DIGITAL AMPLITUDE MODULATOR AND POLAR TRANSMITTER USING THEREOF
    21.
    发明申请
    DIGITAL AMPLITUDE MODULATOR AND POLAR TRANSMITTER USING THEREOF 审中-公开
    数字振幅调制器及其使用的极性发射器

    公开(公告)号:US20110280334A1

    公开(公告)日:2011-11-17

    申请号:US12859800

    申请日:2010-08-20

    IPC分类号: H04L27/00 H03C1/02

    摘要: The present invention provides a digital amplitude modulator and polar transmitter using the same. The polar transmitter includes: a polar converter for converting an input signal into an amplitude information signal and a phase information signal, and outputting the converted amplitude and phase information signal; a sigma-delta modulator for receiving a fractional part of the amplitude information signal, and generating a correcting value for an integer part of the amplitude information signal; a phase-modulator for upward-modulating the phase information signal outputted from the polar converter, and outputting carrier waves including the upward-modulated phase information signal; and a digital power amplifier for generating an output signal whose amplitude corresponds to the integer part of the amplitude information signal which is subjected to correction by the correcting value, and outputting combining the output signal with an output value of the phase-modulator to output the combined signal.

    摘要翻译: 本发明提供一种数字振幅调制器和使用该调幅器的极化发射机。 极性发射机包括:极化转换器,用于将输入信号转换为振幅信息信号和相位信息信号,并输出转换的幅度和相位信息信号; 一个Σ-Δ调制器,用于接收幅度信息信号的分数部分,并产生一个幅度信息信号整数部分的校正值; 相位调制器,用于对从极化转换器输出的相位信息信号进行向上调制,并输出包括向上调制相位信息信号的载波; 以及数字功率放大器,用于产生其幅度对应于通过校正值进行校正的振幅信息信号的整数部分的输出信号,并且输出将输出信号与相位调制器的输出值相组合以输出 组合信号。

    Regulator with soft-start using current source
    22.
    发明授权
    Regulator with soft-start using current source 失效
    具有软启动的调节器,使用电流源

    公开(公告)号:US08018214B2

    公开(公告)日:2011-09-13

    申请号:US12259358

    申请日:2008-10-28

    IPC分类号: G05F1/59

    CPC分类号: G05F1/565 Y10S323/901

    摘要: There is provided a regulator with soft-start using a current source. The regulator with soft-start may include: a power switch unit including first and second power switches connected between a power supply terminal and an output terminal; a load capacitor connected between the output terminal and a ground; a voltage detection unit detecting a voltage of the output terminal; a comparison unit comparing a detection voltage and a predetermined reference voltage, and outputting first and second switching signals; a current generating a predetermined constant current; a current control unit switching a connection between a control terminal of the first power switch and the current source unit according to the first switching, and switching a connection between the control terminal of the first power switch and the ground according to the second switching signal; and an error amplification unit amplifying an error voltage between the detection.

    摘要翻译: 提供了一个使用电流源的软启动调节器。 具有软启动的调节器可以包括:电源开关单元,包括连接在电源端子和输出端子之间的第一和第二电源开关; 连接在输出端子和地之间的负载电容器; 电压检测单元,检测输出端子的电压; 比较单元,比较检测电压和预定参考电压,并输出第一和第二开关信号; 产生预定恒定电流的电流; 电流控制单元根据第一开关切换第一电力开关的控制端子与电流源单元之间的连接,并根据第二开关信号切换第一电力开关的控制端子与地的连接; 以及放大检测之间的误差电压的误差放大单元。

    Voltage regulating apparatus having a reduced current consumption and settling time
    23.
    发明授权
    Voltage regulating apparatus having a reduced current consumption and settling time 失效
    电压调节装置具有降低的电流消耗和稳定时间

    公开(公告)号:US07939883B2

    公开(公告)日:2011-05-10

    申请号:US11754129

    申请日:2007-05-25

    IPC分类号: H01L29/66

    CPC分类号: G05F1/46

    摘要: There is disclosed a voltage regulating apparatus with a short settling time and a small current consumption. The voltage regulating apparatus comprises a reference voltage generator including an MOSFET array comprising a plurality of MOSFETs with a structure in which a drain and a source are connected in series with each other, a supply voltage is applied to the drain of the MOSFET located in an end of the MOSFET array and the source of the MOSFET located in another end is grounded, and the reference voltage is a voltage obtained by dividing by the plurality of MOSFETs of the MOSFET array at a predetermined ratio.

