Semiconductor integrated circuit including a mixer and wireless communication apparatus
    1.
    发明授权
    Semiconductor integrated circuit including a mixer and wireless communication apparatus 有权
    包括混频器和无线通信装置的半导体集成电路

    公开(公告)号:US08073408B2

    公开(公告)日:2011-12-06

    申请号:US12489860

    申请日:2009-06-23

    IPC分类号: H04B1/04 H04K3/00

    CPC分类号: H04B1/04 H04B2001/0491

    摘要: A semiconductor integrated circuit includes a first input terminal configured to input a baseband signal, a second input terminal configured to input a local oscillation signal, an output terminal configured to output a modulating signal, a first amplifier circuit configured to receive the baseband signal through the first input terminal and to output a first amplified signal of the baseband signal, a 2-multiplying circuit configured to receive the local oscillation signal through the second input terminal and to output a 2-multiplied signal of the local oscillation signal, an adder configured to add the 2-multiplied signal and the first amplified signal and to output an addition signal, a second amplifier circuit configured to receive the addition signal and to output a second amplified signal of the addition signal, and a mixer configured to multiply the second amplified signal and the local oscillation signal and to output the modulating signal to the output terminal.

    摘要翻译: 半导体集成电路包括被配置为输入基带信号的第一输入端子,被配置为输入本地振荡信号的第二输入端子,被配置为输出调制信号的输出端子,被配置为通过所述第一输入端子接收基带信号的第一放大器电路 第一输入端并输出基带信号的第一放大信号; 2倍增电路,被配置为通过第二输入端接收本地振荡信号,并输出本地振荡信号的2相乘信号;加法器,被配置为 添加2倍增信号和第1放大信号并输出​​加法信号;第2放大电路,被配置为接收相加信号并输出​​加法信号的第2放大信号;以及混频器,被配置为将第2放大信号 和本地振荡信号,并将调制信号输出到输出端。

    SEMICONDUCTOR INTEGRATED CIRCUIT INCLUDING A MIXER AND WIRELESS COMMUNICATION APPARATUS
    2.
    发明申请
    SEMICONDUCTOR INTEGRATED CIRCUIT INCLUDING A MIXER AND WIRELESS COMMUNICATION APPARATUS 有权
    半导体集成电路,包括混频器和无线通信设备

    公开(公告)号:US20090318096A1

    公开(公告)日:2009-12-24

    申请号:US12489860

    申请日:2009-06-23

    IPC分类号: H04B1/38 H01L25/00

    CPC分类号: H04B1/04 H04B2001/0491

    摘要: A semiconductor integrated circuit includes a first input terminal configured to input a baseband signal, a second input terminal configured to input a local oscillation signal, an output terminal configured to output a modulating signal, a first amplifier circuit configured to receive the baseband signal through the first input terminal and to output a first amplified signal of the baseband signal, a 2-multiplying circuit configured to receive the local oscillation signal through the second input terminal and to output a 2-multiplied signal of the local oscillation signal, an adder configured to add the 2-multiplied signal and the first amplified signal and to output an addition signal, a second amplifier circuit configured to receive the addition signal and to output a second amplified signal of the addition signal, and a mixer configured to multiply the second amplified signal and the local oscillation signal and to output the modulating signal to the output terminal.

    摘要翻译: 半导体集成电路包括被配置为输入基带信号的第一输入端子,被配置为输入本地振荡信号的第二输入端子,被配置为输出调制信号的输出端子,被配置为通过所述第一输入端子接收基带信号的第一放大器电路 第一输入端并输出基带信号的第一放大信号; 2倍增电路,被配置为通过第二输入端接收本地振荡信号,并输出本地振荡信号的2相乘信号;加法器,被配置为 添加2倍增信号和第1放大信号并输出​​加法信号;第2放大电路,被配置为接收相加信号并输出​​加法信号的第2放大信号;以及混频器,被配置为将第2放大信号 和本地振荡信号,并将调制信号输出到输出端。

