公开(公告)号：US07605655B2

公开(公告)日：2009-10-20

申请号：US12129364

申请日：2008-05-29

申请人： Jongsik Kim ,  Sangwon Han ,  Hyunchol Shin

发明人： Jongsik Kim ,  Sangwon Han ,  Hyunchol Shin

IPC分类号： H03F3/45

CPC分类号： H03F3/45188 ,  H03F1/223 ,  H03F1/3205 ,  H03F1/3211 ,  H03F3/195 ,  H03F3/45201 ,  H03F3/45677 ,  H03F3/4569 ,  H03F2200/108 ,  H03F2200/451 ,  H03F2203/45008 ,  H03F2203/45362 ,  H03F2203/45392 ,  H03F2203/45464 ,  H03F2203/45496

摘要： There is provided a highly linear differential amplifying circuit. The highly linear differential amplifying circuit includes: a differential amplifying unit including a main differential amplifying unit having a differential pair of transistors for amplifying a difference of two input signals and an auxiliary amplifying unit connected in parallel with the main differential amplifying unit, wherein second-order derivatives of transconductances of the main differential amplifying unit and the auxiliary differential amplifying unit are properly set to have an offset; and a source degeneration resistor unit including a first source degeneration resistor to a fourth source degeneration resistor. Accordingly, the linearity of the differential amplifying circuit is improved at a wide output power region.

摘要翻译： 提供了高度线性的差分放大电路。 高线性差分放大电路包括：差分放大单元，包括具有用于放大两个输入信号的差的晶体管的差分对的主差分放大单元和与主差分放大单元并联连接的辅助放大单元， 主差分放大单元和辅助差分放大单元的跨导的顺序导数被适当地设置为具有偏移; 以及源极退化电阻器单元，其包括到第四源极退变电阻器的第一源极退变电阻器。 因此，在宽的输出功率区域，差分放大电路的线性度得到改善。

公开(公告)号：US20090066431A1

公开(公告)日：2009-03-12

申请号：US12208019

申请日：2008-09-10

申请人： Hyunchol SHIN ,  Jongsik Kim ,  Yunseong Eo ,  Soowoong LEE

发明人： Hyunchol SHIN ,  Jongsik Kim ,  Yunseong Eo ,  Soowoong LEE

IPC分类号： H03B5/12

CPC分类号： H03B5/1852 ,  H03L7/099 ,  H03L7/10

摘要： A wide-band voltage controlled oscillator includes a cross-connected transistors for providing a stable oscillating signal, an inductor unit for providing an inductance for determining a resonance frequency, a varactor bank including a plurality of switchable variable-capacitance elements parallely connected to the inductor unit and having a varactor capacitance varying with the first switching signal and a tuning voltage, a subsection capacitor bank including a plurality of switchable capacitor elements parallely connected to the inductor unit and having predetermined capacitances for grouping frequency sections, and a binary-weighted capacitor bank including a plurality of binary-weighted capacitor arrays parallely connected to the inductor unit and a bank selector for selecting one of the binary-weighted capacitor arrays, wherein each binary-weighted capacitor arrays includes a plurality of parallely connected switchable capacitor elements selectively switched on by a third switching signal to determine a variable weighted capacitance of the tunable binary-weighted capacitor bank.

摘要翻译： 宽带压控振荡器包括用于提供稳定振荡信号的交叉连接晶体管，用于提供用于确定谐振频率的电感的电感器单元，包括并联连接到电感器的多个可切换可变电容元件的变容管组 并且具有随着第一开关信号和调谐电压而变化的变容二极管电容，分段电容器组包括并联连接到电感器单元并且具有用于对频率部分进行分组的预定电容的多个可切换电容器元件，以及二进制加权电容器组 包括并联连接到电感器单元的多个二进制加权电容器阵列和用于选择二进制加权电容器阵列中的一个的组选择器，其中每个二进制加权电容器阵列包括多个并联连接的可切换电容器元件，其选择性地由 第三个开关 g信号以确定可调二进制加权电容器组的可变加权电容。

