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    ADAPTIVE POWER AMPLIFIER
    1.
    发明申请
    ADAPTIVE POWER AMPLIFIER 有权
    自适应功率放大器

    公开(公告)号：US20120001692A1

    公开(公告)日：2012-01-05

    申请号：US13231871

    申请日：2011-09-13

    申请人： Abbas Komijani ,  Seyed-Ali Hajimiri ,  Scott D. Kee ,  Ichiri Aoki

    发明人： Abbas Komijani ,  Seyed-Ali Hajimiri ,  Scott D. Kee ,  Ichiri Aoki

    IPC分类号： H03F3/26

    CPC分类号： H03F3/265 ,  H03F1/223 ,  H03F3/423 ,  H03F3/602 ,  H03F3/604 ,  H03F2200/372 ,  H03F2200/421 ,  H03F2200/534 ,  H03F2200/537 ,  H03F2200/541

    摘要： Reconfigurable distributed active transformers are provided. The exemplary embodiments provided allow changing of the effective number and configuration of the primary and secondary windings, where the distributed active transformer structures can be reconfigured dynamically to control the output power levels, allow operation at multiple frequency bands, maintain a high performance across multiple channels, and sustain desired characteristics across process, temperature and other environmental variations. Integration of the distributed active transformer power amplifiers and a low noise amplifier on a semiconductor substrate can also be provided.

    摘要翻译： 提供可重配置的分布式有源变压器。 提供的示例性实施例允许改变主和次级绕组的有效数量和配置，其中分布式有源变压器结构可以动态地重新配置以控制输出功率电平，允许在多个频带上操作，在多个通道上保持高性能 并保持过程，温度和其他环境变化的期望特征。 还可以提供分布式有源变压器功率放大器和低噪声放大器在半导体衬底上的集成。

    Adaptive power amplifier
    2.
    发明授权
    Adaptive power amplifier 有权
    自适应功率放大器

    公开(公告)号：US08350625B2

    公开(公告)日：2013-01-08

    申请号：US13231871

    申请日：2011-09-13

    申请人： Abbas Komijani ,  Seyed-Ali Hajimiri ,  Scott D. Kee ,  Ichiri Aoki

    发明人： Abbas Komijani ,  Seyed-Ali Hajimiri ,  Scott D. Kee ,  Ichiri Aoki

    IPC分类号： H03F3/26

    CPC分类号： H03F3/265 ,  H03F1/223 ,  H03F3/423 ,  H03F3/602 ,  H03F3/604 ,  H03F2200/372 ,  H03F2200/421 ,  H03F2200/534 ,  H03F2200/537 ,  H03F2200/541

    摘要： A power amplifier circuit comprising a scalable power amplifier including an input and an output, and a plurality of activated amplifier elements operative to produce an output signal at the output, and operative to dynamically vary a power output level of the output signal. A variable impedance circuit operatively responsive to dynamically load the output of the scalable power amplifier. Wherein the scalable power amplifier further includes an amplifier configuration circuit operatively responsive to selectively activate the selectively activated amplifier elements by at least reducing power to at least one of the selectively activated amplifier elements.

    摘要翻译： 一种功率放大器电路，包括包括输入和输出的可分级功率放大器，以及多个激活的放大器元件，用于在输出端产生输出信号，并可操作以动态地改变输出信号的功率输出电平。 可变阻抗电路，其可操作地响应于动态地加载可伸缩功率放大器的输出。 其中可扩展功率放大器还包括放大器配置电路，其可操作地响应于通过至少降低至少一个选择性激活的放大器元件的功率来选择性地激活选择性激活的放大器元件。

    CROSS-DIFFERENTIAL AMPLIFIER
    3.
    发明申请
    CROSS-DIFFERENTIAL AMPLIFIER 有权
    交叉差分放大器

    公开(公告)号：US20120176200A1

    公开(公告)日：2012-07-12

    申请号：US13194845

    申请日：2011-07-29

    申请人： Seyed-Ali Hajimiri ,  Scott D. Kee ,  Ichiri Aoki

    发明人： Seyed-Ali Hajimiri ,  Scott D. Kee ,  Ichiri Aoki

    IPC分类号： H03F3/04

    CPC分类号： H03F1/0211 ,  H03F3/04 ,  H03F3/191 ,  H03F3/217 ,  H03F3/2176 ,  H03F3/45475 ,  H03F3/605 ,  H03F3/68 ,  H03F2200/507 ,  H03F2200/537 ,  H03F2200/541 ,  H03F2203/45464 ,  H03F2203/45704 ,  H03F2203/45731

    摘要： A cross-differential amplifier is provided. The cross-differential amplifier includes an inductor connected to a direct current power source at a first terminal. A first and second switch, such as transistors, are connected to the inductor at a second terminal. A first and second amplifier are connected at their supply terminals to the first and second switch. The first and second switches are operated to commutate the inductor between the amplifiers so as to provide an amplified signal while limiting the ripple voltage on the inductor and thus limiting the maximum voltage imposed across the amplifiers and switches.