    DC-DC CONVERTER AND DIGITAL PULSE WIDTH MODULATOR
    3.
    发明申请
    DC-DC CONVERTER AND DIGITAL PULSE WIDTH MODULATOR 失效
    DC-DC转换器和数字脉冲宽度调制器

    公开(公告)号:US20120242314A1

    公开(公告)日:2012-09-27

    申请号:US13251343

    申请日:2011-10-03

    IPC分类号: G05F1/46

    CPC分类号: H03K7/08 H02M3/157

    摘要: A DC-DC converter has a switching element, a lowpass filter, an oscillator, an AD converter, an error signal generator, a counter, a comparator, a selector configured to select one of the plurality of clock signals in accordance with a value of a lower side bit of the error signal in sync with a timing when the comparator detects coincidence, and a switching controller configured to control ON/OFF of the switching element in accordance with the clock signal selected by the selector. The selector selects one among the plurality of clock signals and a new clock signal generated by combining two or more clock signals comprising neighboring phases among the plurality of clock signals.

    摘要翻译: DC-DC转换器具有开关元件,低通滤波器,振荡器,AD转换器,误差信号发生器,计数器,比较器,选择器,其被配置为根据以下值来选择多个时钟信号中的一个: 误差信号的下侧位与比较器检测到一致的定时同步;以及切换控制器,被配置为根据由选择器选择的时钟信号来控制开关元件的接通/断开。 选择器选择多个时钟信号中的一个和通过组合包括多个时钟信号中的相邻相位的两个或更多个时钟信号而产生的新的时钟信号。

    Semiconductor integrated circuit
    4.
    发明授权
    Semiconductor integrated circuit 有权
    半导体集成电路

    公开(公告)号:US08143933B2

    公开(公告)日:2012-03-27

    申请号:US12723822

    申请日:2010-03-15

    IPC分类号: G06G7/12

    CPC分类号: H03B19/14

    摘要: A semiconductor integrated circuit includes a mixer circuit unit having a first single gate mixer configured to receive a first input signal having a first frequency and a second input signal having a second frequency as inputs, a second single gate mixer configured to receive the first input signal and a third input signal of a phase inverted from a phase of the second input signal as inputs, a third single gate mixer configured to receive a fourth input signal of a phase inverted from the phase of the first input signal and the second input signal as inputs, and a fourth single gate mixer configured to receive the third and the fourth input signals as inputs; and a ½-frequency divider unit configured to receive output signals from the first to the fourth single gate mixers as inputs and output a desired signal.

    摘要翻译: 半导体集成电路包括具有第一单栅极混频器的混频器电路单元,其被配置为接收具有第一频率的第一输入信号和具有第二频率的第二输入信号作为输入;第二单门混频器,被配置为接收第一输入信号 以及从所述第二输入信号的相位反转的相位的第三输入信号作为输入;第三单门混频器,被配置为接收从所述第一输入信号和所述第二输入信号的相位反相的相位的第四输入信号, 配置为接收第三和第四输入信号作为输入的第四单门混频器; 以及1/2分频器单元,被配置为从第一至第四单个栅极混合器接收输出信号作为输入并输出期望的信号。

    Wireless communication apparatus
    5.
    发明授权

    公开(公告)号:US08135373B2

    公开(公告)日:2012-03-13

    申请号:US12407957

    申请日:2009-03-20

    IPC分类号: H04B15/00

    CPC分类号: H04B1/0053

    摘要: A wireless communication apparatus includes a local oscillator that generates a plurality of LO (Local Oschillation) signals corresponding to frequencies of a plurality of input RF (Radio Frequency) signals, an accumulator that accumulates the plurality of LO signals generated by the local oscillator to generate an accumulated signal, a mixer that mixes the plurality of RF signals and the accumulated signal generated by the accumulator and to generate a plurality of base band signals, and a first signal processing unit that executes a signal process with respect to the plurality of base band signals generated by the mixer.

