion of the main transmission circuit according to the sampling signals and the original signals, and generates compensation signals accordingly. The signal coupling circuit feeds back the compensation signals to the main transmission circuit to decrease non-linear distortion in the first amplified signals.
Abstract translation: 连接到天线模块的RF前端电路包括多个主传输电路，辅助传输电路，信号耦合电路和切换模块。 每个主传输电路将原始信号放大为包括非线性失真的第一放大信号。 辅助传输电路协助至少一个主传输电路以减少非线性失真。 耦合到至少一个主发送电路的信号耦合电路对来自主发送电路的第一放大信号进行采样以获得采样信号。 辅助发送电路根据采样信号和原始信号计算主发送电路的非线性失真，并相应地生成补偿信号。 信号耦合电路将补偿信号反馈到主传输电路以减少第一放大信号中的非线性失真。
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2.发明申请DYNAMIC CHARACTERISATION OF AMPLIFIER USING MULTIPLE ENVELOPE SHAPING FUNCTIONS 有权使用多个包络形状函数的放大器的动态特性公开(公告)号：US20150088445A1
公开(公告)日：2015-03-26
申请号：US14389106
申请日：2013-03-28
Applicant: Nujira Limited
Inventor： Garvin Wills , Gerard Wimpenny
CPC classification number: G01R31/2836 , G01R25/00 , H03F1/0222 , H03F1/0227 , H03F1/3241 , H03F2200/102 , H03F2200/195 , H03F2200/201 , H03F2200/207 , H03G3/3042
Abstract: A method of characterizing an envelope tracking amplification stage, the method comprising: generating an input test waveform which is representative of an input waveform under normal operating conditions of the amplification stage; applying a respective one of a plurality of different shaping functions, each comprising a non-linear transfer function, to the input signal envelope in each of a plurality of test periods during the period in which the input test waveform is applied as the input signal to generate the input to the envelope tracking modulated supply voltage; measuring parameters of the amplification stage during the period in which the input test waveform is applied in order to allow determination of the gain, phase and efficiency characteristics of the amplifier; and for each of the gain, phase and efficiency characteristics, generating a three dimensional plot of the characteristic with respect to input power and supply voltage applied to the amplifier.
Abstract translation: 一种表征包络跟踪放大级的方法，所述方法包括：产生表示放大级的正常工作条件下的输入波形的输入测试波形; 在施加输入测试波形作为输入信号的时段期间，在多个测试周期中的每一个中将多个不同整形功能中的每一个包括非线性传递函数的相应一个施加到输入信号包络 生成输入到包络跟踪调制电源电压; 在施加输入测试波形的时段期间测量放大级的参数，以便确定放大器的增益，相位和效率特性; 并且对于增益，相位和效率特性中的每一个，产生关于施加到放大器的输入功率和电源电压的特性的三维图。
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公开(公告)号：US20100285833A1
公开(公告)日：2010-11-11
申请号：US12686585
申请日：2010-01-13
Applicant: PING-CHUN CHANG
Inventor： PING-CHUN CHANG
IPC: H04M1/00
CPC classification number: H04B7/0608 , H03F1/3223 , H03F1/345 , H03F3/24 , H03F3/602 , H03F2200/198 , H03F2200/201 , H04B7/028 , H04B2001/0441
Abstract: A RF front-end circuit connected to an antenna module includes a plurality of main transmission circuits, an assistant transmission circuit, a signal coupling circuit, and a switching module. Each of the main transmission circuits amplifies original signals as first amplified signals which include non-linear distortion. The assistant transmission circuit assists at least one of the main transmission circuits to reduce non-linear distortion. The signal coupling circuit coupled to the at least one main transmission circuit samples the first amplified signals from the main transmission circuit to obtain sampling signals. The assistant transmission circuit calculates the non-linear distortion of the main transmission circuit according to the sampling signals and the original signals, and generates compensation signals accordingly. The signal coupling circuit feeds back the compensation signals to the main transmission circuit to decrease non-linear distortion in the first amplified signals.
