Amplifier circuit and operating method thereof
    1.
    发明授权
    Amplifier circuit and operating method thereof 有权
    放大器电路及其操作方法

    公开(公告)号:US08917145B2

    公开(公告)日:2014-12-23

    申请号:US13452605

    申请日:2012-04-20

    IPC分类号: H03F3/191

    摘要: There is provided an amplifier circuit. The amplifier circuit includes an amplifying unit including at least one transistor; at least one first bias circuit unit including a resistor and connected to the at least one transistor; and at least one second bias circuit unit connected between an input terminal to which an input signal is applied and the at least one transistor so as to block an input signal having a frequency higher than a first frequency or having a frequency lower than a second frequency. The amplifier circuit according to embodiment of the present invention may prevent thermal runaway, remove a harmonic component from an input signal to be amplified and suppress oscillations.

    摘要翻译: 提供了放大器电路。 该放大器电路包括一个包括至少一个晶体管的放大单元; 至少一个第一偏置电路单元,包括电阻并连接到所述至少一个晶体管; 以及至少一个第二偏置电路单元,连接在施加输入信号的输入端和所述至少一个晶体管之间,以便阻挡具有高于第一频率或具有低于第二频率的频率的频率的输入信号 。 根据本发明的实施例的放大器电路可以防止热失控,从要放大的输入信号中去除谐波分量并抑制振荡。

    AMPLIFIER CIRCUIT AND OPERATING METHOD THEREOF
    3.
    发明申请
    AMPLIFIER CIRCUIT AND OPERATING METHOD THEREOF 有权
    放大器电路及其工作方法

    公开(公告)号:US20130207728A1

    公开(公告)日:2013-08-15

    申请号:US13452605

    申请日:2012-04-20

    IPC分类号: H03F3/04

    摘要: There is provided an amplifier circuit. The amplifier circuit includes an amplifying unit including at least one transistor; at least one first bias circuit unit including a resistor and connected to the at least one transistor; and at least one second bias circuit unit connected between an input terminal to which an input signal is applied and the at least one transistor so as to block an input signal having a frequency higher than a first frequency or having a frequency lower than a second frequency. The amplifier circuit according to embodiment of the present invention may prevent thermal runaway, remove a harmonic component from an input signal to be amplified and suppress oscillations.

    摘要翻译: 提供了放大器电路。 该放大器电路包括一个包括至少一个晶体管的放大单元; 至少一个第一偏置电路单元,包括电阻并连接到所述至少一个晶体管; 以及至少一个第二偏置电路单元,其连接在施加输入信号的输入端与所述至少一个晶体管之间,以便阻挡具有高于第一频率的频率或具有低于第二频率的频率的输入信号 。 根据本发明的实施例的放大器电路可以防止热失控,从要放大的输入信号中去除谐波分量并抑制振荡。

    TRANSFORMER AND CMOS POWER AMPLIFIER INCLUDING THE SAME
    4.
    发明申请
    TRANSFORMER AND CMOS POWER AMPLIFIER INCLUDING THE SAME 有权
    变压器和CMOS功率放大器,包括它们

    公开(公告)号:US20120319779A1

    公开(公告)日:2012-12-20

    申请号:US13480394

    申请日:2012-05-24

    IPC分类号: H03F3/21 H01F27/28

    摘要: Disclosed herein is a transformer including: a primary coil formed of a first conductor having a predetermined length and including a first end and second end for receiving a signal, wherein the first conductor is formed as a first loop; and a secondary coil that is coupled to the primary coil in an electromagnetic coupling, and is formed of a second conductor having a predetermined length and including a first end and a second end for outputting a signal, wherein the second conductor is formed as a second loop, wherein the primary coil and the secondary coil are stacked while crossing each other. Accordingly, power transformer efficiency may be increased.

