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1. 发明授权

US08847351B2 Integrated power amplifier with load inductor located under IC die 有权
标题翻译：集成功率放大器，负载电感位于IC芯片下方
公开(公告)号：US08847351B2
公开(公告)日：2014-09-30
申请号：US12705493
申请日：2010-02-12
申请人： Guy Klemens , Thomas A Myers , Norman L Frederick, Jr. , Yu Zhao , Babak Nejati , Nathan M Pletcher , Aristotele Hadjichristos
发明人： Guy Klemens , Thomas A Myers , Norman L Frederick, Jr. , Yu Zhao , Babak Nejati , Nathan M Pletcher , Aristotele Hadjichristos
IPC分类号： H01L27/08
CPC分类号： H03F3/195 , H01L23/645 , H01L23/66 , H01L2223/6655 , H01L2223/6661 , H01L2224/16225 , H01L2924/00011 , H01L2924/00014 , H01L2924/1305 , H01L2924/19015 , H01L2924/3011 , H01L2924/00 , H01L2224/0401
摘要： A compact integrated power amplifier is described herein. In an exemplary design, an apparatus includes (i) an integrated circuit (IC) die having at least one transistor for a power amplifier and (ii) an IC package having a load inductor for the power amplifier. The IC die is mounted on the IC package with the transistor(s) located over the load inductor. In an exemplary design, the IC die includes a transistor manifold that is placed over the load inductor on the IC package. The transistor(s) are fabricated in the transistor manifold, have a drain connection in the center of the transistor manifold, and have source connections on two sides of the transistor manifold. The IC die and the IC package may include one or more additional power amplifiers. The transistor(s) for each power amplifier may be located over the load inductor for that power amplifier.
摘要翻译：这里描述了紧凑的集成功率放大器。在示例性设计中，装置包括（i）具有用于功率放大器的至少一个晶体管的集成电路（IC）管芯，以及（ii）具有用于功率放大器的负载电感器的IC封装。 IC芯片安装在IC封装上，晶体管位于负载感应器上方。在示例性设计中，IC管芯包括放置在IC封装上的负载电感器上的晶体管歧管。晶体管制造在晶体管歧管中，在晶体管歧管的中心具有漏极连接，并且在晶体管歧管的两侧具有源极连接。 IC芯片和IC封装可以包括一个或多个附加的功率放大器。每个功率放大器的晶体管可以位于该功率放大器的负载电感上。

2. 发明授权

US08072272B2 Digital tunable inter-stage matching circuit 有权
标题翻译：数字可调谐级间匹配电路
公开(公告)号：US08072272B2
公开(公告)日：2011-12-06
申请号：US12715254
申请日：2010-03-01
申请人： Yu Zhao , Babak Nejati , Nathan M Pletcher , Aristotele Hadjichristos
发明人： Yu Zhao , Babak Nejati , Nathan M Pletcher , Aristotele Hadjichristos
IPC分类号： H03F3/04
CPC分类号： H03F1/42 , H03F1/223 , H03F3/193 , H03F2200/318 , H03H7/40
摘要： A tunable inter-stage matching circuit that can improve performance is described. In an exemplary design, an apparatus includes a first active circuit (e.g., a driver amplifier), a second active circuit (e.g., a power amplifier), and a tunable inter-stage matching circuit coupled between the first and second active circuits. The tunable inter-stage matching circuit includes a tunable capacitor that can be varied in discrete steps to adjust impedance matching between the first and second active circuits. In an exemplary design, the tunable capacitor includes (i) a plurality of capacitors coupled in parallel and (ii) a plurality of switches coupled to the plurality of capacitors, one switch for each capacitor. Each switch may be turned on to select an associated capacitor or turned off to unselect the associated capacitor. The tunable capacitor may further include a fixed capacitor coupled in parallel with the plurality of capacitors.
摘要翻译：描述了可以提高性能的可调谐级间匹配电路。在示例性设计中，装置包括耦合在第一和第二有源电路之间的第一有源电路（例如，驱动器放大器），第二有源电路（例如，功率放大器）和可调谐级间匹配电路。可调谐级间匹配电路包括可以在离散步骤中变化的可调谐电容器，以调整第一和第二有源电路之间的阻抗匹配。在示例性设计中，可调谐电容器包括（i）并联耦合的多个电容器和（ii）耦合到多个电容器的多个开关，用于每个电容器的一个开关。每个开关可以被接通以选择一个相关联的电容器或关闭以取消选择相关联的电容器。可调谐电容器还可以包括与多个电容器并联耦合的固定电容器。