    摘要翻译： 提供了一个交叉差分放大器。 交叉差分放大器包括在第一端子处连接到直流电源的电感器。 诸如晶体管的第一和第二开关在第二端子连接到电感器。 第一和第二放大器在其电源端连接到第一和第二开关。 第一和第二开关被操作以在放大器之间换向电感器，以便提供放大的信号，同时限制电感器上的纹波电压，从而限制放大器和开关上施加的最大电压。

    Multi-cascode transistors
    6.
    发明授权
    Multi-cascode transistors 有权
    多串联晶体管

    公开(公告)号：US06888396B2

    公开(公告)日：2005-05-03

    申请号：US10385769

    申请日：2003-03-11

    申请人： Seyed-Ali Hajimiri ,  Scott D. Kee ,  Ichiri Aoki

    发明人： Seyed-Ali Hajimiri ,  Scott D. Kee ,  Ichiri Aoki

    IPC分类号： H03F1/22 ,  H03F3/42 ,  H03F3/45 ,  H03K17/687

    CPC分类号： H03F3/423 ,  H03F1/22 ,  H03F1/223 ,  H03F1/226 ,  H03F3/42 ,  H03F3/45179 ,  H03F2203/45301 ,  H03F2203/45394 ,  Y10T307/832

    摘要： A cascode circuit with improved withstand voltage is provided. The cascode circuit includes three or more transistors, such as MOSFET transistors. Each transistor has a control terminal, such as a gate, and two conduction terminals, such as a drain and a source. The conduction terminals are coupled in series between two output terminals, such as where the drain of each transistor is coupled to the source of another transistor. A signal input is provided to the gate for the first transistor. Two or more control voltage sources, such as DC bias voltages, are provided to the gate of the remaining transistors. The DC bias voltages are selected so as to maintain the voltage across each transistor to a level below a breakdown voltage level.

    摘要翻译： 提供了具有改善的耐受电压的共源共栅电路。 共源共栅电路包括三个或更多个晶体管，例如MOSFET晶体管。 每个晶体管具有诸如栅极的控制端子和诸如漏极和源极的两个导电端子。 导通端子串联在两个输出端子之间，例如每个晶体管的漏极耦合到另一个晶体管的源极。 向第一晶体管的栅极提供信号输入。 将两个或更多个控制电压源（例如DC偏置电压）提供给剩余晶体管的栅极。 选择DC偏置电压以便将每个晶体管两端的电压保持在低于击穿电压电平的电平。

    Distributed circular geometry power amplifier architecture
    7.
    发明授权
    Distributed circular geometry power amplifier architecture 有权
    分布式圆形几何功率放大器架构

    公开(公告)号：US08049563B2

    公开(公告)日：2011-11-01

    申请号：US12209944

    申请日：2008-09-12

    申请人： Ichiro Aoki ,  Seyed-Ali Hajimiri ,  David B. Ruthledge ,  Scott D. Kee

    发明人： Ichiro Aoki ,  Seyed-Ali Hajimiri ,  David B. Ruthledge ,  Scott D. Kee

    IPC分类号： H03F3/26

    CPC分类号： H03F1/223 ,  H03F3/265 ,  H03F3/423 ,  H03F3/604 ,  H03F2200/534 ,  H03F2200/537 ,  H03F2200/541

    摘要： The present invention discloses a distributed power amplifier topology and device that efficiently and economically enhances the power output of an RF signal to be amplified. The power amplifier comprises a plurality of push-pull amplifiers interconnected in a novel circular geometry that preferably function as a first winding of an active transformer having signal inputs of adjacent amplification devices driven with an input signal of equal magnitude and opposite phase. The topology also discloses the use of a secondary winding that matches the geometry of primary winding and variations thereof that serve to efficiently combine the power of the individual power amplifiers. The novel architecture enables the design of low-cost, fully-integrated, high-power amplifiers in the RF, microwave, and millimeter-wave frequencies.

