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    • 47. 发明申请
    • DEVICE FOR NEGATIVE GROUP DELAY
    • 负组延迟的设备
    • WO2014029412A1
    • 2014-02-27
    • PCT/EP2012/065438
    • 2012-08-07
    • TELEFONAKTIEBOLAGET L M ERICSSON (publ)BAO, MingquanSU, Yu
    • BAO, MingquanSU, Yu
    • H03F3/193H03F3/60H04B1/04H04L27/36H03F1/22
    • H03H11/26H01P1/38H01P5/12H03F1/22H03F3/193H03F3/601H03F3/608H03F2200/108H03F2200/181H03H5/12H03H7/32H03H11/04
    • 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).
    • 包括负组延迟组件(205,600,100)的负组延迟电路(200,300)还包括具有三个端口(206,207,250)的循环器(220,320),还包括第一谐振器 230),其中负组延迟分量(205)布置在负组延迟电路(200,300)的输入端口(210)和循环器(220,320)中的第一端口(206)之间。 第一谐振器(230)布置在循环器(220,320)的第二端口(207)和第一反射放大器(240)之间,使得从第一反射放大器(240)反射到第二端口(207)的信号 )通过第一谐振器(230)的循环器(220; 320)在循环器(220; 320)的第三端口(250)处被发射。 第三端口布置成用作负组延迟电路(200,300)的输出端口。