Abstract translation: 连接到天线模块的RF前端电路包括多个主传输电路，辅助传输电路，信号耦合电路和切换模块。 每个主传输电路将原始信号放大为包括非线性失真的第一放大信号。 辅助传输电路协助至少一个主传输电路以减少非线性失真。 耦合到至少一个主发送电路的信号耦合电路对来自主发送电路的第一放大信号进行采样以获得采样信号。 辅助发送电路根据采样信号和原始信号计算主发送电路的非线性失真，并相应地产生补偿信号。 信号耦合电路将补偿信号反馈到主传输电路以减少第一放大信号中的非线性失真。
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公开(公告)号：US20130285740A1
公开(公告)日：2013-10-31
申请号：US13853249
申请日：2013-03-29
Applicant: Nujira Limited
Inventor： Shaun Cummins , Garvin Wills , Gerard Wimpenny
IPC: G01R23/02
CPC classification number: G01R23/02 , G01R23/20 , H03F1/0222 , H03F1/3241 , H03F3/245 , H03F2200/102 , H03F2200/192 , H03F2200/195 , H03F2200/198 , H03F2200/201 , H03F2200/204 , H03F2200/207 , H03F2200/411
Abstract: There is disclosed a method of determining an AM-PM distortion measurement for an amplifier, the method comprising: generating a test waveform to be provided to the input of the amplifier; periodically puncturing the test waveform with a fixed-level reference signal to generate a modified test waveform which alternates between test periods in which a portion of the test waveform is present and reference periods in which the fixed-level reference signal is present; measuring the amplifier AM-PM distortion in a test period; measuring the phase difference between the input and the output of the amplifier in reference periods either side of the test period; estimating a phase error in the test period in dependence on phase differences measured in the reference periods; and estimating the true amplifier AM-PM distortion by removing the estimated phase error from the measured amplifier AM-PM distortion.
Abstract translation: 公开了一种确定放大器的AM-PM失真测量的方法，该方法包括：产生要提供给放大器的输入的测试波形; 用固定电平参考信号周期性地打孔测试波形，以产生在测试波形的一部分存在的测试周期与存在固定电平参考信号的参考周期之间交替的修改测试波形; 在测试期间测量放大器AM-PM失真; 在测试周期的任一侧的参考周期内测量放大器的输入和输出之间的相位差; 根据在参考期间测量的相位差来估计测试期间的相位误差; 并通过从测量的放大器AM-PM失真中去除估计的相位误差来估计真实放大器AM-PM失真。
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公开(公告)号：US20130113560A1
公开(公告)日：2013-05-09
申请号：US13656885
申请日：2012-10-22
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Hiroyuki HIROOKA
IPC: H03F1/00
CPC classification number: H03F3/245 , H03F1/0272 , H03F1/56 , H03F3/19 , H03F2200/18 , H03F2200/198 , H03F2200/201 , H03F2200/204 , H03F2200/207 , H03F2200/222 , H03F2200/318 , H03F2200/387 , H03F2200/411
Abstract: A high-frequency module including a power amplifying circuit includes a high-frequency power amplifying element, a matching circuit, and a driving power-supply circuit. The high-frequency power amplifying element includes a high-frequency amplifying circuit and a directional coupler. A first end of a main line of the directional coupler is connected to an output terminal of a latter-stage amplifying circuit of the high-frequency amplifying circuit. A second end of the main line of the directional coupler is connected through an output matching circuit to a high-frequency signal output terminal of the high-frequency power amplifying element. The output terminal of the latter-stage amplifying circuit is also connected to a second driving power-supply voltage application terminal of the high-frequency power amplifying element. The second driving power-supply voltage application terminal is connected to the high-frequency signal output terminal by a connecting conductor.
