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1. 发明授权

US09496832B2 Performance of off-chip connection for power amplifier 有权
标题翻译：功率放大器片外连接的性能
公开(公告)号：US09496832B2
公开(公告)日：2016-11-15
申请号：US14598927
申请日：2015-01-16
申请人： SnapTrack, Inc.
发明人： Martin Paul Wilson
IPC分类号： H03F1/07 , H03F3/26 , H03F3/195 , H03F3/30 , H03F1/02 , H03F1/42 , H03F3/21
CPC分类号： H03F3/26 , H03F1/0205 , H03F1/42 , H03F3/195 , H03F3/211 , H03F3/265 , H03F3/3028 , H03F2200/36 , H03F2203/21106 , H03F2203/21112 , H03F2203/30006
摘要： There is provided an amplifier arrangement comprising: a main amplifier connected to receive an input signal and generate an amplified version of the input signal; an additional amplifier, having a smaller geometry than the main amplifier, connected to receive the input signal and generate an amplified version thereof; and wherein the outputs of the main amplifier and the additional amplifier are combined to provide an amplified output.
摘要翻译：提供了一种放大器装置，包括：主放大器，被连接以接收输入信号并产生输入信号的放大版本; 具有比主放大器更小的几何形状的附加放大器，被连接以接收输入信号并产生其放大版本; 并且其中主放大器和附加放大器的输出被组合以提供放大的输出。

2. 发明授权

US09350246B2 Control of multi-level supply stage 有权
标题翻译：多级供应阶段的控制
公开(公告)号：US09350246B2
公开(公告)日：2016-05-24
申请号：US14669929
申请日：2015-03-26
申请人： SNAPTRACK, INC.
发明人： Martin Paul Wilson
IPC分类号： H02M3/158 , H02M1/00
CPC分类号： H02M3/158 , H02M3/1584 , H02M3/1588 , H02M2001/009 , Y02B70/1466
摘要： A buck-boost converter comprising: a voltage source; an inductor, wherein a first terminal of the inductor is switchably connected to the voltage source; and a plurality of capacitors switchably connected to a second terminal of the inductor, wherein a respective plurality of output voltages are formed across the plurality of capacitors, further comprising: an error determination means, for determining an error in each of the plurality of voltages, an inner control loop adapted to switchably connect one of the plurality of capacitors to the second terminal of the inductor in dependence on the determined errors; and an outer control loop adapted to control switching between buck mode and boost mode in dependence upon the determined errors.
摘要翻译：一种降压 - 升压转换器，包括：电压源; 电感器，其中所述电感器的第一端子可切换地连接到所述电压源; 以及多个电容器，其可切换地连接到所述电感器的第二端子，其中在所述多个电容器之间形成相应的多个输出电压，还包括：误差确定装置，用于确定所述多个电压中的每一个中的误差，内部控制回路，其适于根据所确定的误差将多个电容器中的一个电容器可切换地连接到电感器的第二端子; 以及外部控制回路，其适于根据确定的误差来控制降压模式和升压模式之间的切换。

3. 发明授权

US10171047B2 Power amplifier with stabilising network 有权
公开(公告)号：US10171047B2
公开(公告)日：2019-01-01
申请号：US15715962
申请日：2017-09-26
申请人： SNAPTRACK, INC.
发明人： Martin Paul Wilson
IPC分类号： H03F1/30 , H03F3/193 , H03F1/02 , H03F1/08 , H03F1/32 , H03F1/56 , H03F3/19 , H03F3/191 , H03F3/21
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.

4. 发明授权

US09979353B2 High efficiency variable voltage supply 有权
公开(公告)号：US09979353B2
公开(公告)日：2018-05-22
申请号：US15467921
申请日：2017-03-23
申请人： SNAPTRACK, INC.
发明人： Martin Paul Wilson , Shane Flint
IPC分类号： H03F1/02 , H03F3/19 , G05F5/00
CPC分类号： H03F1/0233 , G05F5/00 , H02M5/02 , H03F1/0211 , H03F3/19 , H03F2200/102 , H03F2200/204 , H03F2200/451 , H03F2200/504
摘要： Aspects of the present disclosure are generally directed to a power supply for generating an output supply voltage. The power supply generally includes a variable voltage supply configured to generate an intermediate supply voltage based on a reference signal, a correction circuit configured to generate an error signal based on the output supply voltage or the intermediate supply voltage, and a combiner configured to combine the intermediate supply voltage and the error signal to provide the output supply voltage.

5. 发明授权

US09859854B2 Power amplifier with stabilising network 有权
公开(公告)号：US09859854B2
公开(公告)日：2018-01-02
申请号：US14082968
申请日：2013-11-18
申请人： SnapTrack, Inc.
发明人： Martin Paul Wilson
IPC分类号： H03F1/30 , H03F3/193 , H03F1/02 , H03F1/08 , H03F1/32 , H03F1/56 , H03F3/19 , H03F3/191 , 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.