3. 发明授权

US09000847B2 Digital tunable inter-stage matching circuit 有权
标题翻译：数字可调谐级间匹配电路
公开(公告)号：US09000847B2
公开(公告)日：2015-04-07
申请号：US13226397
申请日：2011-09-06
申请人： Yu Zhao , Babak Nejati , Nathan M Pletcher , Aristotele Hadjichristos
发明人： Yu Zhao , Babak Nejati , Nathan M Pletcher , Aristotele Hadjichristos
IPC分类号： H03F3/04 , H03H7/40 , H03F1/22 , H03F1/42 , H03F3/193
CPC分类号： H03F1/42 , H03F1/223 , H03F3/193 , H03F2200/318 , H03H7/40
摘要： A tunable inter-stage matching circuit that can improve performance is described. In an exemplary design, an apparatus comprises a driver amplifier and a power amplifier. The apparatus may further include an inter-stage matching circuit tunable in discrete steps for matching impedances between the driver amplifier and the power amplifier. The tunable inter-stage matching circuit may include a bank of capacitors, each capacitor of the bank coupled in series with a switch for coupling the capacitor to a ground voltage.
摘要翻译：描述了可以提高性能的可调谐级间匹配电路。在示例性设计中，装置包括驱动器放大器和功率放大器。该装置还可以包括可以在离散步骤中调节的级间匹配电路，用于匹配驱动器放大器和功率放大器之间的阻抗。可调谐级间匹配电路可以包括一组电容器，该组的每个电容器与用于将电容器耦合到接地电压的开关串联耦合。

4. 发明申请

US20110316636A1 DIGITAL TUNABLE INTER-STAGE MATCHING CIRCUIT 有权
标题翻译：数字可调节间歇匹配电路
公开(公告)号：US20110316636A1
公开(公告)日：2011-12-29
申请号：US13226397
申请日：2011-09-06
申请人： Yu Zhao , Babak Nejati , Nathan M. Pletcher , Aristotele Hadjichristos
发明人： Yu Zhao , Babak Nejati , Nathan M. Pletcher , Aristotele Hadjichristos
IPC分类号： H03H11/28 , H03F3/04
CPC分类号： H03F1/42 , H03F1/223 , H03F3/193 , H03F2200/318 , H03H7/40
摘要： A tunable inter-stage matching circuit that can improve performance is described. In an exemplary design, an apparatus comprises a driver amplifier and a power amplifier. The apparatus may further include an inter-stage matching circuit tunable in discrete steps for matching impedances between the driver amplifier and the power amplifier. The tunable inter-stage matching circuit may include a bank of capacitors, each capacitor of the bank coupled in series with a switch for coupling the capacitor to a ground voltage.
摘要翻译：描述了可以提高性能的可调谐级间匹配电路。在示例性设计中，装置包括驱动器放大器和功率放大器。该装置还可以包括可以在离散步骤中调节的级间匹配电路，用于匹配驱动器放大器和功率放大器之间的阻抗。可调谐级间匹配电路可以包括一组电容器，该组的每个电容器与用于将电容器耦合到接地电压的开关串联耦合。