    摘要翻译: 公开了一种具有短的稳定时间和小的电流消耗的电压调节装置。 电压调节装置包括参考电压发生器,该参考电压发生器包括具有多个MOSFET的MOSFET阵列,其具有将漏极和源极彼此串联连接的结构,将电源电压施加到位于 MOSFET阵列的端部和位于另一端的MOSFET的源极接地,并且参考电压是通过以预定比率除以MOSFET阵列的多个MOSFET获得的电压。

    BROADBAND VOLTAGE CONTROLLED OSCILLATOR AND METHOD FOR GENERATING BROADBAND OSCILLATION FREQUENCY
    24.
    发明申请
    BROADBAND VOLTAGE CONTROLLED OSCILLATOR AND METHOD FOR GENERATING BROADBAND OSCILLATION FREQUENCY 有权
    宽带电压控制振荡器及其产生宽带振荡频率的方法

    公开(公告)号:US20100117740A1

    公开(公告)日:2010-05-13

    申请号:US12358887

    申请日:2009-01-23

    IPC分类号: H03L7/00

    摘要: The present invention relates to a broadband voltage controlled oscillator and a method for generating a broadband oscillation frequency; and, more particularly, to a broadband voltage controlled oscillator and a method for generating a broadband oscillation frequency capable of operating over a wide frequency band by including a weighted current cell to select two frequency band modes, generating various levels of total 64 oscillation frequencies by including a variable frequency tank and a capacitor bank, and further facilitating adjustment of the total 64 oscillation frequencies distributed over the wide frequency band by including a control signal generator for generating control signals each of which is applied to the weighted current cell, the variable frequency tank and the capacitor bank by a BDD(Binary Decision Diagram) technique.

    摘要翻译: 本发明涉及一种宽带压控振荡器和一种产生宽带振荡频率的方法, 更具体地,涉及一种宽带压控振荡器和一种用于产生能够在宽频带上工作的宽带振荡频率的方法,该方法包括加权的当前小区以选择两个频带模式,通过以下方式产生总共64个振荡频率的各种级别 包括可变频率储能器和电容器组,并且进一步有助于调整分布在宽频带上的总共64个振荡频率,包括用于产生控制信号的控制信号发生器,每个控制信号被施加到加权的当前单元,可变频率 水箱和电容器组通过BDD(二进制决策图)技术。

    KEY SCANNING CIRCUIT
    26.
    发明申请
    KEY SCANNING CIRCUIT 有权
    关键扫描电路

    公开(公告)号:US20100052952A1

    公开(公告)日:2010-03-04

    申请号:US12422527

    申请日:2009-04-13

    IPC分类号: H03M11/00

    CPC分类号: H03M11/20

    摘要: In a key scanning circuit, a key input unit has a parallel connection of a plurality of circuits having a series connection of resistors and switches between a power supply input terminal and a key scanning terminal. The resistors connected in parallel have different resistances. A current mirror has a first terminal connected to the key scanning terminal. A reference current source is connected between a second terminal of the current mirror and the power supply input terminal.

    摘要翻译: 在键扫描电路中,键输入单元具有在电源输入端和键扫描端之间具有电阻和开关的串联连接的多个电路的并联连接。 并联连接的电阻具有不同的电阻。 电流反射镜具有连接到键扫描终端的第一端子。 参考电流源连接在电流镜的第二端和电源输入端之间。

    SHOWERHEAD AND CHEMICAL VAPOR DEPOSITION APPARATUS INCLUDING THE SAME
    27.
    发明申请
    SHOWERHEAD AND CHEMICAL VAPOR DEPOSITION APPARATUS INCLUDING THE SAME 审中-公开
    淋浴和化学气相沉积装置,包括它们

    公开(公告)号:US20100024727A1

    公开(公告)日:2010-02-04

    申请号:US12407347

    申请日:2009-03-19

    IPC分类号: C23C16/44

    CPC分类号: C23C16/45502 C23C16/45565

    摘要: Provided is a showerhead that can inject a reaction gas into a reaction chamber in a manner such that the injected reaction gas form a spiral vortex flow field. Therefore, the injected reaction gas can be mixed within a shorter distance, and thus the effective deposition radius of a wafer can be increased so that uniform-density deposition can be performed on the entire surface of the wafer using the mixed reaction gas.