Abstract translation: 包括功率放大电路的高频模块包括高频功率放大元件，匹配电路和驱动电源电路。 高频功率放大元件包括高频放大电路和定向耦合器。 定向耦合器的主线的第一端连接到高频放大电路的后级放大电路的输出端。 定向耦合器的主线的第二端通过输出匹配电路连接到高频功率放大元件的高频信号输出端。 后级放大电路的输出端子也连接到高频功率放大元件的第二驱动电源电压施加端子。 第二驱动电源电压施加端子通过连接导体与高频信号输出端子连接。
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Patent Agency Ranking
公开(公告)号：US20110140776A1
公开(公告)日：2011-06-16
申请号：US13058008
申请日：2009-11-04
Applicant: Kazuhisa Yamauchi , Hidenori Yukawa , Akira Inoue , Atsushi Yamamoto , Koichi Fujisaki , Hiroomi Ueda
Inventor： Kazuhisa Yamauchi , Hidenori Yukawa , Akira Inoue , Atsushi Yamamoto , Koichi Fujisaki , Hiroomi Ueda
CPC classification number: H03F1/42 , H03F1/32 , H03F3/191 , H03F3/211 , H03F3/24 , H03F2200/192 , H03F2200/195 , H03F2200/198 , H03F2200/201 , H03F2200/204 , H03F2200/207
Abstract: A variable frequency amplifier includes a main amplifier system 4 for amplifying one of signals into which an input signal is split by a directional coupler 3 to output the amplified signal, and an injection amplifier system 9 for adjusting at least one of the amplitude and phase of the other one of the signals into which the input signal is split by the directional coupler 3 according to a setting provided thereto from outside the variable frequency amplifier, and for amplifying the other signal and injecting this amplified signal into an output side of the main amplifier system 4.
Abstract translation: 可变频放大器包括：主放大器系统4，用于放大由定向耦合器3输入信号被分离的信号之一以输出放大信号;以及注入放大器系统9，用于调节幅度和相位中的至少一个 根据从可变频放大器的外部提供的设置，由定向耦合器3将输入信号分离的信号中的另一个，并且用于放大另一信号并将该放大信号注入到主放大器的输出侧 系统4。
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公开(公告)号：US5532646A
公开(公告)日：1996-07-02
申请号：US339698
申请日：1994-11-14
Applicant: Yukichi Aihara
Inventor： Yukichi Aihara
CPC classification number: H03F1/0266 , H03G3/3042 , H03F2200/201 , H03F2200/411
Abstract: In a high frequency power amplifier reduction of current consumption at the time of power down and an improvement in distortion of linearly modulated wave at the time of generation of its maximum output are automatically effected at the same time. Part of the high frequency output of a pre-stage amplifier is derived by a directional coupler inserted in the input part of a post-stage amplifier to be superposed through a DC voltage generator circuit on a gate bias voltage applied to the gate terminal of an FET in the post-stage amplifier, so that the gate bias voltage can be automatically controlled to its optimum value according to the output level required for the power amplifier.
Abstract translation: 在高功率功率放大器中，在掉电时减少电流消耗和在产生其最大输出时线性调制波的失真的改善同时被自动实现。 前级放大器的高频输出的一部分是通过插入在后级放大器的输入部分中的定向耦合器导出的，以通过直流电压发生器电路叠加施加到栅极端子的栅极偏置电压 后置放大器中的FET，使得栅极偏置电压可以根据功率放大器所需的输出电平自动控制到其最佳值。
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公开(公告)号：US09835676B2
公开(公告)日：2017-12-05
申请号：US14389106
申请日：2013-03-28
Applicant: SNAPTRACK, INC.
Inventor： Garvin Wills , Gerard Wimpenny
CPC classification number: G01R31/2836 , G01R25/00 , H03F1/0222 , H03F1/0227 , H03F1/3241 , H03F2200/102 , H03F2200/195 , H03F2200/201 , H03F2200/207 , H03G3/3042
Abstract: A method of characterizing an envelope tracking amplification stage, the method comprising: generating an input test waveform which is representative of an input waveform under normal operating conditions of the amplification stage; applying a respective one of a plurality of different shaping functions, each comprising a non-linear transfer function, to the input signal envelope in each of a plurality of test periods during the period in which the input test waveform is applied as the input signal to generate the input to the envelope tracking modulated supply voltage; measuring parameters of the amplification stage during the period in which the input test waveform is applied in order to allow determination of the gain, phase and efficiency characteristics of the amplifier; and for each of the gain, phase and efficiency characteristics, generating a three dimensional plot of the characteristic with respect to input power and supply voltage applied to the amplifier.
