公开(公告)号：US20090267585A1

公开(公告)日：2009-10-29

申请号：US12185276

申请日：2008-08-04

申请人： Chi-En Liu ,  Jean-Fu Kiang

发明人： Chi-En Liu ,  Jean-Fu Kiang

IPC分类号： G05F3/16 ,  G05F3/20 ,  H03F3/16

CPC分类号： G05F3/30 ,  H03F1/223 ,  H03F3/195 ,  H03F3/45085 ,  H03F2203/45646 ,  H03F2203/45648 ,  H03F2203/45651 ,  H03F2203/45674 ,  H03F2203/45676

摘要： A cascode current mirror circuit and a bandgap circuit are provided. The circuits are used together and function as a reference voltage circuit. The reference voltage circuit outputs a reference current resistant to temperature variation and ripple-voltage. Accordingly, a voltage stabilizing/regulating circuit corrects error voltage precisely and promptly, and the resultant voltage is temperature insensitive and ripple-voltage-independent.

摘要翻译： 提供共源共栅电流镜电路和带隙电路。 电路一起使用，作为参考电压电路。 参考电压电路输出耐温度变化和纹波电压的参考电流。 因此，电压稳定/调节电路精确且及时地校正误差电压，并且所得到的电压是不敏感的和纹波电压无关的。

公开(公告)号：US20090189718A1

公开(公告)日：2009-07-30

申请号：US12142361

申请日：2008-06-19

申请人： Ping-Yuan DENG ,  Jean-Fu KIANG

发明人： Ping-Yuan DENG ,  Jean-Fu KIANG

IPC分类号： H03K17/687 ,  H01P1/15

CPC分类号： H01P1/15 ,  H03K17/693

摘要： A transistor single-pole-single-throw circuit device includes at least a transistor single-pole-single-throw circuit having a first transistor and a second transistor, and an inductor capacitor (LC) resonator having an inductor and a capacitor connected in series, allowing two ends of the LC resonator connected to the first source and the first drain of the first transistor, respectively. The transistor single-pole-single-throw circuit device adopts an LC resonator having an inductor and a capacitor connected in series to connect with the first source and the first drain of the first transistor. The inductor couples and resonates with a parasitic capacitance of the transistor, to reduce signal loss due to emerged parasitic capacitance when the conventional single-pole-single-throw circuit selects a switch transistor with a larger width.

摘要翻译： 晶体管单极单掷电路器件至少包括具有第一晶体管和第二晶体管的晶体管单极单掷电路，以及具有串联连接的电感器和电容器的电感器电容器（LC）谐振器 允许LC谐振器的两端分别连接到第一晶体管的第一源极和第一漏极。 晶体管单极单掷电路器件采用具有串联连接的电感器和电容器的LC谐振器，与第一晶体管的第一源极和第一漏极连接。 电感器与晶体管的寄生电容耦合并谐振，以便在常规单极单掷电路选择具有较大宽度的开关晶体管时，减少由于出现的寄生电容引起的信号损耗。

公开(公告)号：US20090184875A1

公开(公告)日：2009-07-23

申请号：US12038190

申请日：2008-02-27

申请人： Tze-Hsuan CHANG ,  Jean-Fu Kiang

发明人： Tze-Hsuan CHANG ,  Jean-Fu Kiang

IPC分类号： H01Q1/38 ,  H01Q9/04

CPC分类号： H01Q9/0485

摘要： The present invention relates to a dielectric resonator antenna (DRA) with a transverse-rectangle well. The DRA comprising a substrate, a ground plane, a feed conductor, and a dielectric resonator. The resonator further includes a main body and a well penetrating the main body to enhance the electric field, to increase the radiation efficiency, to broaden the bandwidth, and to create new resonant mode. The DRA has the radiation pattern of broad beamwidth with vertical polarization. Accordingly, the invention can also be adjusted as WLAN 802.11a antenna.