    摘要翻译: 提供一种喷射器,其能够以使得注入的反应气体形成螺旋涡流场的方式将反应气体注入反应室。 因此,注入的反应气体可以在更短的距离内混合,从而可以提高晶片的有效沉积半径,从而可以使用混合反应气体在晶片的整个表面上进行均匀的浓度沉积。

    REGULATOR WITH SOFT-START USING CURRENT SOURCE
    28.
    发明申请
    REGULATOR WITH SOFT-START USING CURRENT SOURCE 失效
    使用电流软启动调节器

    公开(公告)号:US20090295340A1

    公开(公告)日:2009-12-03

    申请号:US12259358

    申请日:2008-10-28

    IPC分类号: G05F1/00

    CPC分类号: G05F1/565 Y10S323/901

    摘要: There is provided a regulator with soft-start using a current source. The regulator with soft-start may include: a power switch unit including first and second power switches connected between a power supply terminal and an output terminal; a load capacitor connected between the output terminal and a ground; a voltage detection unit detecting a voltage of the output terminal; a comparison unit comparing a detection voltage and a predetermined reference voltage, and outputting first and second switching signals; a current generating a predetermined constant current; a current control unit switching a connection between a control terminal of the first power switch and the current source unit according to the first switching, and switching a connection between the control terminal of the first power switch and the ground according to the second switching signal; and an error amplification unit amplifying an error voltage between the detection.

    摘要翻译: 提供了一个使用电流源的软启动调节器。 具有软启动的调节器可以包括:电源开关单元,包括连接在电源端子和输出端子之间的第一和第二电源开关; 连接在输出端子和地之间的负载电容器; 电压检测单元,检测输出端子的电压; 比较单元,比较检测电压和预定参考电压,并输出第一和第二开关信号; 产生预定恒定电流的电流; 电流控制单元根据第一开关切换第一电力开关的控制端子与电流源单元之间的连接,并根据第二开关信号切换第一电力开关的控制端子与地的连接; 以及放大检测之间的误差电压的误差放大单元。

    ANTENNA DIVERSITY RECEIVER
    29.
    发明申请
    ANTENNA DIVERSITY RECEIVER 有权
    天线多样性接收机

    公开(公告)号:US20090170461A1

    公开(公告)日:2009-07-02

    申请号:US12188871

    申请日:2008-08-08

    IPC分类号: H04B1/06

    CPC分类号: H04B7/0814

    摘要: An antenna diversity receiver includes a plurality of antennas, an antenna selector unit, an RF module unit, a logic gate unit, a power detector unit, and a selection controller unit. The antenna selector unit selects one of the antennas. The RF module unit converts an RF RX signal received from the antenna selector unit into a baseband RX signal. The logic gate unit controls a power detection mode for detecting the power levels of RX signals and an operation mode for selecting one of the antennas. The power detector unit detects the power level of the RX signal. The selection controller unit controls the antenna selector unit to sequentially select the antennas in the power detection mode, and controls the antenna selector unit to select the antenna with a relatively good RX sensitivity among the antennas.

    摘要翻译: 天线分集接收机包括多个天线,天线选择器单元,RF模块单元,逻辑门单元,功率检测单元和选择控制单元。 天线选择器单元选择一个天线。 RF模块单元将从天线选择器单元接收的RF RX信号转换为基带RX信号。 逻辑门单元控制用于检测RX信号的功率电平的功率检测模式和用于选择天线之一的操作模式。 功率检测器单元检测RX信号的功率电平。 选择控制器单元控制天线选择器单元在功率检测模式中顺序地选择天线,并且控制天线选择器单元选择天线之间具有相对良好的RX灵敏度的天线。

    APPARATUS AND METHOD FOR CONTROLLING LIGHTING BRIGHTNESS THROUGH PULSE FREQUENCY MODULATION
    30.
    发明申请
    APPARATUS AND METHOD FOR CONTROLLING LIGHTING BRIGHTNESS THROUGH PULSE FREQUENCY MODULATION 审中-公开
    通过脉冲频率调制控制照明亮度的装置和方法

    公开(公告)号:US20090160360A1

    公开(公告)日:2009-06-25

    申请号:US12044734

    申请日:2008-03-07

    IPC分类号: H05B41/36

    CPC分类号: H05B41/3925

    摘要: Provided is an apparatus for controlling lighting brightness through PFM, the apparatus including a lighting control unit that generates a control signal for controlling the brightness of a plurality of lightings; a PFM signal generating unit that is controlled by the control signal so as to generate a plurality of PFM signals having a different frequency from each other; and a driving voltage generating unit that composes the generated PFM signals in accordance with a preset combination, thereby generating driving voltages for driving the lightings.

    摘要翻译: 提供了一种通过PFM控制照明亮度的装置,该装置包括产生用于控制多个照明亮度的控制信号的照明控制单元; PFM信号产生单元,其由所述控制信号控制,以产生彼此具有不同频率的多个PFM信号; 以及驱动电压产生单元,其根据预设组合构成所生成的PFM信号,从而产生用于驱动照明的驱动电压。