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    CHAÎNE D'AMPLIFICATION DU TYPE DISPOSITIF DE PLOT DE GAIN AMÉLIORÉE
    1.
    发明公开
    CHAÎNE D'AMPLIFICATION DU TYPE DISPOSITIF DE PLOT DE GAIN AMÉLIORÉE 审中-公开
    CHA D'AMP AMP DU TYPE TYPE TYPE TYPE TYPE TYPE TYPE TYPE TYPE AM AM AM AM AM AM AM AM AM AM

    公开(公告)号：EP3235125A1

    公开(公告)日：2017-10-25

    申请号：EP15820507.0

    申请日：2015-12-18

    申请人： THALES

    发明人： DUPUY, Victor ,  MALLET-GUY, Benoit ,  ROUSSEL, Laurent ,  AURIC, Claude

    IPC分类号： H03F1/02 ,  H03F3/60 ,  H03F3/72 ,  H03G1/00

    CPC分类号： H03F3/607 ,  H03F1/0277 ,  H03F3/72 ,  H03F2200/18 ,  H03F2200/294 ,  H03F2200/36 ,  H03F2200/372 ,  H03F2200/39 ,  H03F2200/42 ,  H03F2200/451 ,  H03F2200/75 ,  H03F2203/7206 ,  H03F2203/7236 ,  H03G1/0088

    摘要： The invention relates to a channel (1) which comprises: an input transmission line (7); an output transmission line (8); a coupling element (10-i) between the input and output lines including first and second meshes that are parallel to one another, the first mesh including a first active cell (16) including a transistor that can switch from a blocked state to a polarised state, the second mesh including a capacitor (Ci) and a second active cell (17) including a transistor, which can switch from a blocked state to a polarised state, one capacitance of the capacitor being selected so that a gain of the first mesh is different from the gain of the second mesh, the amplifier channel thus being capable of being switched between first and second states, each of which has a specific characteristic gain, so as to perform the gain blocking function.

    摘要翻译： 本发明涉及一种通道（1），该通道（1）包括：输入传输线（7） 输出传输线（8）; 在输入和输出线之间的耦合元件（10-i），所述耦合元件包括彼此平行的第一和第二网格，所述第一网格包括第一有源单元（16），所述第一有源单元包括晶体管，所述晶体管可以从阻断状态切换到偏振 状态，所述第二网格包括电容器（Ci）和包括晶体管的第二有源单元（17），所述晶体管可以从阻断状态切换到极化状态，所述电容器的一个电容被选择为使得所述第一网格的增益 与第二网格的增益不同，因此放大器通道能够在第一状态和第二状态之间切换，其中每个状态都具有特定的特性增益，从而执行增益阻断功能。

    COMMON-GATE AMPLIFIER FOR HIGH-SPEED DC-COUPLING COMMUNICATIONS
    2.
    发明公开
    COMMON-GATE AMPLIFIER FOR HIGH-SPEED DC-COUPLING COMMUNICATIONS 审中-公开
    用于高速直流耦合通信的共栅放大器

    公开(公告)号：EP3195472A1

    公开(公告)日：2017-07-26

    申请号：EP15744456.3

    申请日：2015-07-22

    申请人： Qualcomm Incorporated

    发明人： LI, Miao ,  SUN, Li ,  ZHU, Zhi

    IPC分类号： H03F3/45 ,  H04L25/02

    CPC分类号： H03F3/45071 ,  H03F3/183 ,  H03F3/45179 ,  H03F3/45677 ,  H03F3/45713 ,  H03F2200/129 ,  H03F2200/255 ,  H03F2200/36 ,  H03F2200/453 ,  H03F2203/45008 ,  H03F2203/45078 ,  H03F2203/45112 ,  H03F2203/45302 ,  H03F2203/45306 ,  H03F2203/45418 ,  H03F2203/45422 ,  H03F2203/45424 ,  H04B1/16 ,  H04L25/0272

    摘要： A receiver (305) comprises a differential common-gate amplifier (310) having a differential input and a differential output, wherein the differential input comprises a first input and a second input, and the differential common-gate amplifier (310) is configured to amplify an input differential signal at the differential input into an amplified differential signal at the differential output. The receiver also comprises a common-mode voltage sensor (322) configured to sense a common-mode voltage of the input differential signal, a replica circuit configured to generate a replica voltage that tracks a direct current (DC) voltage at at least one of the first and second inputs, and a comparator configured to compare the sensed common-mode voltage with the replica voltage, and to adjust a first bias voltage input to the differential common-gate amplifier (310) based on the comparison, wherein the DC voltage depends on the first bias voltage.