摘要翻译： 本发明涉及一种具有横向矩形井的介质谐振器天线（DRA）。 DRA包括衬底，接地平面，馈电导体和介质谐振器。 谐振器还包括主体和穿透主体的阱以增强电场，提高辐射效率，扩大带宽，并产生新的谐振模式。 DRA具有垂直极化的宽波束宽度的辐射图。 因此，本发明也可以被调整为WLAN 802.11a天线。

公开(公告)号：US20090184774A1

公开(公告)日：2009-07-23

申请号：US12165296

申请日：2008-06-30

申请人： Ping-Yuan Deng ,  Jean-Fu Kiang

发明人： Ping-Yuan Deng ,  Jean-Fu Kiang

IPC分类号： H03B5/24

CPC分类号： H03B5/1228 ,  H03B5/1212 ,  H03B5/1253 ,  H03B5/1296

摘要： A transistor voltage-controlled oscillator includes a cross-coupled LC-tank transistor voltage-controlled oscillating circuit composed of two transistors, a capacitor set, and a first transformer inductor having a first inductor coil and a second inductor coil coupled to the first inductor coil; and a second transformer inductor having a third inductor coil and a fourth inductor coil coupled to the third inductor coil. The first transformer inductor and the second transformer inductor are both used as a coupling inductor for the cross-coupled LC-tank transistor voltage-controlled oscillating circuit. As a result, the inductor area of the transistor voltage-controlled oscillator is greatly reduced and the parasitic capacitance between the inductors and the silicon substrate is reduced accordingly such that the power consumption is greatly reduced and the quality factor of the inductor is increased.

摘要翻译： 晶体管压控振荡器包括由两个晶体管组成的交叉耦合的LC槽晶体管的压控振荡电路，一个电容器组和一个第一变压器电感器，其具有耦合到第一电感线圈的第一电感线圈和第二电感线圈 ; 以及具有耦合到第三电感线圈的第三电感线圈和第四电感线圈的第二变压器电感器。 第一变压器电感器和第二变压器电感器都用作交叉耦合LC槽晶体管压控振荡电路的耦合电感器。 结果，晶体管压控振荡器的电感器面积大大降低，并且电感器和硅衬底之间的寄生电容相应地减小，使得功耗大大降低并且电感器的品质因数增加。

公开(公告)号：US20090128244A1

公开(公告)日：2009-05-21

申请号：US12048558

申请日：2008-03-14

申请人： Ping-Yuan Deng ,  Jean-Fu Kiang

发明人： Ping-Yuan Deng ,  Jean-Fu Kiang

IPC分类号： H03B5/00 ,  H03B5/08

CPC分类号： H03B5/1215 ,  H03B5/1228 ,  H03B5/1243 ,  H03B2201/0208

摘要： A FET transistor voltage-controlled oscillator is provided that includes a crossed-coupled inductor capacitor tank (LC-Tank) transistor voltage-controlled circuit having a first transistor and a second transistor, as well as a transistor frequency multiplying circuit having a third transistor and a fourth transistor. In the design, the gate of the first transistor is connected to the drain of the second transistor, and the gate of the second transistor is connected to the drain of the first transistor. Then, the source of the third transistor is connected to the source of the first transistor, and the source of the fourth transistor is connected to the source of the second transistor. Last, the gate of the third transistor is connected to the gate of the fourth transistor, and the drain of the third transistor is connected to the drain of the fourth transistor. Therefore, the parasitic capacitance present in the first transistor and the parasitic capacitance present in the second transistor generate an effect similar to two capacitors connected in series, via the transistor frequency multiplying circuit. The effect reduces the total capacitance of the voltage-controlled oscillator, to increase the working frequency of the voltage-controlled circuit and allow a circuit having the voltage-controlled circuit to operate at a high frequency.

摘要翻译： 提供了一种FET晶体管压控振荡器，其包括具有第一晶体管和第二晶体管的交叉耦合电感器电容器箱（LC-Tank）晶体管压控电路，以及具有第三晶体管的晶体管倍频电路， 第四晶体管。 在设计中，第一晶体管的栅极连接到第二晶体管的漏极，第二晶体管的栅极连接到第一晶体管的漏极。 然后，第三晶体管的源极连接到第一晶体管的源极，第四晶体管的源极连接到第二晶体管的源极。 最后，第三晶体管的栅极连接到第四晶体管的栅极，第三晶体管的漏极连接到第四晶体管的漏极。 因此，存在于第一晶体管中的寄生电容和第二晶体管中存在的寄生电容经由晶体管倍频电路产生类似于串联连接的两个电容器的效果。 该效果降低了压控振荡器的总电容，以增加压控电路的工作频率，并允许具有压控电路的电路以高频工作。

公开(公告)号：US20090112553A1

公开(公告)日：2009-04-30

申请号：US12175499

申请日：2008-07-18

申请人： I-Yin Li ,  Jean-Fu Kiang

发明人： I-Yin Li ,  Jean-Fu Kiang

IPC分类号： G06F17/50

CPC分类号： G06F17/5045

摘要： An LCD display design system and method are disclosed. The method includes performing operations by a variety of operation modules after initial parameters are input and an operation type is selected, so as to generate operation results and transfer the operation results to an integration module; integrating the operation results by an integration module to generate a correspondence relation such as an operation window, a compare-table or an equation, and further transferring the operation results and the correspondence relation to an output module such that the output module can display performance variations of a variety of designs corresponding to the different initial parameters. Therefore, the present invention provides a user with a convenient way to obtain optimal design parameters for designing a display pixel circuit.