5. 发明申请

US20110037516A1 MULTI-STAGE IMPEDANCE MATCHING 有权
标题翻译：多级阻抗匹配
公开(公告)号：US20110037516A1
公开(公告)日：2011-02-17
申请号：US12641228
申请日：2009-12-17
申请人： Babak Nejati , Yu Zhao , Nathan M. Pletcher , Aristotele Hadjichristos , Puay Hoe See
发明人： Babak Nejati , Yu Zhao , Nathan M. Pletcher , Aristotele Hadjichristos , Puay Hoe See
IPC分类号： H03F3/68
CPC分类号： H03F1/565 , H03F3/211 , H03F3/72
摘要： Exemplary techniques for performing impedance matching are described. In an exemplary embodiment, the apparatus may include an amplifier (e.g., a power amplifier) coupled to first and second matching circuits. The first matching circuit may include multiple stages coupled to a first node and may provide input impedance matching for the amplifier. The second matching circuit may include multiple stages coupled to a second node and may provide output impedance matching for the amplifier. At least one switch may be coupled between the first and second nodes and may bypass or select the amplifier. The first and second nodes may have a common impedance. The apparatus may further include a second amplifier coupled in parallel with the amplifier and further to the matching circuits. The second matching circuit may include a first input stage coupled to the amplifier, a second input stage coupled to the second amplifier, and a second stage coupled to the two input stages via switches.
摘要翻译：描述了用于执行阻抗匹配的示例性技术。在示例性实施例中，该装置可以包括耦合到第一和第二匹配电路的放大器（例如，功率放大器）。第一匹配电路可以包括耦合到第一节点的多个级并且可以为放大器提供输入阻抗匹配。第二匹配电路可以包括耦合到第二节点的多个级并且可以为放大器提供输出阻抗匹配。至少一个开关可以耦合在第一和第二节点之间，并且可以旁路或选择放大器。第一和第二节点可以具有公共阻抗。该装置还可以包括与放大器并联并且进一步耦合到匹配电路的第二放大器。第二匹配电路可以包括耦合到放大器的第一输入级，耦合到第二放大器的第二输入级，以及经由开关耦合到两个输入级的第二级。

6. 发明授权

US08536950B2 Multi-stage impedance matching 有权
标题翻译：多级阻抗匹配
公开(公告)号：US08536950B2
公开(公告)日：2013-09-17
申请号：US12641228
申请日：2009-12-17
申请人： Babak Nejati , Yu Zhao , Nathan M Pletcher , Aristotele Hadjichristos , Puay Hoe See
发明人： Babak Nejati , Yu Zhao , Nathan M Pletcher , Aristotele Hadjichristos , Puay Hoe See
IPC分类号： H03F3/04
CPC分类号： H03F1/565 , H03F3/211 , H03F3/72
摘要： Exemplary techniques for performing impedance matching are described. In an exemplary embodiment, the apparatus may include an amplifier (e.g., a power amplifier) coupled to first and second matching circuits. The first matching circuit may include multiple stages coupled to a first node and may provide input impedance matching for the amplifier. The second matching circuit may include multiple stages coupled to a second node and may provide output impedance matching for the amplifier. At least one switch may be coupled between the first and second nodes and may bypass or select the amplifier. The first and second nodes may have a common impedance. The apparatus may further include a second amplifier coupled in parallel with the amplifier and further to the matching circuits. The second matching circuit may include a first input stage coupled to the amplifier, a second input stage coupled to the second amplifier, and a second stage coupled to the two input stages via switches.
摘要翻译：描述了用于执行阻抗匹配的示例性技术。在示例性实施例中，该装置可以包括耦合到第一和第二匹配电路的放大器（例如，功率放大器）。第一匹配电路可以包括耦合到第一节点的多个级并且可以为放大器提供输入阻抗匹配。第二匹配电路可以包括耦合到第二节点的多个级并且可以为放大器提供输出阻抗匹配。至少一个开关可以耦合在第一和第二节点之间，并且可以旁路或选择放大器。第一和第二节点可以具有公共阻抗。该装置还可以包括与放大器并联并且进一步耦合到匹配电路的第二放大器。第二匹配电路可以包括耦合到放大器的第一输入级，耦合到第二放大器的第二输入级，以及经由开关耦合到两个输入级的第二级。