    摘要翻译： 在一个实施例中，接收器包括具有差分输入和差分输出的差分共栅极放大器，其中差分输入包括第一输入和第二输入，并且差分共栅放大器被配置为将输入差分信号 在差分输入端输入差分输出端的放大差分信号。 该接收器还包括被配置为感测输入差分信号的共模电压的共模电压传感器，被配置为产生复制电压的复制电路，该复制电压在第一和第二电容器中的至少一个处跟踪直流（DC）电压 第二输入端和比较器，所述比较器被配置为将所述感测的共模电压与所述复制电压进行比较，并且基于所述比较来调整输入到所述差分共栅极放大器的第一偏压，其中所述DC电压取决于所述第一偏压 。

    HIGH-BANDWIDTH HIGH-GAIN AMPLIFIER
    5.
    发明公开
    HIGH-BANDWIDTH HIGH-GAIN AMPLIFIER 审中-公开
    HOCHLEISTUNGSVERSTÄRKERMIT HOHER BANDBREITE

    公开(公告)号：EP3002874A1

    公开(公告)日：2016-04-06

    申请号：EP15188986.2

    申请日：2006-10-31

    申请人： Marvell World Trade Ltd.

    发明人： SUTARDJA, Sehat

    IPC分类号： H03F3/45 ,  H03F3/26

    CPC分类号： H03F3/45183 ,  H03F1/08 ,  H03F3/26 ,  H03F2200/36

    摘要： An amplifier circuit includes a first transistor having a control terminal that receives a first amplifier input, a first terminal, and a second. The amplifier circuit includes a transimpedance amplifier having an input that communicates with the first terminal of the first transistor, and an output. The amplifier circuit includes an output amplifier having an input that communicates with the output of the transimpedance amplifier and an output.

    摘要翻译： 放大器电路包括具有接收第一放大器输入的控制端子的第一晶体管，第一端子和第二端子。 放大器电路包括跨阻放大器，其具有与第一晶体管的第一端连通的输入端和输出端。 放大器电路包括具有与跨阻放大器的输出通信的输入和输出的输出放大器。

    Amplifier circuit
    8.
    发明公开
    Amplifier circuit 审中-公开
    放大器电路

    公开(公告)号：EP2566048A3

    公开(公告)日：2014-04-30

    申请号：EP12182338.9

    申请日：2012-08-30

    申请人： NF Corporation

    发明人： Sobukawa, Shingo

    IPC分类号： H03F3/45 ,  H03F1/34 ,  H03F1/48 ,  H03F3/08 ,  H03F3/21

    CPC分类号： H03F1/34 ,  H03F1/486 ,  H03F3/087 ,  H03F3/211 ,  H03F3/45475 ,  H03F2200/135 ,  H03F2200/144 ,  H03F2200/261 ,  H03F2200/36 ,  H03F2200/405 ,  H03F2200/408 ,  H03F2200/411 ,  H03F2203/45138 ,  H03F2203/45512 ,  H03F2203/45526 ,  H03F2203/45528 ,  H03F2203/45536 ,  H03F2203/45544 ,  H03F2203/45548 ,  H03F2203/45594 ,  H03F2203/45612

    摘要： An amplifier circuit whose frequency response has almost no soft knee characteristic or no peak when inverting input capacitance Csin varies and when feedback capacitance Cf is a fixed value of small capacitance is provided. The amplifier circuit includes a plurality of amplifiers (U1, U2) each of which negative feedback is provided to and which are connected in series, and a feedback circuit (4, 8, 12) which is connected to an output side of an amplifier near output (U2) of the amplifier circuit and an input side of an amplifier near input (U1) of the amplifier circuit. These amplifiers are ones in the plurality of amplifiers. One or odd numbers of amplifiers in the plurality of amplifiers are inverting amplifiers.

