公开(公告)号：EP1341303A1

公开(公告)日：2003-09-03

申请号：EP01932121.5

申请日：2001-05-17

申请人： MITSUBISHI DENKI KABUSHIKI KAISHA

发明人： TANIGUCHI, Eiji, MITSUBISHI DENKI K. K. ,  SUEMATSU, Noriharu, MITSUBISHI DENKI K. K. ,  SAWAUMI, Chiemi, MITSUBISHI DENKI K. K. ,  MAEDA, Kenichi, MITSUBISHI DENKI K. K. ,  IKUSHIMA, Takayuki, MITSUBISHI DENKI K. K. ,  JOBA, Hiroyuki, MITSUBISHI DENKI K. K. ,  TAKAGI, Tadashi, MITSUBISHI DENKI K. K.

IPC分类号： H03F1/32 ,  H03F1/30 ,  H03F1/26 ,  H03F3/19 ,  H03D7/14

CPC分类号： H03F3/72 ,  H03D7/1408 ,  H03D7/1433 ,  H03D7/1458 ,  H03D7/1491 ,  H03D2200/0033 ,  H03D2200/0043 ,  H03F1/302 ,  H03F3/19 ,  H03F3/45089 ,  H03F2200/249 ,  H03F2200/301 ,  H03F2200/492 ,  H03F2200/54 ,  H03F2203/7206

摘要： A high frequency amplifier in which a common emitter bipolar transistor is used, and in that a constant current source and a constant voltage source are switched to apply a DC bias to a base terminal of the bipolar transistor in accordance with a power level of a high frequency signal input to the bipolar transistor or a power level of a high frequency signal output therefrom, and a frequency mixer in that a DC bias is applied to a base of at least one of a bipolar transistor for the input of a high frequency signal and a bipolar transistor for the input of a local oscillation wave by using a configuration for applying the DC bias to a base of an amplifying bipolar transistor employed in the high frequency amplifier.

摘要翻译： 一种高频放大器，其中使用公共发射极双极晶体管，并且其中切换恒定电流源和恒定电压源，以根据高电平的功率电平向双极晶体管的基极端子施加DC偏压 输入到双极晶体管的高频信号或从其输出的高频信号的功率电平;以及混频器，其中DC偏置被施加到用于输入高频信号的双极晶体管中的至少一个的基极，以及 双极型晶体管，用于通过使用用于将高频放大器中使用的放大双极晶体管的基极施加直流偏置的配置来输入本地振荡波。

公开(公告)号：EP3213410A1

公开(公告)日：2017-09-06

申请号：EP15778536.1

申请日：2015-09-29

申请人： Qualcomm Incorporated

发明人： CHOKSI, Ojas Mahendra ,  FAN, Bin ,  HANAFI, Bassel

IPC分类号： H03F1/32 ,  H03F1/34 ,  H03F3/193 ,  H03F3/45 ,  H03F3/195

CPC分类号： H03F1/565 ,  H03F1/3211 ,  H03F1/347 ,  H03F3/193 ,  H03F3/195 ,  H03F3/45071 ,  H03F3/45188 ,  H03F3/45475 ,  H03F2200/294 ,  H03F2200/301 ,  H03F2200/451 ,  H03F2200/54 ,  H03F2203/21112 ,  H03F2203/45306 ,  H03F2203/45318 ,  H03F2203/45386 ,  H03F2203/45562 ,  H03F2203/45616 ,  H03F2203/45621 ,  H04B1/525

摘要： An apparatus includes: first and second transistors, each of the first and second transistors includes a gate terminal, a source terminal, and a drain terminal; and a transformer including a primary winding and first and second secondary windings, the primary winding is coupled to a first input node configured to receive an input signal and a second input node configured to receive a potential, the first and second secondary windings are coupled to gate terminals of the first and second transistors and cross-coupled to source terminals of the first and second transistors.

