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    KR20210033090A - Microwave amplification circuit
    1.
    发明专利
    KR20210033090A - Microwave amplification circuit 审中-公开

    公开(公告)号：KR20210033090A

    公开(公告)日：2021-03-26

    申请号：KR1020190113984A

    申请日：2019-09-17

    Applicant: 한국전자통신연구원

    Inventor： 장우진 ,  김성일 ,  이상흥 ,  이종민

    IPC: H03F1/56 ,  H03F1/12 ,  H03F3/193

    CPC classification number: H03F1/56 ,  H03F1/565 ,  H03F1/12 ,  H03F3/19 ,  H03F3/193 ,  H03G3/3036 ,  H03F2200/222 ,  H03F2200/387 ,  H03F2200/451 ,  H03G2201/103

    Abstract: 본 발명의 실시 예에 따른 입력 신호를 증폭시키기 위한 증폭 회로는 입력 신호를 수신하도록 구성되는 입력 정합 회로 및 증폭 회로의 동작 주파수 대역 밖에서 입력 신호에 대한 이득을 감쇄시키도록 구성되는 입력 감쇄 회로를 포함하는 입력단; 입력단으로부터 제공되는 입력 신호를 증폭시키도록 구성되는 트랜지스터; 및 트랜지스터에 의해 증폭된 신호를 수신하도록 구성되는 출력 정합 회로 및 증폭 회로의 동작 주파수 대역 밖에서 입력 신호에 대한 이득을 감쇄시키도록 구성되는 출력 감쇄 회로를 포함하는 출력단을 포함하고, 입력 감쇄 회로는 접지 전압에 각각 연결된 제 1 저항 및 제 2 저항, 입력 정합 회로 및 제 2 저항 사이에 연결된 제 1 수동 소자, 그리고 제 1 수동 소자와 제 1 저항 사이에 연결된 제 2 수동 소자를 포함하고, 그리고 제 1 수동 소자는 인덕터 및 커패시터 중 하나이고 그리고 제 2 수동 소자는 인덕터 및 커패시터 중 다른 하나이다.

    Agc circuit
    3.
    发明专利
    Agc circuit 有权
    AGC电路

    公开(公告)号：JP2005295471A

    公开(公告)日：2005-10-20

    申请号：JP2004111692

    申请日：2004-04-06

    Applicant: Sony Corp ,  ソニー株式会社

    Inventor： OKASHIN YAMATO

    IPC: H03G3/20 ,  H03G1/00 ,  H03G3/30 ,  H03G7/00 ,  H04B1/06 ,  H04B1/10 ,  H04B1/16 ,  H04B7/00 ,  H04B17/40

    CPC classification number: H03G3/3068 ,  H03G1/0023 ,  H03G1/0088 ,  H03G7/001 ,  H03G2201/103 ,  H03G2201/204 ,  H03G2201/305 ,  H03G2201/307 ,  H03G2201/506

    Abstract: PROBLEM TO BE SOLVED: To realize appropriate AGC for a desired wave signal and an interference wave signal. SOLUTION: There are provided attenuator circuits 42-44 cascade-connected to a received signal SRX and differential amplifiers 51-54 to which the received signal SRX and output signals of the attenuator circuits 42-44 are supplied, respectively. There are also provided resistors R55, R56 connected in common to output terminals of the differential amplifiers 51-54 so as to extract level-controlled output signals and a control current generating circuit 34 for generating control currents I51-I54 of predetermined characteristics from first and second AGC voltages VAGC, VOL. The control currents I51-I54 outputted from the control current generating circuit 34 are supplied to the differential amplifiers 51-54 as their operation switching and gain control signals. A control current Im equal to the control currents I51-I54 is negatively fed back by the control current generating circuit 34. COPYRIGHT: (C)2006,JPO&NCIPI

    Abstract translation: 要解决的问题：为所需波信号和干扰波信号实现适当的AGC。 提供了分别与接收信号SRX和差分放大器51-54级联的衰减器电路42-44，差分放大器51-54分别向其提供接收信号SRX和衰减器电路42-44的输出信号。 还提供了电阻R55，R56共同连接到差分放大器51-54的输出端，以便提取电平控制的输出信号;以及控制电流产生电路34，用于产生从第一和第一预定特性的控制电流I51-154; 第二AGC电压VAGC，VOL。 从控制电流产生电路34输出的控制电流I51-I54作为其操作切换和增益控制信号被提供给差分放大器51-54。 与控制电流I51〜I54相等的控制电流Im1由控制电流产生电路34负反馈。（C）2006，JPO＆NCIPI

    High-frequency power amplifier circuit and electronic component for high-frequency power amplification
    6.
    发明专利
    High-frequency power amplifier circuit and electronic component for high-frequency power amplification 审中-公开
    用于高频功率放大的高频功率放大器电路和电子元件

    公开(公告)号：JP2006094076A

    公开(公告)日：2006-04-06

    申请号：JP2004276261

    申请日：2004-09-24

    Applicant: Renesas Technology Corp ,  株式会社ルネサステクノロジ

    Inventor： AKAMINE HITOSHI ,  TSUCHIYA MASAHIRO ,  TAKAHASHI KYOICHI ,  KOSHIO KAZUHIRO

    IPC: H03F3/193 ,  H03F3/195 ,  H03F3/24 ,  H04B1/04

    CPC classification number: H03F3/191 ,  H03F1/30 ,  H03F1/32 ,  H03G1/007 ,  H03G3/004 ,  H03G3/3047 ,  H03G2201/103 ,  H03G2201/206 ,  H03G2201/307 ,  H03G2201/40