    摘要翻译： 本发明公开了一种分布式功率放大器拓扑和器件，其有效且经济地增强待放大的RF信号的功率输出。 功率放大器包括以新颖的圆形几何互连的多个推挽放大器，其优选地用作有源变压器的第一绕组，该有源变压器的信号输入由相等幅度和相反相位的输入信号驱动的相邻放大器件的信号输入。 该拓扑还公开了使用与初级绕组的几何形状及其变化相匹配的次级绕组，其用于有效地组合各个功率放大器的功率。 新颖的架构使得能够在RF，微波和毫米波频率中设计低成本，完全集成的大功率放大器。

    Reconfigurable distributed active transformers
    8.
    发明授权
    Reconfigurable distributed active transformers 有权
    可重构分布式有源变压器

    公开(公告)号：US07733183B2

    公开(公告)日：2010-06-08

    申请号：US12069263

    申请日：2008-02-08

    申请人： Abbas Komijani ,  Seyed-Ali Hajimiri ,  Scott D. Kee ,  Ichiro Aoki

    发明人： Abbas Komijani ,  Seyed-Ali Hajimiri ,  Scott D. Kee ,  Ichiro Aoki

    IPC分类号： H03F3/26

    CPC分类号： H03F3/265 ,  H03F1/223 ,  H03F3/423 ,  H03F3/602 ,  H03F3/604 ,  H03F2200/372 ,  H03F2200/421 ,  H03F2200/534 ,  H03F2200/537 ,  H03F2200/541

    摘要： Reconfigurable distributed active transformers are provided. The exemplary embodiments provided allow changing of the effective number and configuration of the primary and secondary windings, where the distributed active transformer structures can be reconfigured dynamically to control the output power levels, allow operation at multiple frequency bands, maintain a high performance across multiple channels, and sustain desired characteristics across process, temperature and other environmental variations. Integration of the distributed active transformer power amplifiers and a low noise amplifier on a semiconductor substrate can also be provided.

    摘要翻译： 提供可重配置的分布式有源变压器。 提供的示例性实施例允许改变主和次级绕组的有效数量和配置，其中分布式有源变压器结构可以动态地重新配置以控制输出功率电平，允许在多个频带上操作，在多个通道上保持高性能 并保持过程，温度和其他环境变化的期望特征。 还可以提供分布式有源变压器功率放大器和低噪声放大器在半导体衬底上的集成。

    Cross-differential amplifier
    9.
    发明申请
    Cross-differential amplifier 有权
    交叉差分放大器

    公开(公告)号：US20080211584A1

    公开(公告)日：2008-09-04

    申请号：US12075194

    申请日：2008-03-10

    申请人： Seyed-Ali Hajimiri ,  Scott D. Kee ,  Ichiro Aoki

    发明人： Seyed-Ali Hajimiri ,  Scott D. Kee ,  Ichiro Aoki

    IPC分类号： H03F3/04

    CPC分类号： H03F1/0211 ,  H03F3/04 ,  H03F3/191 ,  H03F3/217 ,  H03F3/2176 ,  H03F3/45475 ,  H03F3/605 ,  H03F3/68 ,  H03F2200/507 ,  H03F2200/537 ,  H03F2200/541 ,  H03F2203/45464 ,  H03F2203/45704 ,  H03F2203/45731

    摘要： A cross-differential amplifier is provided. The cross-differential amplifier includes an inductor connected to a direct current power source at a first terminal. A first and second switch, such as transistors, are connected to the inductor at a second terminal. A first and second amplifier are connected at their supply terminals to the first and second switch. The first and second switches are operated to commutate the inductor between the amplifiers so as to provide an amplified signal while limiting the ripple voltage on the inductor and thus limiting the maximum voltage imposed across the amplifiers and switches.

    摘要翻译： 提供了一个交叉差分放大器。 交叉差分放大器包括在第一端子处连接到直流电源的电感器。 诸如晶体管的第一和第二开关在第二端子处连接到电感器。 第一和第二放大器在其电源端连接到第一和第二开关。 第一和第二开关被操作以在放大器之间换向电感器，以便提供放大的信号，同时限制电感器上的纹波电压，从而限制放大器和开关上施加的最大电压。