摘要翻译： 一种装置包括：第一和第二晶体管，第一和第二晶体管中的每一个包括栅极端子，源极端子和漏极端子; 以及包括初级绕组以及第一和第二次级绕组的变压器，所述初级绕组耦合到被配置为接收输入信号的第一输入节点和被配置为接收电位的第二输入节点，所述第一和第二次级绕组耦合到 第一和第二晶体管的栅极端子并交叉耦合到第一和第二晶体管的源极端子。

公开(公告)号：EP3044723A4

公开(公告)日：2017-05-03

申请号：EP14844032

申请日：2014-03-14

申请人： DOCKON AG

发明人： RADA PATRICK ANTOINE ,  BROWN FORREST JAMES ,  DUPUY ALEXANDRE

IPC分类号： G06G7/24 ,  H03F1/38 ,  H03F1/56 ,  H03F3/195 ,  H03F3/72 ,  H03L7/06 ,  H04B1/22

CPC分类号： H03F3/193 ,  H03F1/38 ,  H03F1/56 ,  H03F3/195 ,  H03F3/72 ,  H03F2200/129 ,  H03F2200/147 ,  H03F2200/222 ,  H03F2200/237 ,  H03F2200/241 ,  H03F2200/243 ,  H03F2200/246 ,  H03F2200/261 ,  H03F2200/294 ,  H03F2200/297 ,  H03F2200/301 ,  H03F2200/306 ,  H03F2200/309 ,  H03F2200/387 ,  H03F2200/391 ,  H03F2200/399 ,  H03F2200/402 ,  H03F2200/438 ,  H03F2200/451 ,  H03F2200/462 ,  H03L7/06 ,  H04B1/22

摘要： A logarithmic detector amplifying (LDA) system is provided for use as a high sensitivity receive booster or replacement for a low noise amplifier in a receive chain of a communication device. The LDA system includes an amplifying circuit configured to receive an input signal having a first frequency and generate an oscillation based on the input signal, a sampling circuit coupled to the amplifying circuit and configured to terminate the oscillation based on a predetermined threshold to periodically clamp and restart the oscillation to generate a series of pulses modulated by the oscillation and by the input signal, and one or more resonant circuits coupled with the amplifying circuit and configured to establish a frequency of operation and to generate an output signal having a second frequency, the second frequency being substantially the same as the first frequency.

摘要翻译： 提供对数检测器放大（LDA）系统用作通信设备的接收链中的高灵敏度接收升压器或替代低噪声放大器。 LDA系统包括：放大电路，被配置为接收具有第一频率的输入信号并且基于输入信号产生振荡;采样电路，耦合到放大电路并且被配置为基于预定阈值来终止振荡以周期性地钳位 重新开始振荡以产生由振荡和输入信号调制的一系列脉冲;以及一个或多个谐振电路，与放大电路耦合并被配置为建立操作频率并生成具有第二频率的输出信号， 第二频率与第一频率基本相同。

公开(公告)号：EP3044723A1

公开(公告)日：2016-07-20

申请号：EP14844032.4

申请日：2014-03-14

申请人： Dockon AG

发明人： RADA, Patrick, Antoine ,  BROWN, Forrest, James ,  DUPUY, Alexandre

IPC分类号： G06G7/24

CPC分类号： H03F3/193 ,  H03F1/38 ,  H03F1/56 ,  H03F3/195 ,  H03F3/72 ,  H03F2200/129 ,  H03F2200/147 ,  H03F2200/222 ,  H03F2200/237 ,  H03F2200/241 ,  H03F2200/243 ,  H03F2200/246 ,  H03F2200/261 ,  H03F2200/294 ,  H03F2200/297 ,  H03F2200/301 ,  H03F2200/306 ,  H03F2200/309 ,  H03F2200/387 ,  H03F2200/391 ,  H03F2200/399 ,  H03F2200/402 ,  H03F2200/438 ,  H03F2200/451 ,  H03F2200/462 ,  H03L7/06 ,  H04B1/22