    Abstract: PROBLEM TO BE SOLVED: To enable preventing distortion of a waveform by applying a sufficient idle current to a transistor for amplification in the vicinity of the maximum level of an output power, and to enable improving power efficiency in a region where the output power is low, in a high-frequency power amplifier circuit for giving a bias to the transistor for amplification by a current mirror system.
    SOLUTION: A detection circuit (240) is provided which consists of a detection transistor (Q1) having a control terminal receiving the AC component of the input signal of the amplification transistor (213) of the final stage, current mirror circuits (Q2, Q3) for transferring a current flowing to the transistor, and a current-voltage converting means (Q4) for converting a current of the transfer side of the current mirror circuits into a voltage. A voltage from a bias circuit (230) for generating the bias voltage of the amplification transistor is applied to the control terminal of the detection transistor of the detection circuit, and the output of the detection circuit is applied to the control terminal of the amplification transistor of the final stage.
    COPYRIGHT: (C)2006,JPO&NCIPI

    Abstract translation: 解决的问题：为了通过在输出功率的最大电平附近对用于放大的晶体管施加足够的空闲电流来防止波形失真，并且能够提高输出的区域中的功率效率 功率较低，在用于通过电流镜系统给晶体管施加放大的偏置的高频功率放大器电路中。 解决方案：提供一种检测电路（240），其包括检测晶体管（Q1），该检测晶体管（Q1）具有接收最终级放大晶体管（213）的输入信号的AC分量的控制端，电流镜电路 Q2，Q3），以及用于将电流镜电路的转印侧的电流转换为电压的电流 - 电压转换装置（Q4）。 来自用于产生放大晶体管的偏置电压的偏置电路（230）的电压被施加到检测电路的检测晶体管的控制端，并且检测电路的输出被施加到放大晶体管的控制端 的最后阶段。 版权所有（C）2006，JPO＆NCIPI

    増幅装置
    9.
    发明专利
    増幅装置 有权

    公开(公告)号：JPWO2003103137A1

    公开(公告)日：2005-10-06

    申请号：JP2004510108

    申请日：2002-05-31

    Applicant: 富士通株式会社

    Inventor： 聡 丸山 ,  聡 丸山

    IPC: H03F1/32 ,  H03F1/52 ,  H03F3/21 ,  H03G1/00 ,  H03G3/20 ,  H03G3/30 ,  H04K1/02

    CPC classification number: H03F1/3241 ,  H03F1/3247 ,  H03F1/52 ,  H03F3/211 ,  H03G1/0088 ,  H03G3/3042 ,  H03G2201/103 ,  H03G2201/206 ,  H03G2201/307 ,  H03G2201/504

    Abstract: 本発明は,共通に入力信号が入力され,それぞれから増幅された信号を出力する2つの増幅器と,2つの増幅器の出力信号を合成して出力する合成器とを有する増幅装置であって,過渡状態における増幅器の出力信号の歪成分を抑制する増幅装置を提供する。この増幅装置は,合成器の出力信号に基づいで歪補償成分を求め,求めた歪補償成分に基づいて増幅器の入力信号に歪補償を行う前置歪補償部と,2つの増幅器の双方の作動状態からいずれか一方の作動状態に移行する際,いずれか一方の作動状態から双方の作動状態に移行する際,いずれか一方の増幅器が除去される際,または,除去されたいずれか一方の増幅器が取り付けられる際に,利得を定常値よりも下げて前記入力信号を定常時よりも減衰させる利得制御部とを有する。

    Transmission power controller
    10.
    发明专利
    Transmission power controller 有权
    变速箱功率控制器

    公开(公告)号：JP2005229274A

    公开(公告)日：2005-08-25

    申请号：JP2004035027

    申请日：2004-02-12

    Applicant: Matsushita Electric Ind Co Ltd ,  松下電器産業株式会社

    Inventor： MATSUMOTO HIDENORI

    IPC: H03F3/24 ,  H03G3/20 ,  H03G3/30 ,  H04B1/04 ,  H04B7/26

    CPC classification number: H03G1/0088 ,  H03G3/3042 ,  H03G2201/103 ,  H03G2201/506 ,  H03G2201/702 ,  H03G2201/708 ,  H04B2001/0416

    Abstract: PROBLEM TO BE SOLVED: To provide a transmission power controller performing high precision transmission power control over a wide dynamic range while decreasing the number of steps required for regulating a transmission power controller.
    SOLUTION: The transmission power controller comprises a first variable amplification circuit 122 having resolution of 1 dB and a second variable amplification circuit 123 having resolution of 0.1 dB, a section 106 calculating a correction value for compensating degradation of transmission power accuracy due to environmental variation of frequency characteristics and temperature characteristics, and a correction value for compensating transmission power error, a section 107 for calculating a specified transmission power being outputted to a communication partner corrected based on a received signal, and first and second set value calculating sections 108 and 109 for calculating gain values being set in the first and second variable amplification circuits 122 and 123 based on the corrected transmission power.
    COPYRIGHT: (C)2005,JPO&NCIPI

    Abstract translation: 要解决的问题：提供一种在宽动态范围内执行高精度发送功率控制的发送功率控制器，同时减少调节发送功率控制器所需的步数。 解决方案：发射功率控制器包括分辨率为1dB的第一可变放大电路122和分辨率为0.1dB的第二可变放大电路123，计算用于补偿由于 频率特性和温度特性的环境变化以及用于补偿发射功率误差的校正值，用于计算输出到基于接收信号校正的通信对象的规定发射功率的部分107以及第一和第二设定值计算部分108 以及109，用于基于校正的发送功率计算在第一和第二可变放大电路122和123中设置的增益值。 版权所有（C）2005，JPO＆NCIPI

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