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    • 1. 发明申请
    • A DELAY ELEMENT AND A CORRESPONDING METHOD
    • 延迟元素和相应的方法
    • WO2008064705A1
    • 2008-06-05
    • PCT/EP2006/011498
    • 2006-11-30
    • PIRELLI & C. S.P.A.TELECOM ITALIA S.P.A.GRASSANO, GiuseppeBOFFA, VincenzoGATTI, FabrizioRISI, LucaRUSCITTO, AlfredoSEMENZATO, Paolo
    • GRASSANO, GiuseppeBOFFA, VincenzoGATTI, FabrizioRISI, LucaRUSCITTO, AlfredoSEMENZATO, Paolo
    • H01P5/18H01P9/00
    • H01P5/184H01P9/00
    • A differential delay element (10) for use e.g. in selectively delaying RF signals in telecommunication systems includes a first microstrip circuit (12) and a second microstrip circuit (14) arranged side-by-side in a facing relationship. The first microstrip circuit (12) defines a first delayed travel path for a first signal from a first input port (IN1 ) to a first output port (OUT1 ) and the second microstrip circuit (14) defines a second delayed travel path for a second signal from a second input port (IN2) to a second output port (OUT2). A perturber (18) is arranged between the first (12) and second (14) microstrip circuits, displaceable (20) towards and away from the first (12) and second (14) microstrip circuits, so that when the distance of the perturber (18) to one (12 resp. 14) of the microstrip circuits increases, the distance of the perturber (18) to the other (14 resp. 12) of the microstrip circuits decreases and viceversa. The position of the perturber (18) between the first (12) and second (14) microstrip circuits defines the differential delay, namely the difference (Δτ=τ1-τ2) between the times (τ1, τ2) experienced by the two signals in travelling their travel paths through the delay device (10).
    • 一种差分延迟元件(10),用于例如 在电信系统中选择性地延迟RF信号包括以面对关系并排布置的第一微带电路(12)和第二微带电路(14)。 第一微带电路(12)限定用于从第一输入端口(IN1)到第一输出端口(OUT1)的第一信号的第一延迟行进路径,并且第二微带电路(14)限定第二延迟行进路径用于第二输入端口 信号从第二输入端口(IN2)传输到第二输出端口(OUT2)。 在第一(12)和第二(14)微带电路之间布置有一个扰流器(18),朝向和远离第一(12)和第二(14)微带电路可移位(20),使得当扰流器 (18)到微带电路之一(12或14)增加,微带电路的静音(18)到另一个(14或12)的距离减小,反之亦然。 第一(12)和第二(14)微带电路之间的谐振器(18)的位置定义差分延迟,即由两个信号经历的时间(t1,t2)之间的差值(Δt= t1-t2) 在通过延迟装置(10)行进其行进路径时。