摘要翻译： 公开了一种LCD显示设计系统和方法。 该方法包括：在输入初始参数并选择操作类型之后，通过各种操作模块执行操作，从而产生操作结果并将操作结果传送到集成模块; 通过集成模块对运算结果进行积分，生成操作窗口，比较表或方程等对应关系，并将运算结果和对应关系进一步传送到输出模块，使得输出模块能够显示性能变化 的各种设计对应于不同的初始参数。 因此，本发明为用户提供了一种方便的方法来获得用于设计显示像素电路的最佳设计参数。

公开(公告)号：US20080180190A1

公开(公告)日：2008-07-31

申请号：US11798875

申请日：2007-05-17

申请人： Chia-Yu Chan ,  Jean-Fu Kiang

发明人： Chia-Yu Chan ,  Jean-Fu Kiang

IPC分类号： H03H7/18 ,  H04B3/02

CPC分类号： H03H7/18 ,  H03H7/25 ,  H03H7/48 ,  H03H11/16 ,  H03H11/245

摘要： A full range phase shifter circuit includes a power divider, a hybrid coupler, a differential phase shifter, a power combiner and switched attenuators. The power divider, hybrid coupler, differential phase shifter and power combiner comprise lumped elements and can be integrated in semiconductor processes, decreasing the circuit size of the full range phase shifter.

公开(公告)号：US20080048915A1

公开(公告)日：2008-02-28

申请号：US11466454

申请日：2006-08-23

申请人： Tze-Hsuan Chang ,  Jean-Fu Kiang

发明人： Tze-Hsuan Chang ,  Jean-Fu Kiang

IPC分类号： H01Q1/38

CPC分类号： H01Q9/0485 ,  H01Q9/40 ,  H01Q21/28

摘要： A wideband dielectric resonator monopole antenna, which includes a dielectric resonator and a monopole antenna, combines two frequency bands having close resonant frequencies to achieve 49% of bandwidth and omnidirectional radiation patterns within the frequency band. It includes a column structure and a substrate, wherein the surface of the column structure is coated with a conductive layer, the column structure is kept upright to the substrate, and the substrate is coated or printed with two slot lines extended inward from an edge of the substrate.

摘要翻译： 包括介质谐振器和单极天线的宽带介质谐振器单极天线组合具有接近谐振频率的两个频带，以实现频带内的带宽和全向辐射图案的49％。 它包括柱结构和衬底，其中柱结构的表面涂覆有导电层，柱结构保持垂直于衬底，并且衬底被涂覆或印刷有从槽的边缘向内延伸的两个槽线 底物。

公开(公告)号：US20060164322A1

公开(公告)日：2006-07-27

申请号：US11144721

申请日：2005-06-04

申请人： Cheng-Wei Lan ,  Jean-Fu Kiang ,  Jing-Je Gau

发明人： Cheng-Wei Lan ,  Jean-Fu Kiang ,  Jing-Je Gau

IPC分类号： H01Q1/36

CPC分类号： H01Q11/08 ,  H01Q1/362

摘要： A bifilar helical antenna includes an output/input unit formed by disposing a hybrid on a substrate, wherein the surface of the substrate is coated with a metallic conductive layer; the hybrid is a microstrip-line pattern formed by the conductive layer, and it further comprises a ring part and a plurality of transmission ports; and an antenna unit including a shell and an impedance transformer, wherein the shell is a cylindrical hollow tube disposed on the substrate of the output/input unit, on which a first helical line and a parallel second helical line are wound and both the bottom ends of the helical lines are electrically connected together through a resistor; the impedance transformer is composed of a first transmission line and a parallel second transmission line, where both the top ends of the first and the second transmission line are electrically connected to the top end of the first and the second helical line, and both the bottom ends of the first and the second transmission line are electrically connected to different transmission ports of the hybrid, respectively.