摘要： A logarithmic detector amplifying (LDA) system is provided for use as a high sensitivity receive booster or replacement for a low noise amplifier in a receive chain of a communication device. The LDA system includes an amplifying circuit configured to receive an input signal having a first frequency and generate an oscillation based on the input signal, a sampling circuit coupled to the amplifying circuit and configured to terminate the oscillation based on a predetermined threshold to periodically clamp and restart the oscillation to generate a series of pulses modulated by the oscillation and by the input signal, and one or more resonant circuits coupled with the amplifying circuit and configured to establish a frequency of operation and to generate an output signal having a second frequency, the second frequency being substantially the same as the first frequency.

公开(公告)号：EP2999113A1

公开(公告)日：2016-03-23

申请号：EP14184900.0

申请日：2014-09-16

申请人： NXP B.V.

发明人： Huijser, Jan Paulus Freerk

IPC分类号： H03F1/02 ,  H03F3/181 ,  H03F3/189 ,  H03F3/68 ,  H02M3/00

CPC分类号： H04B1/04 ,  H02M3/158 ,  H03F1/0205 ,  H03F1/0211 ,  H03F3/181 ,  H03F3/183 ,  H03F3/189 ,  H03F3/19 ,  H03F3/217 ,  H03F3/68 ,  H03F2200/03 ,  H03F2200/301 ,  H03F2200/451 ,  H03F2200/471 ,  H03F2200/481 ,  H04W88/02

摘要： Mobile devices such as mobile phones include amplifiers for example audio and RF amplifiers which may consume a significant amount of the available power supplied by a battery. An amplifying system 100 for a mobile device is described the amplifying system comprising a current monitor 12 arranged between a first supply node and a second supply node and operable to monitor a current flow between the first and second supply nodes and to output a monitored current value; a peak current limiter 14 configured to limit an amplifier current to an amplifier to not exceed a maximum peak current value and coupled to a one of the first supply node and the second supply node; a controller coupled to the current monitor output and configured to control the peak current limiter. The amplifying system can dynamically manage the peak current available to the amplifier dependent on the load current being supplied by a battery.

摘要翻译： 诸如移动电话之类的移动设备包括放大器，例如音频和RF放大器，其可能消耗由电池提供的大量可用功率。 描述了用于移动设备的放大系统100，放大系统包括布置在第一供电节点和第二供电节点之间的电流监测器12，其可操作用于监测第一和第二供电节点之间的电流流动并输出监测的电流值 ; 峰值电流限制器14，其被配置为将放大器的放大器电流限制为不超过最大峰值电流值并且耦合到第一电源节点和第二电源节点中的一个; 耦合到电流监测器输出并被配置为控制峰值电流限制器的控制器。 放大系统可根据电池提供的负载电流动态管理放大器可用的峰值电流。

公开(公告)号：EP2994999A1

公开(公告)日：2016-03-16

申请号：EP14794237.9

申请日：2014-02-27

申请人： Raytheon Company

发明人： AUST, Timothy D.

IPC分类号： H03F3/24

CPC分类号： H01F27/40 ,  H01F27/2823 ,  H01F27/29 ,  H03F1/565 ,  H03F3/193 ,  H03F3/211 ,  H03F3/217 ,  H03F3/2178 ,  H03F3/245 ,  H03F3/601 ,  H03F3/604 ,  H03F2200/297 ,  H03F2200/301 ,  H03F2200/306 ,  H03F2200/321 ,  H03F2200/387 ,  H03F2200/39 ,  H03F2200/391 ,  H03F2200/393 ,  H03F2200/399 ,  H03F2200/423 ,  H03F2200/429 ,  H03F2200/451 ,  H03F2200/541

摘要： A wideband power amplifier module includes a plurality of switch mode amplifiers and a plurality of impedance amplifier modules. Each switch mode amplifier includes an input to receive an input signal, and an RF output to output an RF power signal. The switch mode amplifier includes at least one semiconductor switch formed from gallium nitride (GaN). Each impedance amplifier module includes an output electrically connected to the RF output of a respective switch mode amplifier. The impedance amplifier module is configured to inject at least one impedance control signal to each RF output.

