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    • 3. 发明授权
    • Printed circuit board able to suppress simultaneous switching noise
    • 印刷电路板能够抑制同时开关噪声
    • US07530043B2
    • 2009-05-05
    • US11563158
    • 2006-11-25
    • Shou-Kuo HsuCheng-Hong Liu
    • Shou-Kuo HsuCheng-Hong Liu
    • G06F17/50H05K7/08H05K1/11
    • H05K1/0216H05K2201/093H05K2201/09309H05K2201/09345H05K2201/09663
    • A printed circuit board includes a first layer including a first power portion and a first ground portion isolated from each other, and a second layer including a second power portion and a second ground portion isolated from each other. The second layer is spaced from the first layer. The second ground portion is arranged below the first power portion. The second power portion is arranged below the first ground portion. One portion of the first power portion overlaps one portion of the second power portion, and one portion of the first ground portion overlaps one portion of the second ground portion to provide a zero-intensity electric field between the first layer and the second layer. The first power portion is coupled to the second power portion via a first via. The first ground portion is coupled to the second ground portion via a second via.
    • 印刷电路板包括第一层,第一层包括彼此隔离的第一电力部分和第一接地部分,以及包括彼此隔离的第二电力部分和第二接地部分的第二层。 第二层与第一层间隔开。 第二接地部分布置在第一电力部分的下方。 第二动力部分布置在第一接地部分的下方。 第一功率部分的一部分与第二功率部分的一部分重叠,并且第一接地部分的一部分与第二接地部分的一部分重叠,以在第一层和第二层之间提供零强度电场。 第一功率部分经由第一通孔耦合到第二功率部分。 第一接地部分经由第二通孔耦合到第二接地部分。
    • 5. 发明授权
    • Printed circuit board
    • 印刷电路板
    • US07492234B2
    • 2009-02-17
    • US11309638
    • 2006-09-01
    • Shou-Kuo HsuCheng-Hong Liu
    • Shou-Kuo HsuCheng-Hong Liu
    • H03H7/38
    • H05K1/0219H05K1/0237H05K2201/09236H05K2201/09618
    • A printed circuit board (PCB) includes at least one signal layer, a ground layer, at least two signal lines, and at least one grounded line. The signal lines are arranged on the signal layer for transmitting signals. The grounded line is arranged on the signal layer and between the signal lines. A plurality of vias are defined in the grounded line, and the vias are connected to the ground layer. A distance between each two adjacent vias is so arranged that a resonant frequency of an electromagnetic wave transmitted on the grounded line must greater than a highest frequency of the signals transmitted on the signal lines. A related method for designing the PCB is also provided.
    • 印刷电路板(PCB)包括至少一个信号层,接地层,至少两条信号线和至少一条接地线。 信号线布置在用于发送信号的信号层上。 接地线设置在信号层和信号线之间。 在接地线中限定多个通孔,并且通孔连接到接地层。 每两个相邻通孔之间的距离被布置成使得在接地线路上传输的电磁波的谐振频率必须大于在信号线上传输的信号的最高频率。 还提供了一种用于设计PCB的相关方法。
    • 6. 发明申请
    • Signal transmission structure
    • 信号传输结构
    • US20060050797A1
    • 2006-03-09
    • US11220050
    • 2005-09-06
    • Shou-Kuo HsuCheng-Hong Liu
    • Shou-Kuo HsuCheng-Hong Liu
    • H04L25/00
    • H05K1/0216H04L25/028H05K1/162H05K2201/09254H05K2201/09781
    • A signal transmission structure includes a driving circuit block, a receiving circuit block, a main transmission line, and a radial patch. The main transmission line connects the driving circuit block to the receiving circuit block. The radial patch is formed between the driving circuit block and the main transmission line. The radial patch can reduce a switching rate when the signal state of the driving circuit changes rapidly. The radial patch serves as a compensation capacitor, to reduce a rate of switching of signals, and to reduce or even eliminate the problems of crosstalk and overshooting and undershooting of signals. It is of advantage that the radial patch is simple to manufacture and very suitable for mass production.
    • 信号传输结构包括驱动电路块,接收电路块,主传输线和径向贴片。 主传输线将驱动电路块连接到接收电路块。 径向贴片形成在驱动电路块和主传输线之间。 当驱动电路的信号状态快速变化时,径向贴片可以降低开关速率。 径向贴片用作补偿电容器,以降低信号的切换速率,并减少或甚至消除信号串扰和过冲和下冲的问题。 有利的是,径向贴片制造简单,非常适合批量生产。