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    • 6. 发明申请
    • PRINTED CIRCUIT BOARD
    • 印刷电路板
    • US20110094786A1
    • 2011-04-28
    • US12646888
    • 2009-12-23
    • CHIEN-HUNG LIUSHOU-KUO HSUYU-CHANG PAIPO-CHUAN HSIEH
    • CHIEN-HUNG LIUSHOU-KUO HSUYU-CHANG PAIPO-CHUAN HSIEH
    • H05K1/11
    • H05K1/0251H05K1/0222H05K3/429H05K2201/09309H05K2201/09636
    • A printed circuit board includes a number of signal layers, a number of ground layers, a first transmission line, a second transmission line, a first via, and a second via. The first transmission is located on one of the number of signal layers. The second transmission line is located on another of the number of signal layers. The first and second vias pass through the printed circuit board. The first via is electrically coupled to the first and second transmission lines, and is isolated from the number of ground layers. The second via is electrically coupled to one or more of the number of ground layers, and is isolated from the other of the number of ground layers to increase an inductance, thus compensating capacitive nature of an open stub and improving signal integrity.
    • 印刷电路板包括多个信号层,多个接地层,第一传输线,第二传输线,第一通孔和第二通孔。 第一个传输位于多个信号层之一上。 第二传输线位于多个信号层的另一个上。 第一和第二通孔穿过印刷电路板。 第一通孔电耦合到第一和第二传输线,并且与接地层的数量隔离。 第二通孔电耦合到多个接地层中的一个或多个,并与多个接地层中的另一个隔离,以增加电感,从而补偿开路短路的电容特性并提高信号完整性。
    • 9. 发明申请
    • SIGNAL TRANSMISSION APPARATUS
    • 信号传输装置
    • US20110025434A1
    • 2011-02-03
    • US12620558
    • 2009-11-17
    • PO-CHUAN HSIEHYU-CHANG PAISHOU-KUO HSU
    • PO-CHUAN HSIEHYU-CHANG PAISHOU-KUO HSU
    • H01P1/203H01P3/08
    • H01P1/2039H01P3/085
    • A signal transmission apparatus includes two circuit layers. First and second ground sheets each has a rectangular area are arranged in the two circuit layers respectively. A third ground sheet is arranged between the two circuit layers. A differential pair includes a transmission line arranged between the first and third ground sheets and a transmission line arranged between the second and third ground sheets. The first to third ground sheets have same electric potential. Projections of the two rectangular areas on a surface where the third ground sheet in only have one common border with the third ground sheet. The third ground sheet is formed by extending the common border along a signal transmission direction. The differential pair includes a number of section pairs each composed of two sections arranged in the two transmission lines symmetrically. Every two adjacent section pairs are equivalent to a capacitor and an inductor.
    • 信号传输装置包括两个电路层。 分别在两个电路层中布置有具有矩形区域的第一和第二接地片。 第三接地片布置在两个电路层之间。 差动对包括布置在第一和第三接地片之间的传输线和布置在第二和第三接地片之间的传输线。 第一至第三接地片具有相同的电位。 在第三接地片与第三接地片只有一个共同边界的表面上的两个矩形区域的投影。 第三接地片通过沿着信号传输方向延伸公共边界而形成。 差分对包括多个部分对,每个部分对由两个对称布置在两个传输线中的部分组成。 每两个相邻的部分对相当于一个电容和一个电感。
    • 10. 发明申请
    • SIGNAL TRANSMISSION APPARATUS
    • 信号传输装置
    • US20100328181A1
    • 2010-12-30
    • US12620559
    • 2009-11-17
    • PO-CHUAN HSIEHHSIAO-YUN SUYU-CHANG PAISHOU-KUO HSU
    • PO-CHUAN HSIEHHSIAO-YUN SUYU-CHANG PAISHOU-KUO HSU
    • H01Q1/48H01Q1/38
    • H01Q13/08
    • A signal transmission apparatus includes two circuit layers. First and second ground sheets are arranged in the two circuit layers respectively. A third ground sheet is arranged between the two circuit layers. A differential pair includes a transmission line arranged between the first and third ground sheets and a transmission line arranged between the second and third ground sheets. The first to third ground sheets have same electric potential. Projections of the first and second ground sheets on the third ground sheet superpose a border of the third ground sheet. The third ground sheet is formed by extending the border along a signal transmission direction. A vertical distance between the first and second transmission lines is twice as each of a vertical distance from the first ground sheet to the first transmission line and a vertical distance from the second ground sheet to the second transmission line
    • 信号传输装置包括两个电路层。 第一和第二接地片分别布置在两个电路层中。 第三接地片布置在两个电路层之间。 差动对包括布置在第一和第三接地片之间的传输线和布置在第二和第三接地片之间的传输线。 第一至第三接地片具有相同的电位。 第三接地片上的第一和第二接地片的投影叠加第三接地片的边界。 第三接地片是沿着信号传输方向延伸边界而形成的。 第一和第二传输线之间的垂直距离是从第一接地片到第一传输线的垂直距离和从第二接地片到第二传输线的垂直距离的两倍