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公开(公告)号：US09256234B2
公开(公告)日：2016-02-09
申请号：US13747749
申请日：2013-01-23
Applicant: RF Micro Devices, Inc.
Inventor： Michael R. Kay , Nadim Khlat
CPC classification number: G05F1/46 , H02M1/14 , H02M2001/0067 , H03F1/0227 , H03F1/26 , H03F3/24 , H03F2200/351 , H03F2200/451 , H03F2200/504 , H04B15/005
Abstract: This disclosure relates to radio frequency (RF) power converters and methods of operating the same. In one embodiment, an RF power converter includes an RF switching converter, a low-drop out (LDO) regulation circuit, and an RF filter. The RF filter is coupled to receive a pulsed output voltage from the RF switching converter and a supply voltage from the LDO regulation circuit. The RF filter is operable to alternate between a first RF filter topology and a second RF filter topology. In the first RF filter topology, the RF filter is configured to convert the pulsed output voltage from a switching circuit into the supply voltage. The RF filter in the second RF filter topology is configured to filter the supply voltage from the LDO regulation circuit to reduce a ripple variation in a supply voltage level of the supply voltage. As such, the RF filter provides greater versatility.
Abstract translation: 本公开涉及射频（RF）功率转换器及其操作方法。 在一个实施例中，RF功率转换器包括RF开关转换器，低压降（LDO）调节电路和RF滤波器。 RF滤波器被耦合以接收来自RF开关转换器的脉冲输出电压和来自LDO调节电路的电源电压。 RF滤波器可操作以在第一RF滤波器拓扑和第二RF滤波器拓扑之间交替。 在第一RF滤波器拓扑中，RF滤波器被配置为将来自开关电路的脉冲输出电压转换成电源电压。 第二RF滤波器拓扑中的RF滤波器被配置为对来自LDO调节电路的电源电压进行滤波，以减少电源电压的电源电压电平中的纹波变化。 因此，RF滤波器提供更大的通用性。
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162.发明授权Tunable filter front end architecture for non-contiguous carrier aggregation 有权可调滤波器前端架构，用于不连续的载波聚合公开(公告)号：US09225382B2
公开(公告)日：2015-12-29
申请号：US14282393
申请日：2014-05-20
Applicant: RF Micro Devices, Inc.
Inventor： Nadim Khlat
CPC classification number: H04B1/44 , H04B1/0064 , H04L5/001
Abstract: Front end circuitry for a mobile terminal includes separate receive paths and filtering elements for different portions of each operating band. Accordingly, the filtering elements for each receive path can be designed with a smaller pass-band, thereby reducing the complexity of filtering circuitry in the front end circuitry and improving the efficiency thereof.
Abstract translation: 用于移动终端的前端电路包括用于每个工作频带的不同部分的单独的接收路径和滤波元件。 因此，用于每个接收路径的滤波元件可以设计成具有较小的通带，从而降低前端电路中的滤波电路的复杂性并提高其效率。
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公开(公告)号：US09197165B2
公开(公告)日：2015-11-24
申请号：US13948291
申请日：2013-07-23
Applicant: RF Micro Devices, Inc.
Inventor： Nadim Khlat , Michael R. Kay
IPC: H03G3/00 , H03F3/04 , H01G11/12 , H03F1/02 , H03F3/189 , H03F3/24 , H03F3/19 , H03F3/21 , H02M3/07
CPC classification number: H03F1/0238 , H02M3/07 , H03F1/0244 , H03F1/025 , H03F3/189 , H03F3/19 , H03F3/21 , H03F3/24 , H03F2200/102 , H03F2200/375 , H03F2200/451 , H03F2200/555 , H03G3/004
Abstract: Embodiments disclosed in the detailed description relate to a pseudo-envelope follower power management system used to manage the power delivered to a linear RF power amplifier.
Abstract translation: 在详细描述中公开的实施例涉及用于管理传送到线性RF功率放大器的功率的伪包络跟随器功率管理系统。
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公开(公告)号：US09197162B2
公开(公告)日：2015-11-24
申请号：US14212199
申请日：2014-03-14
Applicant: RF Micro Devices, Inc.
Inventor： Jean-Frederic Chiron , Nadim Khlat
CPC classification number: H03F1/02 , H03F1/0222 , H03F3/189 , H03F3/20
Abstract: A radio frequency (RF) system includes an RF power amplifier (PA), which uses an envelope tracking power supply voltage to provide an RF transmit signal, which has an RF envelope; and further includes an envelope tracking power supply, which provides the envelope tracking power supply voltage based on a setpoint. RF transceiver circuitry, which includes envelope control circuitry and an RF modulator is disclosed. The envelope control circuitry provides the setpoint, such that the envelope tracking power supply voltage is clipped to form clipped regions and substantially tracks the RF envelope between the clipped regions, wherein a dynamic range of the envelope tracking power supply voltage is limited. The RF modulator provides an RF input signal to the RF PA, which receives and amplifies the RF input signal to provide the RF transmit signal.
