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    • 6. 发明授权
    • Keystone jack
    • 梯形失真
    • US08070531B1
    • 2011-12-06
    • US13118692
    • 2011-05-31
    • Ying-Ming KuChun-Chieh Chen
    • Ying-Ming KuChun-Chieh Chen
    • H01R13/625
    • H01R4/242H01R12/585H01R13/506H01R13/6461H01R24/64Y10S439/941
    • A keystone jack (10) includes a cover body (1), a lining body (2), a carrier body (3), a printed circuit board (4), a housing (5), and a flap (6). The cover body (1) includes a space (11). The space (11) includes a cruciform partition with an elongated partition plate (13) perpendicular interlaced a short partition plate (14). The lining body (2) has two edges (21). A connection part (22) is between the two edges (21). A stud (23) and a separation plate (24) are between the connection part (22) and the two edges (21). The stud (23) has a first channel (231). The separation plate (24) has a second channel. When the lining body (2) is installed in the space (11), the elongated partition plate (13) and the short partition plate (14) in the space (11) are through the first channel (231), the second channel (242), and the opening (25) to form a double-cross isolation structure. When the keystone jack (10) is used, the electricity is more stable, and the crosstalk interferences are decreasing, and the impedance is more stable, and the electronic signals are not decayed.
    • 梯形离合器插座(10)包括盖体(1),衬里体(2),载体主体(3),印刷电路板(4),壳体(5)和翼板(6)。 盖体(1)包括空间(11)。 空间(11)包括十字形隔板,该十字形隔板具有垂直交织的短隔板(14)的细长分隔板(13)。 衬里体(2)具有两个边缘(21)。 连接部分(22)在两个边缘(21)之间。 螺柱(23)和分离板(24)在连接部分(22)和两个边缘(21)之间。 螺柱(23)具有第一通道(231)。 分离板(24)具有第二通道。 当衬垫体(2)安装在空间(11)中时,空间(11)中的细长隔板(13)和短隔板(14)穿过第一通道(231),第二通道 242)和开口(25)以形成双交叉隔离结构。 当使用梯形插座(10)时,电力更稳定,串扰干扰减小,阻抗更稳定,电子信号不衰减。
    • 9. 发明授权
    • Folded multi-LSB decided resistor string digital to analog converter
    • 折叠多LSB决定电阻串数模转换器
    • US07304596B2
    • 2007-12-04
    • US11419067
    • 2006-05-18
    • Wan-Ru LinChun-Chieh ChenChin-Hung HsuNan-Ku Lu
    • Wan-Ru LinChun-Chieh ChenChin-Hung HsuNan-Ku Lu
    • H03M1/66
    • H03M1/682
    • A digital-to-analog converter includes: a resistor string; a plurality of first switches each connected between an output node and a corresponding one of first endmost, second endmost and intermediate nodes of the resistor string; a decoding unit adapted for converting a higher-order portion of a digital signal into a decoder signal used to control the first switches such that one of which is selected according to the higher-order portion to connect the corresponding one of the nodes to the output node; and first and second voltage-setting units adapted to be connected between one of first and second reference voltage sources and one of the first and second endmost nodes of the resistor string, and operable in response to a lower-order portion of the digital signal to adjust voltages at the first endmost, second endmost and intermediate nodes of the resistor string according to the lower-order portion of the digital signal.
    • 数模转换器包括:电阻串; 多个第一开关,各自连接在输出节点和电阻串的第一最终端,第二最末端和中间节点中的相应一个之间; 解码单元,适于将数字信号的高阶部分转换成用于控制第一开关的解码器信号,使得根据高阶部分选择其中的一个以将相应的一个节点连接到输出 节点; 以及第一和第二电压设定单元,其适于连接在第一参考电压源和第二参考电压源中的一个以及电阻器串的第一和第二最后一个节点中的一个之间,并且响应于数字信号的低阶部分而可操作 根据数字信号的低阶部分调整电阻串的第一最末端,第二最末端和中间节点处的电压。
    • 10. 发明申请
    • High-speed low-noise charge pump
    • 高速低噪声电荷泵
    • US20050068090A1
    • 2005-03-31
    • US10671654
    • 2003-09-29
    • Chun-Chieh ChenJyh-Fong Lin
    • Chun-Chieh ChenJyh-Fong Lin
    • H03L7/089H03L7/06
    • H03L7/0895
    • A high-speed, low-noise charge pump for use in a phase-locked loop. The charge pump is constituted by first and second cascode current mirrors, as well as first and second switching transistors. The first cascode current mirror includes a first output mirror transistor and a first output cascode transistor. The first switching transistor is interposed between the first output mirror and the first output cascode transistors. During assertion of a first control signal, the first switching transistor is turned on so a first mirror current can flow through an output node. Likewise, the second cascode current mirror includes a second output mirror transistor and a second output cascode transistor. The second switching transistor is interposed between the second output mirror and the second output cascode transistors. During assertion of a second control signal, the second switching transistor is turned on so the second mirror current can flow through the output node.
    • 用于锁相环的高速,低噪声电荷泵。 电荷泵由第一和第二共源共栅电流镜以及第一和第二开关晶体管构成。 第一共源共栅电流镜包括第一输出镜晶体管和第一输出共源共栅晶体管。 第一开关晶体管插在第一输出反射镜和第一输出共源共栅晶体管之间。 在断言第一控制信号期间,第一开关晶体管导通,使得第一反射镜电流可以流过输出节点。 类似地,第二共源共栅电流镜包括第二输出镜晶体管和第二输出共源共栅晶体管。 第二开关晶体管插在第二输出反射镜和第二输出共源共栅晶体管之间。 在断言第二控制信号期间,第二开关晶体管导通,使得第二反射镜电流可以流过输出节点。