公开(公告)号：EP1341303A4

公开(公告)日：2005-08-24

申请号：EP01932121

申请日：2001-05-17

申请人： MITSUBISHI ELECTRIC CORP

发明人： TANIGUCHI EIJI ,  SUEMATSU NORIHARU ,  SAWAUMI CHIEMI ,  MAEDA KENICHI ,  IKUSHIMA TAKAYUKI ,  JOBA HIROYUKI ,  TAKAGI TADASHI

IPC分类号： H03D7/14 ,  H03F1/02 ,  H03F1/30 ,  H03F1/32 ,  H03F3/19 ,  H03F3/45 ,  H03F3/72 ,  H03F1/26

CPC分类号： H03F3/72 ,  H03D7/1408 ,  H03D7/1433 ,  H03D7/1458 ,  H03D7/1491 ,  H03D2200/0033 ,  H03D2200/0043 ,  H03F1/302 ,  H03F3/19 ,  H03F3/45089 ,  H03F2200/249 ,  H03F2200/301 ,  H03F2200/492 ,  H03F2200/54 ,  H03F2203/7206

摘要： A high-frequency amplifier, wherein, using an emitter-earthed bipolar transistor, the DC bias of the bipolar transistor to a base terminal is applied by switching a constant current source and a constant voltage source according to the power level of the high-frequency signals input into or output from the bipolar transistor; and a high-frequency mixer, wherein, using such a structure that the DC bias is applied to the base of the bipolar transistor for amplification of the high-frequency amplifier, the DC bias is applied to the base of at least one of the bipolar transistors for inputting high-frequency signal and local oscillating wave.

公开(公告)号：EP2933918B1

公开(公告)日：2017-11-22

申请号：EP14175618.9

申请日：2014-07-03

申请人： Ampleon Netherlands B.V.

发明人： Moronval, Xavier ,  Bouny, Jean-Jacques ,  Bouisse, Gerard

IPC分类号： H03F1/02 ,  H03F3/19

CPC分类号： H03F1/0288 ,  H03F3/19 ,  H03F2200/301 ,  H03F2200/36 ,  H03F2200/451 ,  H04W88/08

摘要： A Doherty amplifier (100) for amplifying an input signal to an output signal, the Doherty amplifier (100) comprising: a main amplifier (110) for receiving a first signal and for amplifying the first signal to generate a first amplified signal; a first peak amplifier (112) for receiving a second signal and for generating a second amplified signal, the first peak amplifier (112) only operating when the second signal has reached a first threshold power, the first and second signal split from the input signal; and output circuitry (106) to combine the first and second amplified signals to generate an output signal having an operating bandwidth, the output circuitry (106) comprising inductors (124, 126) arranged in the format of a branch line coupler, the inductors (124, 126) coupled to the output parasitic capacitances of the main (110) and peak amplifier (112).

公开(公告)号：EP3168986A1

公开(公告)日：2017-05-17

申请号：EP16185674.5

申请日：2016-08-25

申请人： MediaTek Inc.

