High-frequency power amplifier
    3.
    发明专利
    High-frequency power amplifier 审中-公开
    高频功率放大器

    公开(公告)号:JP2011055241A

    公开(公告)日:2011-03-17

    申请号:JP2009202098

    申请日:2009-09-01

    Abstract: PROBLEM TO BE SOLVED: To provide a high-frequency power amplifier which performs multi-band operation and multi-mode operation in each band, and has high isolation.
    SOLUTION: The high-frequency power amplifier includes: a power amplifier AMP1 which linearly amplifies a first high-frequency signal of a first frequency band; a power amplifier AMP2 which linearly amplifies a second high-frequency signal of a second frequency band lower than the first frequency band; a power amplifier AMP3 which nonlinearly amplifies a third high-frequency signal of the first frequency band; and a power amplifier AMP4 which nonlinearly amplifies a fourth high-frequency signal of the second frequency band, wherein input lines of the respective power amplifiers AMP1 to AMP4 do not cross each other on semiconductor substrates 120 and 130, and the output lines of the respective power amplifiers AMP1 to AMP4 do not cross each other on the semiconductor substrates 120 and 130.
    COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 要解决的问题:提供一种在每个频带中执行多频带操作和多模式操作的高频功率放大器,并且具有高隔离度。 解决方案:高频功率放大器包括:功率放大器AMP1,其对第一频带的第一高频信号进行线性放大; 功率放大器AMP2,其线性放大比第一频带低的第二频带的第二高频信号; 功率放大器AMP3,其非线性地放大第一频带的第三高频信号; 以及功率放大器AMP4,其非线性地放大第二频带的第四高频信号,其中各个功率放大器AMP1至AMP4的输入线在半导体基板120和130上彼此不相交,并且各自的输出线 功率放大器AMP1至AMP4在半导体衬底120和130上不互相交叉。版权所有(C)2011,JPO&INPIT

    Photoelectric converter
    4.
    发明专利
    Photoelectric converter 审中-公开
    光电转换器

    公开(公告)号:JP2008211591A

    公开(公告)日:2008-09-11

    申请号:JP2007047142

    申请日:2007-02-27

    CPC classification number: H03F3/087 H03F2200/249 H03F2200/421

    Abstract: PROBLEM TO BE SOLVED: To provide a photoelectric converter which corrects an optical signal at high precision and is made easy to respond to speed acceleration.
    SOLUTION: The photoelectric converter is provided with: an optical signal common output line 10 which is commonly connected to all photoelectric conversion units 30, outputs each amplification optical signal from each photoelectric conversion unit 30 in time series and has a first parasitic capacity 31; an initial voltage common output line 11 which is commonly connected to all the photoelectric conversion unit 30, outputs each amplification initial voltage from each photoelectric conversion unit 30 in time series and has a second parasitic capacity 32 and a capacity group 20 which is connected to the optical signal common output line 10 or the initial voltage common output lien 11 and has a capacity value approximately equal to a differential capacity value between the first parasitic capacity 31 and the second parasitic capacity 32.
    COPYRIGHT: (C)2008,JPO&INPIT

    Abstract translation: 要解决的问题:提供一种高精度校正光信号并且容易响应于速度加速度的光电转换器。 光电转换器设置有:与所有光电转换单元30共同连接的光信号公共输出线10,以时间序列输出来自各光电转换单元30的各放大光信号,并具有第一寄生电容 31; 共同连接到所有光电转换单元30的初始电压公共输出线11以时间序列输出来自每个光电转换单元30的每个放大初始电压,并且具有第二寄生电容32和连接到光电转换单元30的容量组20。 光信号公共输出线10或初始电压公共输出连线11,并且具有大致等于第一寄生电容31和第二寄生电容32之间的差分电容值的电容值。版权所有(C)2008,JPO&INPIT

    Sampling receiver
    9.
    发明专利
    Sampling receiver 审中-公开
    采样接收器

    公开(公告)号:JP2009100237A

    公开(公告)日:2009-05-07

    申请号:JP2007269592

    申请日:2007-10-17

    Abstract: PROBLEM TO BE SOLVED: To solve the problem that load fluctuation is caused in an amplifier circuit by a switching operation of high frequency switches serially connected at a rear stage of the amplifier circuit, and reduction of gain is caused by mismatching of matching in a band by direct connection between the amplifier circuit and the high frequency signal. SOLUTION: The sampling receiver is constituted of resistors 11, 12 connected to an input terminal P1 for inputting high frequency signals and the amplifier circuit 10 whose wiring is distributed by output of the amplifier circuit 10, and serially connected to its rear stage, wherein an RC filter 13 is connected between the resistors 11, 12 and the high frequency switches 16, 17 in parallel, and constituted of a resistor 14 and a capacitor 15. Input terminals P2, P3 for inputting the high frequency signals are connected to gates of the high frequency switches 16, 17. In addition, capacitors 18, 19 are connected in parallel in the high frequency switches 16, 17 and their rear stages, a switched capacitor circuit is formed, and connected to output terminals P4 and P5. COPYRIGHT: (C)2009,JPO&INPIT

    Abstract translation: 解决问题:为了解决通过在放大器电路的后级串联连接的高频开关的开关动作在放大器电路中引起负载波动的问题,并且增益的减小是由匹配失配引起的 通过放大器电路和高频信号之间的直接连接在一个频带内。 解决方案:采样接收器由连接到用于输入高频信号的输入端子P1的电阻器11,12和放大器电路10构成,放大器电路10的布线由放大器电路10的输出分配,并且串联连接到其后级 其中RC滤波器13并联连接在电阻器11,12和高频开关16,17之间,由电阻器14和电容器15构成。用于输入高频信号的输入端子P2,P3连接到 高频开关16,17的栅极。此外,电容器18,19并联连接在高频开关16,17及其后级中,形成开关电容器电路,并连接到输出端子P4和P5。 版权所有(C)2009,JPO&INPIT

    平衡出力回路及びそれを用いた電子機器

    公开(公告)号:JPWO2006025417A1

    公开(公告)日:2008-05-08

    申请号:JP2006532740

    申请日:2005-08-24

    Abstract: 入力信号を第1出力信号とすると共に、入力信号と比較電圧とが入力される反転増幅回路で入力信号に応じた電圧を反転増幅して第2出力信号とする。そして、第1出力信号と第2出力信号とを比較して、第2出力信号の直流電圧が、第1出力信号の直流電圧に等しくなるように、コンデンサを充電して比較電圧を制御する。これにより、第1出力信号(非反転出力信号)と第2出力信号(反転出力信号)間の直流オフセット電圧を、簡易な回路で確実にキャンセルする。

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