7. 发明申请

US20110043285A1 DIGITAL TUNABLE INTER-STAGE MATCHING CIRCUIT 有权
标题翻译：数字可调节间歇匹配电路
公开(公告)号：US20110043285A1
公开(公告)日：2011-02-24
申请号：US12715254
申请日：2010-03-01
申请人： Yu Zhao , Babak Nejati , Nathan M. Pletcher , Aristotele Hadjichristos
发明人： Yu Zhao , Babak Nejati , Nathan M. Pletcher , Aristotele Hadjichristos
IPC分类号： H03F3/16
CPC分类号： H03F1/42 , H03F1/223 , H03F3/193 , H03F2200/318 , H03H7/40
摘要： A tunable inter-stage matching circuit that can improve performance is described. In an exemplary design, an apparatus includes a first active circuit (e.g., a driver amplifier), a second active circuit (e.g., a power amplifier), and a tunable inter-stage matching circuit coupled between the first and second active circuits. The tunable inter-stage matching circuit includes a tunable capacitor that can be varied in discrete steps to adjust impedance matching between the first and second active circuits. In an exemplary design, the tunable capacitor includes (i) a plurality of capacitors coupled in parallel and (ii) a plurality of switches coupled to the plurality of capacitors, one switch for each capacitor. Each switch may be turned on to select an associated capacitor or turned off to unselect the associated capacitor. The tunable capacitor may further include a fixed capacitor coupled in parallel with the plurality of capacitors.
摘要翻译：描述了可以提高性能的可调谐级间匹配电路。在示例性设计中，装置包括耦合在第一和第二有源电路之间的第一有源电路（例如，驱动器放大器），第二有源电路（例如，功率放大器）和可调谐级间匹配电路。可调谐级间匹配电路包括可以在离散步骤中变化的可调谐电容器，以调整第一和第二有源电路之间的阻抗匹配。在示例性设计中，可调谐电容器包括（i）并联耦合的多个电容器和（ii）耦合到多个电容器的多个开关，用于每个电容器的一个开关。每个开关可以被接通以选择一个相关联的电容器或关闭以取消选择相关联的电容器。可调谐电容器还可以包括与多个电容器并联耦合的固定电容器。

8. 发明申请

US20110316637A1 AMPLIFIER MODULE WITH MULTIPLE OPERATING MODES 有权
标题翻译：具有多种操作模式的放大器模块
公开(公告)号：US20110316637A1
公开(公告)日：2011-12-29
申请号：US13226400
申请日：2011-09-06
申请人： Nathan M. Pletcher , Aristotele Hadjichristos , Babak Nejati
发明人： Nathan M. Pletcher , Aristotele Hadjichristos , Babak Nejati
IPC分类号： H03F3/04
CPC分类号： H03F1/0277 , H03F1/56 , H03F3/195 , H03F3/211 , H03F3/245 , H03F3/72 , H03F2200/222 , H03F2200/27 , H03F2200/318 , H03F2200/387 , H03F2200/411 , H03F2200/451 , H03F2200/522 , H03F2200/75 , H03F2203/21136 , H03F2203/21139 , H03F2203/21142 , H03F2203/21157 , H03F2203/21175 , H03F2203/21196 , H03F2203/7206 , H03F2203/7236 , H03G1/0088
摘要： An amplifier module with multiple operating modes is described. In an exemplary design, an apparatus includes a plurality of amplifiers. The apparatus may also include a plurality of switches, each switch coupled to an output of an associated amplifier in the plurality of amplifiers and configured to provide an amplified signal in a first mode and bypass the associated amplifier and provide an associated bypass signal in a second mode. Further, the apparatus may include an output circuit including a plurality of matching circuits, each matching circuit coupled to an associated amplifier in the plurality of amplifiers and an associated switch in the plurality of switches.
摘要翻译：描述具有多种工作模式的放大器模块。在示例性设计中，装置包括多个放大器。该装置还可以包括多个开关，每个开关耦合到多个放大器中的相关联的放大器的输出，并且被配置为以第一模式提供放大的信号并且旁路相关的放大器并在第二模式中提供相关的旁路信号模式。此外，该装置可以包括包括多个匹配电路的输出电路，每个匹配电路耦合到多个放大器中的相关联的放大器以及多个开关中的关联开关。