    摘要翻译： 本发明提供一种放大器电路，其频率响应在倒相输入电容Csin变化时以及反馈电容Cf为小电容的固定值时几乎没有软拐点特性或没有峰值。 放大器电路包括多个放大器（U1，U2）和反馈电路（4,8,12），每个放大器（U1，U2）都被提供负反馈并且串联连接到放大器的输出侧 放大器电路的输出（U2）和放大器电路的输入（U1）附近的放大器的输入侧。 这些放大器是多个放大器中的一个。 多个放大器中的一个或奇数个放大器是反相放大器。

    Power amplifier for mobile telecommunications
    9.
    发明公开
    Power amplifier for mobile telecommunications 审中-公开
    对于移动通信功率放大器

    公开(公告)号：EP2696499A9

    公开(公告)日：2014-04-23

    申请号：EP12290270.3

    申请日：2012-08-10

    申请人： Alcatel Lucent

    发明人： Wong, James N.

    IPC分类号： H03F1/02 ,  H03F1/42 ,  H03F1/56 ,  H03F3/60

    CPC分类号： H03F1/0288 ,  H03F1/42 ,  H03F1/565 ,  H03F3/602 ,  H03F2200/111 ,  H03F2200/36 ,  H03F2200/423 ,  H03F2200/543 ,  H03F2200/546

    摘要： A Doherty amplifier including a carrier amplifier (Main), and at least one peaking amplifier (Peak), wherein an impedance inverter (6) at the output of the carrier amplifier includes first and second parallel paths, the first path (10) including a first λ/4 line impedance (L2a) providing an impedance inversion, and the second path (12) including a variable second impedance, including transmission line lengths (L2b, L3) and voltage controlled varactor devices (C1, C2) for adjustment of frequency response and/or output impedance of the impedance inversion means, in order to provide optimal impedance over a broadband range of frequencies.

    Power amplifier for mobile telecommunications
    10.
    发明公开
    Power amplifier for mobile telecommunications 审中-公开
    移动电信的功率放大器

    公开(公告)号：EP2696499A1

    公开(公告)日：2014-02-12

    申请号：EP12290270.3

    申请日：2012-08-10

    申请人： Alcatel Lucent

    发明人： Wong, James N.

    IPC分类号： H03F1/02 ,  H03F1/42 ,  H03F1/56 ,  H03F3/60

    CPC分类号： H03F1/0288 ,  H03F1/42 ,  H03F1/565 ,  H03F3/602 ,  H03F2200/111 ,  H03F2200/36 ,  H03F2200/423 ,  H03F2200/543 ,  H03F2200/546

    摘要： A Doherty amplifier including a carrier amplifier (Main), and at least one peaking amplifier (Peak), wherein an impedance inverter (6) at the output of the carrier amplifier includes first and second parallel paths, the first path (10) including a first λ/4 line impedance (L2a) providing an impedance inversion, and the second path (12) including a variable second impedance, including transmission line lengths (L2b, L3) and voltage controlled varactor devices (C1, C2) for adjustment of frequency response and/or output impedance of the impedance inversion means, in order to provide optimal impedance over a broadband range of frequencies.

    摘要翻译： 包括载波放大器（Main）和至少一个峰值放大器（Peak）的Doherty放大器，其中载波放大器的输出端处的阻抗倒相器（6）包括第一和第二并行路径，第一路径（10）包括 第一λ/ 4线阻抗（L2a）提供阻抗反转，并且第二路径（12）包括可变的第二阻抗，包括传输线长度（L2b，L3）和用于频率调节的电压控制变容二极管器件 响应和/或阻抗反转装置的输出阻抗，以便在宽频带范围内提供最佳阻抗。