    摘要翻译: 本文公开了一种变压器,包括:初级线圈,其由具有预定长度的第一导体形成,并且包括用于接收信号的第一端和第二端,其中所述第一导体形成为第一环; 以及次级线圈,其以电磁耦合耦合到所述初级线圈,并且由具有预定长度的第二导体形成,并且包括用于输出信号的第一端和第二端,其中所述第二导体形成为第二导体 其中初级线圈和次级线圈彼此交叉堆叠。 因此,可以提高电力变压器效率。

    Multi-stage CMOS power amplifier
    5.
    发明授权
    Multi-stage CMOS power amplifier 有权
    多级CMOS功率放大器

    公开(公告)号:US08022762B2

    公开(公告)日:2011-09-20

    申请号:US12823420

    申请日:2010-06-25

    IPC分类号: H03F1/00

    摘要: There is provided a multi-stage CMOS power amplifier including: a driver amplifier having differential output terminals, inverting differential signals input through first and second input terminals and outputting the respective inverted signals through the differential output terminals; a transformer for power matching having a primary coil connected between the differential output terminals of the driver amplifier and a secondary coil coupled with the primary coil using electromagnetic induction, having a predetermined turns ratio to the primary coil, and connected to a direct current (DC) tuning voltage terminal; and a power amplifier power-amplifying differential signals passing through one end and the other end of the secondary coil of the transformer and outputting the respective power-amplified differential signals through first and second output terminals.

    摘要翻译: 提供了一种多级CMOS功率放大器,包括:具有差分输出端的驱动放大器,通过第一和第二输入端输入的差分信号反相,并通过差分输出端输出各反相信号; 一种用于功率匹配的变压器,其具有连接在所述驱动放大器的差分输出端子之间的初级线圈和使用电磁感应耦合到所述初级线圈的次级线圈,所述次级线圈具有与所述初级线圈的预定匝数比,并且连接到直流 )调谐电压端子; 以及功率放大器功率放大差分信号,其通过变压器的次级线圈的一端和另一端,并通过第一和第二输出端输出相应的功率放大差分信号。

    Power amplifier
    6.
    发明授权
    Power amplifier 失效
    功率放大器

    公开(公告)号:US08242846B2

    公开(公告)日:2012-08-14

    申请号:US13012295

    申请日:2011-01-24

    IPC分类号: H03F3/68

    CPC分类号: H03F1/22 H03F3/68

    摘要: There is provided a power amplifier capable of improving harmonics characteristics of an output signal of an amplifier circuit by compensating a phase of the output signal. A power amplifier according to an aspect of the invention may include: an amplification section having a plurality of amplification units each amplifying a radio frequency (RF) signal according to a gain being controlled; a phase correction section performing phase correction by removing harmonic components of respective output signals from the plurality of amplification units of the amplification section; and a coupling section coupling the respective output signals phase-corrected by the phase correction section.

    摘要翻译: 提供了能够通过补偿输出信号的相位来改善放大器电路的输出信号的谐波特性的功率放大器。 根据本发明的一个方面的功率放大器可以包括:放大部分,具有多个放大单元,每个放大单元根据被控制的增益放大射频(RF)信号; 相位校正部,通过从放大部的多个放大部除去各输出信号的谐波分量来进行相位校正; 以及耦合部分,其耦合由相位校正部分相位校正的各个输出信号。

    Transformer capable of removing harmonic components
    7.
    发明授权
    Transformer capable of removing harmonic components 有权
    变压器能够去除谐波成分

    公开(公告)号:US08203399B2

    公开(公告)日:2012-06-19

    申请号:US12504196

    申请日:2009-07-16

    IPC分类号: H03H7/01

    摘要: A transformer includes at least one input conductive line having both ends provided as input ports of a positive (+) signal and a negative (−) signal, respectively, one output conductive line disposed adjacent to the at least one input conductive line to be electromagnetically coupled to the at least one input conductive line, and having a first end connected to a ground, a first resonator disposed between a second end of the output conductive line and the ground, a second resonator having a first end connected to the second end of the output conductive line and a second end provided as an output port, and a third resonator connected in series between the first end of the output conductive line and the ground.

    摘要翻译: 变压器包括至少一个输入导线,其两端分别被提供为正(+)信号和负( - )信号的输入端,一个输出导线与所述至少一个输入导线邻近设置成电磁地 耦合到所述至少一个输入导线,并且具有连接到地的第一端,设置在所述输出导线的第二端和所述地之间的第一谐振器,第二谐振器,其第一端连接到所述第二端 输出导线和设置为输出端口的第二端,以及串联连接在输出导线的第一端和地之间的第三谐振器。

    POWER AMPLIFIER
    8.
    发明申请
    POWER AMPLIFIER 失效
    功率放大器

    公开(公告)号:US20110215865A1

    公开(公告)日:2011-09-08

    申请号:US12770625

    申请日:2010-04-29

    IPC分类号: H03F3/68

    CPC分类号: H03F3/68

    摘要: Disclosed herein is a power amplifier. The power amplifier includes N power amplification means, a transformer, and a harmonic elimination unit. Each of the N power amplification means amplifies an input signal into a predetermined level. The transformer includes N/2 primary windings respectively connected to the output terminals of the power amplification means and a secondary winding configured such that coil elements are connected in series between an output terminal and a ground, and sums power transmitted from the primary windings. The harmonic elimination unit is disposed across both ends of the secondary winding of the transformer, and eliminates the output of the harmonic frequencies of a preset frequency.

