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1. 发明申请

US20150035606A1 TIME AND AMPLITUDE ALIGNMENT IN ENVELOPE TRACKING AMPLIFICATION STAGE 有权
标题翻译：时间和幅度对齐在包装跟踪放大阶段
公开(公告)号：US20150035606A1
公开(公告)日：2015-02-05
申请号：US14117989
申请日：2012-05-16
申请人： Ben Bartram
发明人： Ben Bartram
IPC分类号： H03F1/02 , H03F3/19 , H03F3/21 , G01R21/00
CPC分类号： H03F1/0233 , G01R21/00 , H03F1/0222 , H03F3/19 , H03F3/21 , H03F2200/102 , H03F2200/105 , H03F2200/228 , H03F2200/324 , H03F2200/451
摘要： The invention relates to a method of calibrating an envelope path and an input path of an amplification stage including an envelope tracking power supply, the method comprising: generating input signals having a known relationship for each of the input and envelope paths; and varying an amplitude and a delay of the signal in one of the envelope and input paths in order to reduce the variation in the power detected in a signal at the output of the amplification stage.
摘要翻译：本发明涉及一种校准包络线路和包括跟踪电源的放大级的输入路径的方法，该方法包括：产生每个输入和包络路径具有已知关系的输入信号; 并且改变包络线和输入路径之一中的信号的幅度和延迟，以便减小在放大级的输出处的信号中检测到的功率的变化。

2. 发明申请

US20140218109A1 2G SUPPORT FOR 2G AND 3G/4G ENVELOPE TRACKING MODULATOR 有权
标题翻译： 2G支持2G和3G / 4G包装跟踪调节器
公开(公告)号：US20140218109A1
公开(公告)日：2014-08-07
申请号：US14169204
申请日：2014-01-31
申请人： Nujira Limited
发明人： Gerard Wimpenny
IPC分类号： H03F3/217 , H03F3/19
CPC分类号： H03F1/0222 , H03F1/0277 , H03F3/19 , H03F3/211 , H03F3/217 , H03F2200/102 , H03F2200/391 , H03F2200/432 , H03F2200/451 , H03F2203/21175 , H04B1/0483
摘要： There is provided an amplification stage including an envelope tracking modulated supply for tracking a reference signal, comprising a low frequency path for tracking low frequency variations in the reference signal and for providing a first output voltage, and a high frequency path for tracking high frequency variations in the reference signal and for providing a second output voltage, and a combiner for combining the first and second output voltages to provide a third output voltage, the amplification stage further comprising a first amplifier arranged to receive the first output voltage as a supply voltage, and a second amplifier arranged to receive the third output voltage as a supply voltage, wherein the first and second amplifiers are enabled in different modes of operation.
摘要翻译：提供了包括用于跟踪参考信号的包络跟踪调制电源的放大级，包括用于跟踪参考信号中的低频变化并用于提供第一输出电压的低频路径，以及用于跟踪高频变化的高频路径以及用于组合第一和第二输出电压以提供第三输出电压的组合器，所述放大级还包括布置成接收作为电源电压的第一输出电压的第一放大器，以及第二放大器，被布置为接收所述第三输出电压作为电源电压，其中所述第一和第二放大器在不同的操作模式下被使能。

3. 发明授权

US08749308B2 High efficiency amplification 失效
标题翻译：高效放大
公开(公告)号：US08749308B2
公开(公告)日：2014-06-10
申请号：US13460111
申请日：2012-04-30
申请人： Martin Paul Wilson
发明人： Martin Paul Wilson
IPC分类号： H03F1/00
CPC分类号： H03F1/0222 , H03F1/00 , H03F1/02 , H03F1/025 , H03F3/189 , H03F3/19 , H03F3/21 , H03F3/245 , H03F2200/102 , H03F2200/331 , H03F2200/451 , H03F2200/504 , H03F2200/511
摘要： A radio frequency amplification stage comprising: an amplifier for receiving an input signal to be amplified and a power supply voltage; and a power supply voltage stage for supplying said power supply voltage, comprising: means for providing a reference signal representing the envelope of the input signal; means for selecting one of a plurality of supply voltage levels in dependence on the reference signal; and means for generating an adjusted selected power supply voltage, comprising an ac amplifier for amplifying a difference between the reference signal and one of the selected supply voltage level or the adjusted selected supply voltage level, and a summer for summing the amplified difference with the selected supply voltage to thereby generate the adjusted supply voltage.
摘要翻译：一种射频放大级，包括：放大器，用于接收待放大的输入信号和电源电压; 以及用于提供所述电源电压的电源电压级，包括：用于提供表示所述输入信号的包络的参考信号的装置; 用于根据参考信号选择多个电源电压电平中的一个的装置; 以及用于产生经调整的所选择的电源电压的装置，包括用于放大参考信号与所选择的电源电压电平或所调整的所选电源电压电平之一之间的差的交流放大器，以及用于将所放大的差与所选择的电源电压相加的加法器供给电压，从而生成调整后的电源电压。