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公开(公告)号：US09116183B2
公开(公告)日：2015-08-25
申请号：US13853249
申请日：2013-03-29
Applicant: Nujira Limited
Inventor： Shaun Cummins , Garvin Wills , Gerard Wimpenny
CPC classification number: G01R23/02 , G01R23/20 , H03F1/0222 , H03F1/3241 , H03F3/245 , H03F2200/102 , H03F2200/192 , H03F2200/195 , H03F2200/198 , H03F2200/201 , H03F2200/204 , H03F2200/207 , H03F2200/411
Abstract: There is disclosed a method of determining an AM-PM distortion measurement for an amplifier, the method comprising: generating a test waveform to be provided to the input of the amplifier; periodically puncturing the test waveform with a fixed-level reference signal to generate a modified test waveform which alternates between test periods in which a portion of the test waveform is present and reference periods in which the fixed-level reference signal is present; measuring the amplifier AM-PM distortion in a test period; measuring the phase difference between the input and the output of the amplifier in reference periods either side of the test period; estimating a phase error in the test period in dependence on phase differences measured in the reference periods; and estimating the true amplifier AM-PM distortion by removing the estimated phase error from the measured amplifier AM-PM distortion.
Abstract translation: 公开了一种确定放大器的AM-PM失真测量的方法，该方法包括：产生要提供给放大器的输入的测试波形; 用固定电平参考信号周期性地打孔测试波形，以产生在测试波形的一部分存在的测试周期与存在固定电平参考信号的参考周期之间交替的修改测试波形; 在测试期间测量放大器AM-PM失真; 在测试周期的任一侧的参考周期内测量放大器的输入和输出之间的相位差; 根据在参考期间测量的相位差来估计测试期间的相位误差; 并通过从测量的放大器AM-PM失真中去除估计的相位误差来估计真实放大器AM-PM失真。
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公开(公告)号：US08797102B2
公开(公告)日：2014-08-05
申请号：US13656885
申请日：2012-10-22
Applicant: Murata Manufacturing Co., Ltd.
Inventor： Hiroyuki Hirooka
IPC: H03F3/191
CPC classification number: H03F3/245 , H03F1/0272 , H03F1/56 , H03F3/19 , H03F2200/18 , H03F2200/198 , H03F2200/201 , H03F2200/204 , H03F2200/207 , H03F2200/222 , H03F2200/318 , H03F2200/387 , H03F2200/411
Abstract: A high-frequency module including a power amplifying circuit includes a high-frequency power amplifying element, a matching circuit, and a driving power-supply circuit. The high-frequency power amplifying element includes a high-frequency amplifying circuit and a directional coupler. A first end of a main line of the directional coupler is connected to an output terminal of a latter-stage amplifying circuit of the high-frequency amplifying circuit. A second end of the main line of the directional coupler is connected through an output matching circuit to a high-frequency signal output terminal of the high-frequency power amplifying element. The output terminal of the latter-stage amplifying circuit is also connected to a second driving power-supply voltage application terminal of the high-frequency power amplifying element. The second driving power-supply voltage application terminal is connected to the high-frequency signal output terminal by a connecting conductor.
Abstract translation: 包括功率放大电路的高频模块包括高频功率放大元件，匹配电路和驱动电源电路。 高频功率放大元件包括高频放大电路和定向耦合器。 定向耦合器的主线的第一端连接到高频放大电路的后级放大电路的输出端。 定向耦合器的主线的第二端通过输出匹配电路连接到高频功率放大元件的高频信号输出端。 后级放大电路的输出端子也连接到高频功率放大元件的第二驱动电源电压施加端子。 第二驱动电源电压施加端子通过连接导体与高频信号输出端子连接。
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