Abstract translation: 射频（RF）系统包括RF功率放大器（PA），其使用包络跟踪电源电压来提供具有RF包络的RF发射信号; 并且还包括一个包络跟踪电源，它根据设定点提供包络跟踪电源电压。 公开了包括封装控制电路和RF调制器的RF收发器电路。 包络控制电路提供设定点，使得包络跟踪电源电压被限幅以形成限幅区域，并且基本上跟踪限幅区域之间的RF包络，其中包络跟踪电源电压的动态范围受到限制。 RF调制器向RF PA提供RF输入信号，RF PA接收并放大RF输入信号以提供RF发射信号。
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165.发明申请RF FRONT-END CIRCUITRY WITH TRANSISTOR AND MICROELECTROMECHANICAL MULTIPLE THROW SWITCHES 有权具有晶体管和微电子多功能开关的RF前端电路公开(公告)号：US20150303976A1
公开(公告)日：2015-10-22
申请号：US14011802
申请日：2013-08-28
Applicant: RF Micro Devices, Inc.
Inventor： Nadim Khlat , Jonathan Hale Hammond , Marcus Granger-Jones
IPC: H04B1/44
Abstract: This disclosure relates generally to radio frequency (RF) front-end circuitry for routing RF signals to and/or from one or more antennas. Exemplary RF front-end circuitry includes a multiple throw solid-state transistor switch (MTSTS) and a multiple throw microelectromechanical switch (MTMEMS). The MTSTS may be configured to selectively couple a first pole port to any one of a first set of throw ports. The MTMEMS is configured to selectively couple a second pole port to any one of a second set of throw ports. The second pole port of the MTMEMS is coupled to a first throw port in the first set of throw ports of the MTSTS. The MTSTS helps prevent hot switching in the MTMEMS since the first throw port of the MTSTS may be decoupled from the second pole port of the MTMEMS before decoupling the second pole port from a selectively coupled throw port of the MTMEMS.
Abstract translation: 本公开一般涉及用于将RF信号路由到和/或来自一个或多个天线的射频（RF）前端电路。 示例性RF前端电路包括多掷固态晶体管开关（MTSTS）和多掷微机电开关（MTMEMS）。 MTSTS可以被配置为选择性地将第一极端口耦合到第一组投掷端口中的任何一个。 MTMEMS被配置为选择性地将第二极端口耦合到第二组投掷端口中的任何一个。 MTMEMS的第二个极端口连接到MTSTS的第一组丢弃端口中的第一个端口。 MTSTS有助于防止MTMEMS中的热切换，因为在将第二个极端口与MTMEMS的选择性耦合的投掷端口分离之前，MTSTS的第一个端口可以与MTMEMS的第二个极端口分离。
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Patent Agency Ranking
公开(公告)号：US20150263831A1
公开(公告)日：2015-09-17
申请号：US14659314
申请日：2015-03-16
Applicant: RF Micro Devices, Inc.
Inventor： Nadim Khlat , Marcus Granger-Jones
CPC classification number: H04B1/525
Abstract: RF circuitry, which includes a first hybrid RF coupler, a second hybrid RF coupler, and a third hybrid RF coupler, is disclosed. The first hybrid RF coupler is coupled to a first RF antenna. The second hybrid RF coupler is configured to receive a first lowband RF receive signal via the first RF antenna. The first hybrid RF coupler is configured to receive one of a first midband RF receive signal and a first highband RF receive signal via the first RF antenna. The third hybrid RF coupler configured to receive another of the first midband RF receive signal and the first highband RF receive signal via the first RF antenna.
Abstract translation: RF电路，其包括第一混合RF耦合器，第二混合RF耦合器和第三混合RF耦合器。 第一混合RF耦合器耦合到第一RF天线。 第二混合RF耦合器经配置以经由第一RF天线接收第一低频RF接收信号。 第一混合RF耦合器经配置以经由第一RF天线接收第一中频带RF接收信号和第一高频RF接收信号中的一个。 第三混合RF耦合器被配置为经由第一RF天线接收另一个第一中频带RF接收信号和第一高频RF接收信号。
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公开(公告)号：US09024688B2
公开(公告)日：2015-05-05
申请号：US13782142
申请日：2013-03-01
Applicant: RF Micro Devices, Inc.