4. 发明授权

US08692614B2 Timing alignment for power amplifier 有权
标题翻译：功率放大器的定时对准
公开(公告)号：US08692614B2
公开(公告)日：2014-04-08
申请号：US13422218
申请日：2012-03-16
申请人： James Brice
发明人： James Brice
IPC分类号： H03F1/26
CPC分类号： H03F1/3247 , H03F1/0222 , H03F3/189 , H03F3/19 , H03F3/20 , H03F2200/102 , H03F2200/451 , H03F2201/3227
摘要： There is described a method of controlling signal alignment in a power amplifier, comprising: receiving an input signal to be amplified; receiving a supply voltage for the power amplifier, the supply voltage being derived in dependence on the signal to be amplified; amplifying the input signal to produce an output signal; comparing the output signal with a plurality of distorted versions of the input signal, each distorted version of the input signal being associated with a different time delay value; and adjusting the timing of either the input signal or the supply voltage by an amount in dependence on a time delay value determined to be associated with a distorted version of the input signal which most closely matches the output signal.
摘要翻译：描述了一种控制功率放大器中的信号对准的方法，包括：接收待放大的输入信号; 接收功率放大器的电源电压，根据要放大的信号导出电源电压; 放大输入信号以产生输出信号; 将输出信号与输入信号的多个失真版本进行比较，输入信号的每个失真版本与不同的时间延迟值相关联; 以及根据确定为与输出信号最匹配的输入信号的失真版本相关联的时间延迟值来调整输入信号或电源电压的定时。

5. 发明申请

US20140077881A1 Power Amplifier with Stabilising Network 有权
标题翻译：功率放大器与稳定网络
公开(公告)号：US20140077881A1
公开(公告)日：2014-03-20
申请号：US14082968
申请日：2013-11-18
申请人： Nujira Limited
发明人： Martin Paul Wilson
IPC分类号： H03F3/193 , H03F3/21
CPC分类号： H03F3/193 , H03F1/02 , H03F1/0222 , H03F1/086 , H03F1/32 , H03F1/565 , H03F3/19 , H03F3/191 , H03F3/21 , H03F2200/391 , Y10T29/49002
摘要： A power amplifier circuit comprising a transistor for receiving a signal to be amplified at an input and for outputting an amplified signal at an output; a modulated power supply connected to the transistor output; and a resistive element connected at the transistor output such that a low impedance is maintained at the transistor output across a range of operational frequencies.
摘要翻译：一种功率放大器电路，包括：晶体管，用于接收在输入端被放大的信号，并在输出端输出放大信号; 连接到晶体管输出的调制电源; 以及电阻元件，其连接在晶体管输出端，使得在工作频率范围内的晶体管输出端保持低阻抗。

6. 发明授权

US08669745B2 Transformer based voltage combiner with inductive shunt 有权
标题翻译：基于变压器的电压组合器，具有感性分流
公开(公告)号：US08669745B2
公开(公告)日：2014-03-11
申请号：US12919668
申请日：2009-02-27
申请人： Gerard Wimpenny
发明人： Gerard Wimpenny
IPC分类号： G05F1/10
CPC分类号： H03F1/0211 , H01F27/34 , H01F27/42 , H02M1/40 , H03F1/0227 , H03F2200/504
摘要： In accordance with the invention there is also provided a voltage combiner comprising: a transformer having a first and second winding each having a first and second tap; and an inductor connected between the first and second taps of the second winding, wherein: the first tap of the first winding is adapted for connection to a first voltage, the first tap of the second winding is adapted for connection to a second voltage, and the second tap of the second winding is adapted to provide an output being the first and second voltages combined, and further wherein: the inductor is adapted to provide a bypass path for the current associated with the second voltage.
摘要翻译：根据本发明，还提供了一种电压组合器，包括：变压器，具有第一和第二绕组，每个绕组具有第一和第二抽头; 以及连接在第二绕组的第一和第二抽头之间的电感器，其中：第一绕组的第一抽头适于连接到第一电压，第二绕组的第一抽头适于连接到第二电压，以及第二绕组的第二抽头适于提供组合的第一和第二电压的输出，并且其中：所述电感器适于为与所述第二电压相关联的电流提供旁路路径。

7. 发明申请

US20130321085A1 ADAPTIVE BIASING SCHEME FOR AN AMPLIFIER 有权
公开(公告)号：US20130321085A1
公开(公告)日：2013-12-05
申请号：US13483166
申请日：2012-05-30
申请人： Russell Fagg
发明人： Russell Fagg
IPC分类号： H03F3/04
CPC分类号： H03F1/0222 , H03F1/0266 , H03F1/30 , H03F3/45479 , H03F2200/102 , H03F2203/45112
摘要： There is provided a bias arrangement for an amplifier adapted to amplify a varying input signal, the arrangement comprising a control circuit arranged to adaptively vary a bias current to the amplifier in dependence on an envelope of the varying input signal.