6. 发明授权

US09377796B2 Interference suppression for switched mode power supply 有权
标题翻译：开关电源的干扰抑制
公开(公告)号：US09377796B2
公开(公告)日：2016-06-28
申请号：US13937577
申请日：2013-07-09
申请人： SnapTrack, Inc.
发明人： Martin Paul Wilson
IPC分类号： H02M3/18 , G05F1/46 , G05F1/59 , H02M1/12 , H02M3/158 , H03F1/02 , H03F3/189 , H03F3/24
CPC分类号： G05F1/468 , G05F1/59 , H02M1/126 , H02M3/1584 , H03F1/0227 , H03F3/189 , H03F3/24 , H03F2200/102 , H03F2200/511
摘要： The invention relates to a switched mode power supply comprising at least one switch and at least one inductor, the at least one switch being arranged to connect one terminal of the at least one inductor to one of a plurality of supply voltages, the other terminal of the at least one inductor providing a supply output, and further comprising a capacitor connected in parallel with the at least one inductor.
摘要翻译：本发明涉及包括至少一个开关和至少一个电感器的开关模式电源，所述至少一个开关被布置成将至少一个电感器的一个端子连接到多个电源电压中的一个，另一个端子所述至少一个电感器提供电源输出，并且还包括与所述至少一个电感器并联连接的电容器。

7. 发明授权

US09641132B2 High efficiency amplification 有权
公开(公告)号：US09641132B2
公开(公告)日：2017-05-02
申请号：US14636387
申请日：2015-03-03
申请人： SNAPTRACK, INC.
发明人： Martin Paul Wilson
IPC分类号： H03F1/00 , H03F1/02 , H03F3/24 , H03F3/189 , H03F3/19 , H03F3/21
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.

8. 发明授权

US09548700B2 Control of cross-over point 有权
标题翻译：控制交叉点
公开(公告)号：US09548700B2
公开(公告)日：2017-01-17
申请号：US14584589
申请日：2014-12-29
申请人： SNAPTRACK, INC.
发明人： Gerard Wimpenny , Martin Paul Wilson
IPC分类号： H03F1/02 , H03F3/26 , G05F1/66
CPC分类号： H03F1/0205 , G05F1/66 , H03F1/0222 , H03F1/025 , H03F3/265 , H03F2200/102 , H03F2200/375 , H03F2200/451 , H03F2200/537 , H03F2200/541
摘要： There is provided an output stage comprising: a phase splitter for receiving an input signal and for generating first and second drive signals of opposite phase in dependence thereon; a DC offset signal generator for generating a DC offset signal; an adder for adding the DC offset signal to the first drive signal to provide a first modified drive signal; a subtractor for subtracting the DC offset signal from the second drive signal to provide a second modified drive signal; a first drive transistor associated with a first power supply voltage, for generating a first output signal in dependence on the first modified drive signal; a second drive transistor associated with a second power supply voltage, for generating a second output signal in dependence on the second modified drive signal; and a combiner for combining the first and second output signals to generate a phase combined output signal.
摘要翻译：提供了一种输出级，包括：相位分离器，用于接收输入信号并根据其产生相位相位的第一和第二驱动信号; 用于产生DC偏移信号的DC偏移信号发生器; 加法器，用于将DC偏移信号与第一驱动信号相加以提供第一修改的驱动信号; 减法器，用于从第二驱动信号减去DC偏移信号，以提供第二修改的驱动信号; 与第一电源电压相关联的第一驱动晶体管，用于根据第一修改的驱动信号产生第一输出信号; 与第二电源电压相关联的第二驱动晶体管，用于根据第二修改的驱动信号产生第二输出信号; 以及用于组合第一和第二输出信号以产生相位合成输出信号的组合器。

9. 发明授权

US09722543B2 Power supply stage 有权
公开(公告)号：US09722543B2
公开(公告)日：2017-08-01
申请号：US14797242
申请日：2015-07-13
申请人： SnapTrack, Inc.
发明人： Martin Paul Wilson , Gerard Wimpenny
IPC分类号： H02M3/156 , H02M1/00 , H03F1/02 , H03F3/19 , H03F3/20 , H03G3/20
CPC分类号： H03F1/0227 , H03F3/19 , H03F3/20 , H03F2200/102 , H03F2200/451
摘要： There is described a method of generating a power supply tracking a reference signal, comprising the steps of: filtering the reference signal; generating a first voltage in dependence on the filtered reference signal; generating a second voltage in dependence on the reference signal; and combining the first and second voltages to provide a power supply voltage.

10. 发明授权

US09190958B2 High efficiency amplification 有权
标题翻译：高效放大
公开(公告)号：US09190958B2
公开(公告)日：2015-11-17
申请号：US13941127
申请日：2013-07-12
申请人： SNAPTRACK, INC.
发明人： Martin Paul Wilson
IPC分类号： H03F1/00 , H03F1/02 , H03F3/189 , H03F3/19 , H03F3/21
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。

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