Inventor： Michael R. Kay , Andrew F. Folkmann , Nadim Khlat , Philippe Gorisse
CPC classification number: G05F1/46 , H03F1/02 , H03F1/0266 , H03F3/195 , H03F3/24 , H03F2200/432 , H03F2200/555
Abstract: A direct current (DC)-DC converter, which includes switching circuitry, a first parallel amplifier, and a second parallel amplifier, is disclosed. The switching circuitry has a switching circuitry output. The first parallel amplifier has a first feedback input and a first parallel amplifier output. The second parallel amplifier has a second feedback input and a second parallel amplifier output. A first inductive element is coupled between the switching circuitry output and the first feedback input. A second inductive element is coupled between the first feedback input and the second feedback input.
Abstract translation: 公开了一种直流（DC）-DC转换器，其包括开关电路，第一并联放大器和第二并联放大器。 开关电路具有开关电路输出。 第一并联放大器具有第一反馈输入和第一并联放大器输出。 第二并联放大器具有第二反馈输入和第二并联放大器输出。 第一电感元件耦合在开关电路输出和第一反馈输入之间。 第二感应元件耦合在第一反馈输入和第二反馈输入之间。
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公开(公告)号：US20150117280A1
公开(公告)日：2015-04-30
申请号：US14523065
申请日：2014-10-24
Applicant: RF Micro Devices, Inc.
Inventor： Nadim Khlat , Marcus Granger-Jones
CPC classification number: H04B1/50 , H04B1/0057 , H04B10/556 , H04L5/08 , H04L27/2085
Abstract: Embodiments of a tunable radio frequency (RF) diplexer and methods of duplexing transmission and receive signals are disclosed. In one embodiment, the RF diplexer includes a first hybrid coupler, a second hybrid coupler, and an RF filter circuit, and a phase inversion component. Both the RF filter circuit and the phase inversion component are connected between the first hybrid coupler and the second hybrid coupler. In some embodiments, the phase inversion component is provided by the RF filter circuit, while in other embodiments, the phase inversion component is provided separately. The phase inversion component is configured to provide a differential phase shift. The benefit of introducing the differential phase shift is that it provides increased isolation and broadband isolation between the different frequency bands being diplexed by the RF diplexer.
Abstract translation: 公开了可调谐射频（RF）双工器的实施例和双工传输和接收信号的方法。 在一个实施例中，RF双工器包括第一混合耦合器，第二混合耦合器和RF滤波器电路以及相位转换部件。 RF滤波器电路和相位反转分量都连接在第一混合耦合器和第二混合耦合器之间。 在一些实施例中，相位反转分量由RF滤波器电路提供，而在其它实施例中，分相提供相位反转分量。 相位分量被配置为提供差分相移。 引入差分相移的好处是它提供了由RF双工器双工的不同频带之间增加的隔离和宽带隔离。
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公开(公告)号：US20140227982A1
公开(公告)日：2014-08-14
申请号：US13929987
申请日：2013-06-28
Applicant: RF Micro Devices, Inc.
Inventor： Marcus Granger-Jones , Nadim Khlat
CPC classification number: H04B7/0404 , H01Q1/242 , H01Q21/28 , H04B1/006 , H04B1/0064 , H04B1/3816 , H04B7/0691
Abstract: Radio frequency (RF) front end circuitry includes one or more antenna ports, one or more RF switching ports, and an RF switch matrix coupled between the antenna ports and the RF front end ports. The RF switch matrix comprises a dual 4×4 multiplexer, and is adapted to selectively couple any one of the antennas to any one of the plurality of RF switching ports.
Abstract translation: 射频（RF）前端电路包括一个或多个天线端口，一个或多个RF交换端口以及耦合在天线端口与RF前端端口之间的RF开关矩阵。 RF开关矩阵包括双重4×4多路复用器，并且适于将任何一个天线选择性地耦合到多个RF交换端口中的任何一个。
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170.发明申请MODULATED POWER SUPPLY SYSTEM AND METHOD WITH AUTOMATIC TRANSITION BETWEEN BUCK AND BOOST MODES 有权调节电源系统及其自动转换方式与BUCK和BOOST模式之间公开(公告)号：US20140139199A1
公开(公告)日：2014-05-22
申请号：US14082629
申请日：2013-11-18
Applicant: RF Micro Devices, Inc.
Inventor： Nadim Khlat , Michael R. Kay
IPC: H02M3/158
CPC classification number: H02M3/1582 , H02M2001/0045 , H02M2001/007
Abstract: The present disclosure provides a modulated power supply system having a switching converter with an output terminal for supplying modulated power to a load. The modulated power supply system also includes a controller adapted to transition the switching converter between a buck mode and a boost mode in response to a detection of at least one predetermined condition associated with the output terminal.
Abstract translation: 本公开提供了一种具有开关转换器的调制电源系统，其具有用于向负载提供调制电力的输出端子。 调制电源系统还包括控制器，其适于响应于检测到与输出端子相关联的至少一个预定条件而在降压模式和升压模式之间转换开关转换器。
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