9. 发明申请

US20110032035A1 AMPLIFIER MODULE WITH MULTIPLE OPERATING MODES 有权
标题翻译：具有多种操作模式的放大器模块
公开(公告)号：US20110032035A1
公开(公告)日：2011-02-10
申请号：US12757679
申请日：2010-04-09
申请人： Nathan M. Pletcher , Aristotele Hadjichristos , Babak Nejati
发明人： Nathan M. Pletcher , Aristotele Hadjichristos , Babak Nejati
IPC分类号： H03F3/16 , H03F1/00 , H03F3/68
CPC分类号： H03F1/0277 , H03F1/56 , H03F3/195 , H03F3/211 , H03F3/245 , H03F3/72 , H03F2200/222 , H03F2200/27 , H03F2200/318 , H03F2200/387 , H03F2200/411 , H03F2200/451 , H03F2200/522 , H03F2200/75 , H03F2203/21136 , H03F2203/21139 , H03F2203/21142 , H03F2203/21157 , H03F2203/21175 , H03F2203/21196 , H03F2203/7206 , H03F2203/7236 , H03G1/0088
摘要： An amplifier module with multiple operating modes is described. In an exemplary design, the amplifier module includes an amplifier (e.g., a power amplifier), a switch, and an output circuit. The amplifier receives and amplifies an input signal and provides an amplified signal in a first mode. The switch is coupled to the output of the amplifier and bypasses the amplifier and provides a bypass signal in a second mode. The output circuit is coupled to the amplifier and the switch. The output circuit performs output impedance matching for the amplifier in the first mode. The output circuit also (i) receives the amplified signal and provides an output signal in the first mode and (ii) receives the bypass signal and provides the output signal in the second mode. The amplifier is enabled in the first mode and disabled in the second mode.
摘要翻译：描述具有多种工作模式的放大器模块。在示例性设计中，放大器模块包括放大器（例如，功率放大器），开关和输出电路。放大器接收并放大输入信号并在第一模式中提供放大的信号。开关耦合到放大器的输出端，并且旁路放大器并在第二模式中提供旁路信号。输出电路耦合到放大器和开关。输出电路在第一模式下对放大器执行输出阻抗匹配。输出电路还（i）接收放大的信号并在第一模式中提供输出信号，并且（ii）接收旁路信号并在第二模式中提供输出信号。放大器在第一种模式下使能，在第二种模式下禁用。

10. 发明授权

US08102205B2 Amplifier module with multiple operating modes 有权
标题翻译：具有多种工作模式的放大器模块
公开(公告)号：US08102205B2
公开(公告)日：2012-01-24
申请号：US12757679
申请日：2010-04-09
申请人： Nathan M Pletcher , Aristotele Hadjichristos , Babak Nejati
发明人： Nathan M Pletcher , Aristotele Hadjichristos , Babak Nejati
IPC分类号： H03F1/14
CPC分类号： H03F1/0277 , H03F1/56 , H03F3/195 , H03F3/211 , H03F3/245 , H03F3/72 , H03F2200/222 , H03F2200/27 , H03F2200/318 , H03F2200/387 , H03F2200/411 , H03F2200/451 , H03F2200/522 , H03F2200/75 , H03F2203/21136 , H03F2203/21139 , H03F2203/21142 , H03F2203/21157 , H03F2203/21175 , H03F2203/21196 , H03F2203/7206 , H03F2203/7236 , H03G1/0088
摘要： An amplifier module with multiple operating modes is described. In an exemplary design, the amplifier module includes an amplifier (e.g., a power amplifier), a switch, and an output circuit. The amplifier receives and amplifies an input signal and provides an amplified signal in a first mode. The switch is coupled to the output of the amplifier and bypasses the amplifier and provides a bypass signal in a second mode. The output circuit is coupled to the amplifier and the switch. The output circuit performs output impedance matching for the amplifier in the first mode. The output circuit also (i) receives the amplified signal and provides an output signal in the first mode and (ii) receives the bypass signal and provides the output signal in the second mode. The amplifier is enabled in the first mode and disabled in the second mode.
摘要翻译：描述具有多种工作模式的放大器模块。在示例性设计中，放大器模块包括放大器（例如，功率放大器），开关和输出电路。放大器接收并放大输入信号并在第一模式中提供放大的信号。开关耦合到放大器的输出端，并且旁路放大器并在第二模式中提供旁路信号。输出电路耦合到放大器和开关。输出电路在第一模式下对放大器执行输出阻抗匹配。输出电路还（i）接收放大的信号并在第一模式中提供输出信号，并且（ii）接收旁路信号并在第二模式中提供输出信号。放大器在第一种模式下使能，在第二种模式下禁用。

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