DEVICE FOR NEGATIVE GROUP DELAY
    4.
    发明公开
    DEVICE FOR NEGATIVE GROUP DELAY 有权
    DEVICE负群延迟

    公开(公告)号:EP2883306A1

    公开(公告)日:2015-06-17

    申请号:EP12750352.2

    申请日:2012-08-07

    发明人: BAO, Mingquan SU, Yu

    摘要: A negative group delay circuit (200, 300) comprising a negative group delay component (205, 600, 100), also comprising a circulator (220, 320) with three ports (206, 207, 250), further comprising a first resonator (230), with the negative group delay component (205) arranged between an input port (210) of the negative group delay circuit (200, 300) and a first port (206) in the circulator (220, 320). The first resonator (230) is arranged between a second port (207) of the circulator (220, 320) and a first reflection amplifier (240), so that signals reflected from the first reflection amplifier (240) to the second port (207) of the circulator (220; 320) through the first resonator (230) are emitted at the third port (250) of the circulator (220; 320). The third port is arranged to be used as an output port of the negative group delay circuit (200, 300).

    HIGH OUTPUT POWER AMPLIFIER
    6.
    发明公开
    HIGH OUTPUT POWER AMPLIFIER 审中-公开
    LEISTUNGSVERSTÄRKER麻省理工学院HOHEM DURCHSATZ

    公开(公告)号:EP2793394A1

    公开(公告)日:2014-10-22

    申请号:EP12858137.8

    申请日:2012-11-09

    IPC分类号: H03F1/52 H03F3/24

    摘要: A high-output electric power amplifier using a depression-type FET includes a drain voltage supply portion 120, 220, and 320 adapted to create a positive voltage to be applied to a drain terminal in the depression-type FET, and a gate bias voltage supply portion 130, 230, and 330 adapted to create a negative voltage to be applied to a gate terminal in the depression-type FET, wherein the drain voltage supply portion uses an external commercial power supply as an electric power source, and the gate bias voltage supply portion uses a battery as an electric power source, in order to certainly prevent breakdowns of the FET due to excessive electric currents.

    摘要翻译: 使用按压式FET的高输出功率放大器包括:漏极电压供给部120,220,320,其适于产生施加到该凹陷型FET中的漏极端子的正电压,以及栅极偏置电压 供给部分130,230和330,其适于产生要施加到凹陷型FET中的栅极端子的负电压,其中漏极电压提供部分使用外部商用电源作为电源,并且栅极偏置 电压供给部使用电池作为电源,以便可靠地防止由于过大的电流导致的FET的故障。