8. 发明申请

US20130321081A1 REGULATED CASCODE CURRENT MIRROR SCHEME FOR TRANSCONDUCTANCE AMPLIFIERS 有权
标题翻译：用于交叉放大器的调节型电流反射器方案
公开(公告)号：US20130321081A1
公开(公告)日：2013-12-05
申请号：US13483161
申请日：2012-05-30
申请人： Russell Fagg
发明人： Russell Fagg
IPC分类号： H03F3/45
CPC分类号： H03F1/025 , H03F3/193 , H03F2200/102 , H03F2200/511
摘要： There is described an amplification stage comprising: a current mirror circuit comprising a reference transistor arranged to receive a current associated with an input signal and an output transistor providing a current source for an output signal line; a current sink to the output signal line, under the control of the input signal; circuitry arranged to maintain equality between the drain/collector voltages on the transistors of the current mirror circuit.
摘要翻译：描述了一种放大级，包括：电流镜电路，包括被配置为接收与输入信号相关的电流的参考晶体管和提供输出信号线的电流源的输出晶体管; 在输入信号线的控制下，电流接收到输出信号线; 布置成保持电流镜电路的晶体管上的漏极/集电极之间的相等的电路。

9. 发明授权

US08570105B2 Power control 有权
标题翻译：功率控制
公开(公告)号：US08570105B2
公开(公告)日：2013-10-29
申请号：US13372823
申请日：2012-02-14
申请人： Gerard Wimpenny , Robert Henshaw
发明人： Gerard Wimpenny , Robert Henshaw
IPC分类号： H03G3/20
CPC分类号： H03F1/0233 , H03F1/02 , H03F1/0227 , H03F3/19 , H03F3/24 , H03F3/245 , H03F2200/102 , H03F2200/451 , H03G3/007
摘要： There is provided an amplification stage comprising: an input scaling block for scaling an input signal in dependence on an input scaling factor to generate a scaled version of the input signal; a power amplifier for generating an amplified version of the scaled input signal; an envelope detector for generating a signal representing the envelope of the input signal; an envelope scaling block for scaling the envelope signal in dependence on an envelope scaling factor to generate a scaled version of the envelope signal; a non-linear mapping block for generating a voltage representative of the supply voltage in dependence on the scaled envelope signal; a modulator for generating a power supply voltage for the amplifier in dependence on the voltage generated by the non-linear mapping block; and a power control block for maintaining a linear relationship between the envelope scaling factor and the input scaling factor.
摘要翻译：提供了一种放大级，包括：输入缩放块，用于根据输入缩放因子对输入信号进行缩放，以生成输入信号的缩放版本; 用于产生经缩放的输入信号的放大版本的功率放大器; 包络检测器，用于产生表示输入信号的包络的信号; 信封缩放块，用于根据包络缩放因子对包络信号进行缩放，以产生包络信号的缩放版本; 非线性映射块，用于根据所缩放的包络信号产生代表电源电压的电压; 调制器，用于根据由非线性映射块产生的电压产生放大器的电源电压; 以及用于维持包络缩放因子和输入缩放因子之间的线性关系的功率控制块。

10. 发明申请

US20130222057A1 POWER SUPPLY PRE-DISTORTION 有权
标题翻译：电源预失真
公开(公告)号：US20130222057A1
公开(公告)日：2013-08-29
申请号：US13700233
申请日：2011-05-26
申请人： Robert Henshaw
发明人： Robert Henshaw
IPC分类号： H03G1/04
CPC分类号： H03G1/04 , H03F1/0222 , H03F1/3205 , H03F1/3241 , H03F1/565 , H03F3/1935 , H03F3/245 , H03F2200/102 , H03F2200/108 , H03F2200/387 , H03F2200/391 , H03F2200/423 , H03F2200/451 , H03F2200/462 , H03F2200/504 , H03F2201/3224
摘要： There is disclosed a method of generating a supply voltage (230) for a power amplifier (114) arranged to amplify an input signal (228), comprising: generating (104) a target supply voltage tracking the input signal (228); predistorting (400) the target supply voltage to compensate for effects on a supply voltage in the amplifier (114); and generating (102) the supply voltage for the amplifier (114) in dependence on the predistorted target supply voltage (414).
摘要翻译：公开了一种产生用于放大输入信号（228）的功率放大器（114）的电源电压（230）的方法，包括：产生（104）跟踪输入信号（228）的目标电源电压; 预失真（400）所述目标电源电压以补偿对所述放大器（114）中的电源电压的影响; 以及根据预失真的目标电源电压（414）产生（102）放大器（114）的电源电压。

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