发明人： LIN, Lai-Ching ,  TSAI, Ming-Da

IPC分类号： H03F3/24 ,  H03G3/30 ,  H03F3/195 ,  H03F3/45 ,  H03F1/52 ,  H03F3/72 ,  H03F1/22

CPC分类号： H03G3/3042 ,  H03F1/223 ,  H03F1/523 ,  H03F3/193 ,  H03F3/195 ,  H03F3/21 ,  H03F3/245 ,  H03F3/45179 ,  H03F3/45475 ,  H03F3/72 ,  H03F2200/108 ,  H03F2200/153 ,  H03F2200/18 ,  H03F2200/228 ,  H03F2200/234 ,  H03F2200/258 ,  H03F2200/301 ,  H03F2200/393 ,  H03F2200/435 ,  H03F2200/441 ,  H03F2200/451 ,  H03F2200/462 ,  H03F2200/471 ,  H03F2200/477 ,  H03F2200/481 ,  H03F2200/498 ,  H03F2200/555 ,  H03F2200/75 ,  H03F2200/78 ,  H03K5/1532

摘要： The present invention provides a control circuit (1 20) to stabilize an output power of a power amplifier (110). The control circuit (120) comprises a voltage clamping loop (1 30), a current clamping loop (140) and a loop (1 50) for reducing power variation under VSWR, where the voltage clamping loop (1 30) is used to clamp an output voltage of the power amplifier (110) within a defined voltage range, the current clamping loop (140) is used to clamp a current of the power amplifier (110) within a defined current range, and the loop (1 50) for reducing power variation under VSWR is implemented by an impedance detector (1 50) to compensate the output power under VSWR variation.

摘要翻译： 本发明提供了一种用于稳定功率放大器（110）的输出功率的控制电路（120）。 控制电路（120）包括用于减小VSWR下的功率变化的电压钳位回路（130），电流钳位回路（140）和回路（150），其中电压钳位回路（130）用于钳位 所述功率放大器（110）的输出电压在限定的电压范围内，所述电流钳位回路（140）用于钳制所述功率放大器（110）的电流在限定的电流范围内，并且所述回路（150）用于 通过阻抗检测器（150）实现VSWR下的降低功率变化以在VSWR变化下补偿输出功率。

公开(公告)号：EP3160042A1

公开(公告)日：2017-04-26

申请号：EP16194844.3

申请日：2016-10-20

申请人： NXP USA, Inc.

发明人： Zhu, Ning ,  Jones, Jeffrey K ,  Holmes, Damon G.

IPC分类号： H03F1/56 ,  H03F3/195 ,  H01L23/66

CPC分类号： H03F1/565 ,  H01L23/66 ,  H01L2223/6655 ,  H01L2224/48091 ,  H01L2224/49175 ,  H03F3/19 ,  H03F3/195 ,  H03F2200/108 ,  H03F2200/181 ,  H03F2200/216 ,  H03F2200/222 ,  H03F2200/225 ,  H03F2200/297 ,  H03F2200/301 ,  H03F2200/309 ,  H03F2200/387 ,  H03F2200/391 ,  H03F2200/402 ,  H03F2200/451 ,  H03F2200/552 ,  H03F2200/75 ,  H01L2924/00014

摘要： Embodiments of RF amplifiers and packaged RF amplifier devices each include a transistor, an impedance matching circuit, and a video bandwidth circuit. The impedance matching circuit is coupled between the transistor and an RF I/O (e.g., an input or output lead). The video bandwidth circuit is coupled between a connection node of the impedance matching circuit and a ground reference node. The video bandwidth circuit includes a plurality of components, which includes an envelope inductor and an envelope capacitor coupled in series between the connection node and the ground reference node. The video bandwidth circuit further includes a first bypass capacitor coupled in parallel across one or more of the plurality of components of the video bandwidth circuit.

摘要翻译： RF放大器和封装RF放大器器件的实施例均包括晶体管，阻抗匹配电路和视频带宽电路。 阻抗匹配电路耦合在晶体管和RF I / O（例如输入或输出引线）之间。 视频带宽电路耦合在阻抗匹配电路的连接节点和接地参考节点之间。 视频带宽电路包括多个组件，其包括串联耦合在连接节点和接地参考节点之间的包络电感器和包络电容器。 视频带宽电路进一步包括跨越视频带宽电路的多个组件中的一个或多个并行耦合的第一旁路电容器。