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    • 26. 发明申请
    • CIRCUIT BOARD AND METHOD FOR MAKING THE SAME
    • 电路板及其制造方法
    • US20120314391A1
    • 2012-12-13
    • US13183452
    • 2011-07-15
    • TSUNG-SHENG HUANGCHUN-JEN CHENDUEN-YI HOWEI-CHIEH CHOU
    • TSUNG-SHENG HUANGCHUN-JEN CHENDUEN-YI HOWEI-CHIEH CHOU
    • H05K7/12H05K7/00
    • H05K1/0231H05K1/0222H05K2201/09618
    • A circuit board includes a base board defining a number of via holes, a power supply connection unit, a load connection unit, and at least one capacitor connection unit(s). Each of the at least one capacitor connection unit(s) includes two capacitor connectors, and one of the two capacitor connectors is positioned nearer to the power supply connection unit and farther away from the load connection unit than the other. The via holes are divided into at least one group(s) corresponding to each of the capacitor connection unit(s), and all of the via holes in each of the group(s) are equidistantly positioned along a semicircle arc surrounding the capacitor connector of the capacitor connection unit corresponding to the group that is positioned nearer to the power supply connection unit.
    • 电路板包括限定多个通孔的基板,电源连接单元,负载连接单元和至少一个电容器连接单元。 所述至少一个电容器连接单元中的每一个包括两个电容器连接器,并且所述两个电容器连接器中的一个位于更靠近所述电源连接单元的位置,并且远离所述负载连接单元。 通孔被分成与电容器连接单元中的每一个相对应的至少一个组,并且每个组中的所有通路孔沿着围绕电容器连接器的半圆弧等距定位 的电容器连接单元对应于位于更靠近电源连接单元的组的电容器连接单元。
    • 28. 发明申请
    • VOLTAGE REGULATION CIRCUIT
    • 电压调节电路
    • US20120176110A1
    • 2012-07-12
    • US13008037
    • 2011-01-18
    • DUEN-YI HOCHUN-JEN CHENWEI-CHIEH CHOUTSUNG-SHENG HUANG
    • DUEN-YI HOCHUN-JEN CHENWEI-CHIEH CHOUTSUNG-SHENG HUANG
    • G05F1/00
    • H02M3/156H02M2001/0009
    • A voltage regulating circuit includes a pulse width modulation controller, a current sense circuit, a voltage feedback circuit, and a gain-and-bias circuit. The current sense circuit includes an inductor and a capacitor. The voltage feedback circuit includes first and second resistors. The gain-and-bias circuit includes an operational amplifier. A first terminal of the capacitor is connected to an inverting input terminal of the operational amplifier through a third resistor. A second terminal of the capacitor is connected to a non-inverting input terminal of the operational amplifier through a fourth resistor. The inverting input terminal of the amplifier is connected to an output terminal of the operational amplifier through a fifth resistor. The non-inverting input terminal of the operational amplifier is grounded through a sixth resistor. The output terminal of the operational amplifier is connected to the node between the first and second resistors through a seventh resistor.
    • 电压调节电路包括脉宽调制控制器,电流检测电路,电压反馈电路和增益与偏置电路。 电流检测电路包括电感器和电容器。 电压反馈电路包括第一和第二电阻器。 增益和偏置电路包括运算放大器。 电容器的第一端子通过第三电阻器连接到运算放大器的反相输入端子。 电容器的第二端子通过第四电阻器连接到运算放大器的非反相输入端子。 放大器的反相输入端通过第五个电阻连接到运算放大器的输出端。 运算放大器的非反相输入端通过第六个电阻接地。 运算放大器的输出端通过第七电阻连接到第一和第二电阻之间的节点。