公开(公告)号：US07800458B2

公开(公告)日：2010-09-21

申请号：US12208019

申请日：2008-09-10

申请人： Hyunchol Shin ,  Jongsik Kim ,  Yunseong Eo ,  Soowoong Lee

发明人： Hyunchol Shin ,  Jongsik Kim ,  Yunseong Eo ,  Soowoong Lee

IPC分类号： H03B1/00

CPC分类号： H03B5/1852 ,  H03L7/099 ,  H03L7/10

摘要： A wide-band voltage controlled oscillator includes a cross-connected transistors for providing a stable oscillating signal, an inductor unit for providing an inductance for determining a resonance frequency, a varactor bank including a plurality of switchable variable-capacitance elements parallely connected to the inductor unit and having a varactor capacitance varying with the first switching signal and a tuning voltage, a subsection capacitor bank including a plurality of switchable capacitor elements parallely connected to the inductor unit and having predetermined capacitances for grouping frequency sections, and a binary-weighted capacitor bank including a plurality of binary-weighted capacitor arrays parallely connected to the inductor unit and a bank selector for selecting one of the binary-weighted capacitor arrays, wherein each binary-weighted capacitor arrays includes a plurality of parallely connected switchable capacitor elements selectively switched on by a third switching signal to determine a variable weighted capacitance of the tunable binary-weighted capacitor bank.

摘要翻译： 宽带压控振荡器包括用于提供稳定振荡信号的交叉连接晶体管，用于提供用于确定谐振频率的电感的电感器单元，包括并联连接到电感器的多个可切换可变电容元件的变容管组 并且具有随着第一开关信号和调谐电压而变化的变容二极管电容，分段电容器组包括并联连接到电感器单元并且具有用于对频率部分进行分组的预定电容的多个可切换电容器元件，以及二进制加权电容器组 包括并联连接到电感器单元的多个二进制加权电容器阵列和用于选择二进制加权电容器阵列中的一个的组选择器，其中每个二进制加权电容器阵列包括多个并联连接的可切换电容器元件，其选择性地由 第三个开关 g信号以确定可调二进制加权电容器组的可变加权电容。

公开(公告)号：US20090219092A1

公开(公告)日：2009-09-03

申请号：US12129364

申请日：2008-05-29

申请人： Jongsik KIM ,  Sangwon Han ,  Hyunchol Shin

发明人： Jongsik KIM ,  Sangwon Han ,  Hyunchol Shin

IPC分类号： H03F3/45 ,  H03G3/12

CPC分类号： H03F3/45188 ,  H03F1/223 ,  H03F1/3205 ,  H03F1/3211 ,  H03F3/195 ,  H03F3/45201 ,  H03F3/45677 ,  H03F3/4569 ,  H03F2200/108 ,  H03F2200/451 ,  H03F2203/45008 ,  H03F2203/45362 ,  H03F2203/45392 ,  H03F2203/45464 ,  H03F2203/45496

摘要： There is provided a highly linear differential amplifying circuit. The highly linear differential amplifying circuit includes: a differential amplifying unit including a main differential amplifying unit having a differential pair of transistors for amplifying a difference of two input signals and an auxiliary amplifying unit connected in parallel with the main differential amplifying unit, wherein second-order derivatives of transconductances of the main differential amplifying unit and the auxiliary differential amplifying unit are properly set to have an offset; and a source degeneration resistor unit including a first source degeneration resistor to a fourth source degeneration resistor. Accordingly, the linearity of the differential amplifying circuit is improved at a wide output power region.

摘要翻译： 提供了高度线性的差分放大电路。 高线性差分放大电路包括：差分放大单元，包括具有用于放大两个输入信号的差的晶体管的差分对的主差分放大单元和与主差分放大单元并联连接的辅助放大单元， 主差分放大单元和辅助差分放大单元的跨导的顺序导数被适当地设置为具有偏移; 以及源极退化电阻器单元，其包括到第四源极退变电阻器的第一源极退变电阻器。 因此，在宽的输出功率区域，差分放大电路的线性度得到改善。

公开(公告)号：US6036200A

公开(公告)日：2000-03-14

申请号：US988882

申请日：1997-12-11

申请人： Jongsik Kim

发明人： Jongsik Kim

IPC分类号： B60G17/052 ,  B60G17/019 ,  B60G21/10 ,  B60G17/00

CPC分类号： B60G17/01925 ,  B60G21/10 ,  B60G2202/152 ,  B60G2800/012

摘要： A rolling reducing apparatus for a vehicle includes a suspension system for absorbing all sorts of shock generated by driving the vehicle and for supporting a vehicle chassis. The suspension system has a lower arm connecting the vehicle chassis to a wheel carrier. A centrifugal force compensator is provided for detecting centrifugal force generated by the turning of the vehicle and for compensating the centrifugal force by controlling a distance between the vehicle chassis and the lower arm in accordance with the detected centrifugal force.

摘要翻译： 一种用于车辆的滚降装置包括一个用于吸收由驾驶车辆产生的各种冲击并支撑车辆底盘的悬架系统。 悬挂系统具有将车辆底盘连接到车轮架的下臂。 提供离心力补偿器，用于检测通过车辆转动产生的离心力，并且通过根据检测到的离心力控制车辆底盘与下臂之间的距离来补偿离心力。