    摘要翻译: 这里公开了功率放大器。 功率放大器包括N个功率放大装置,变压器和谐波消除单元。 N个功率放大装置中的每一个将输入信号放大到预定水平。 变压器包括分别连接到功率放大装置的输出端子的N / 2个初级绕组和被配置为使得线圈元件串联连接在输出端子和地之间的次级绕组,并且对从初级绕组传递的功率求和。 谐波消除单元设置在变压器的次级绕组的两端,并且消除了预设频率的谐波频率的输出。

    Power amplifier system with power control function
    9.
    发明授权
    Power amplifier system with power control function 失效
    功率放大器系统具有电源控制功能

    公开(公告)号:US08008974B2

    公开(公告)日:2011-08-30

    申请号:US12618111

    申请日:2009-11-13

    IPC分类号: H03G3/30

    摘要: A power amplifier system with power control function provides accurate and efficient power control by controlling a bias voltage and a bias current of the power amplifier at the same time. A power amplifier system with power control function according to an aspect of the invention may include: a power amplifier receiving a bias voltage and a bias current from a power voltage source and having a gain controlled according to the magnitude of the bias voltage and the bias current; a voltage detection controller detecting the magnitude of the bias voltage being supplied to the power amplifier and comparing the magnitude of the bias voltage with a predetermined reference voltage to control the magnitude of the bias voltage; and a current detection controller detecting voltage having a magnitude equivalent to the magnitude of the bias current being supplied to the power amplifier and comparing the magnitude of the voltage equivalent to the magnitude of the bias current with the reference voltage to control the magnitude of the bias current.

    摘要翻译: 具有功率控制功能的功率放大器系统通过同时控制功率放大器的偏置电压和偏置电流来提供精确和高效的功率控制。 具有根据本发明的一个方面的具有功率控制功能的功率放大器系统可以包括:功率放大器,其从电源电压源接收偏置电压和偏置电流,并且具有根据偏置电压和偏置的幅度控制的增益 当前; 电压检测控制器检测提供给功率放大器的偏置电压的大小,并将偏置电压的大小与预定的参考电压进行比较,以控制偏置电压的大小; 以及电流检测控制器,检测具有等于提供给功率放大器的偏置电流的幅度的电压的电压,并将与偏置电流的大小等效的电压的大小与参考电压进行比较,以控制偏置的幅度 当前。

    Transformer
    10.
    发明授权
    Transformer 有权
    变压器

    公开(公告)号:US07675397B2

    公开(公告)日:2010-03-09

    申请号:US12100325

    申请日:2008-04-09

    IPC分类号: H01F5/00 H01F27/29 H01F27/28

    CPC分类号: H01F19/04 H01F27/2804

    摘要: A transformer includes: a multilayer board; one or more input conductive lines formed on the multilayer board, whose both ends connected to input terminals of a positive signal and a negative signal, respectively; one output conductive line formed adjacent to the one or more input conductive lines to form an electromagnetic coupling with the one or more input conductive lines, whose one end is connected to an output terminal and another end is connected to a ground; a power supply pad formed in an area of the one or more input conductive lines; and a harmonics remover formed between the one end and the another end of the output conductive line to remove harmonics components of a signal outputted from the output conductive line.

    摘要翻译: 变压器包括:多层板; 形成在多层基板上的一个或多个输入导线,其两端分别连接到正信号和负信号的输入端; 一个输出导线与所述一个或多个输入导线相邻地形成以与所述一个或多个输入导线形成电磁耦合,所述一个或多个输入导线的一端连接到输出端,另一端连接到地; 电源焊盘,形成在所述一个或多个输入导线的区域中; 以及形成在输出导线的一端和另一端之间的谐波去除器,以去除从输出导线输出的信号的谐波分量。