    WIRELESS COMMUNICATION APPARATUS
    6.
    发明申请
    WIRELESS COMMUNICATION APPARATUS 有权
    无线通信设备

    公开(公告)号:US20090253396A1

    公开(公告)日:2009-10-08

    申请号:US12407957

    申请日:2009-03-20

    IPC分类号: H04B1/16 H04B1/06

    CPC分类号: H04B1/0053

    摘要: A wireless communication apparatus includes a local oscillator that generates a plurality of LO (Local Oschillation) signals corresponding to frequencies of a plurality of input RF (Radio Frequency) signals, an accumulator that accumulates the plurality of LO signals generated by the local oscillator to generate an accumulated signal, a mixer that mixes the plurality of RF signals and the accumulated signal generated by the accumulator and to generate a plurality of base band signals, and a first signal processing unit that executes a signal process with respect to the plurality of base band signals generated by the mixer.

    摘要翻译: 无线通信装置包括本地振荡器,其产生对应于多个输入RF(射频)信号的频率的多个LO(局部烧灼)信号,累加器,其累积由本地振荡器产生的多个LO信号,以产生 累加信号,混合多个RF信号的混频器和由累加器产生的累加信号并产生多个基带信号;以及第一信号处理单元,其对多个基带进行信号处理 由混频器产生的信号。

    FREQUENCY CONVERTING CIRCUIT AND RECEIVER
    7.
    发明申请
    FREQUENCY CONVERTING CIRCUIT AND RECEIVER 失效
    频率转换电路和接收器

    公开(公告)号:US20090088123A1

    公开(公告)日:2009-04-02

    申请号:US12240093

    申请日:2008-09-29

    IPC分类号: H04B1/16 H03D7/00

    CPC分类号: H03D7/125

    摘要: A frequency converting circuit that outputs an output signal obtained by mixing a first input signal and a second input signal, has: a first input terminal to which the first input signal is input; a second input terminal to which the second input signal is input; an output terminal from which the output signal is output; a frequency converting element that has a first input part connected to the first input terminal and an output part connected to the output terminal, restricts the signal input to the first input part according to a signal input to a second input part and outputs the restricted signal to the output part; and a pulse controlling circuit that receives the second input signal via the second input terminal and outputs a pulse signal obtained by restricting the pulses of the second input signal to the second input part of the frequency converting element.

    摘要翻译: 输出通过混合第一输入信号和第二输入信号而获得的输出信号的频率转换电路具有:输入第一输入信号的第一输入端; 输入第二输入信号的第二输入端; 输出信号输出的输出端子; 具有连接到第一输入端子的第一输入部分和连接到输出端子的输出部分的频率转换元件根据输入到第二输入部分的信号来限制输入到第一输入部分的信号,并输出受限信号 到输出部分; 以及脉冲控制电路,其经由所述第二输入端子接收所述第二输入信号,并将通过将所述第二输入信号的脉冲限制到所述频率转换元件的所述第二输入部分而获得的脉冲信号。

    Frequency converting circuit and receiver
    8.
    发明授权
    Frequency converting circuit and receiver 失效
    变频电路和接收机

    公开(公告)号:US08340620B2

    公开(公告)日:2012-12-25

    申请号:US13369536

    申请日:2012-02-09

    IPC分类号: H04B1/26

    CPC分类号: H03D7/125

    摘要: A frequency converting circuit that outputs an output signal obtained by mixing a first input signal and a second input signal, has: a first input terminal to which the first input signal is input; a second input terminal to which the second input signal is input; an output terminal from which the output signal is output; a frequency converting element that has a first input part connected to the first input terminal and an output part connected to the output terminal, restricts the signal input to the first input part according to a signal input to a second input part and outputs the restricted signal to the output part; and a pulse controlling circuit that receives the second input signal via the second input terminal and outputs a pulse signal obtained by restricting the pulses of the second input signal to the second input part of the frequency converting element.

    摘要翻译: 输出通过混合第一输入信号和第二输入信号而获得的输出信号的频率转换电路具有:输入第一输入信号的第一输入端; 输入第二输入信号的第二输入端; 输出信号输出的输出端子; 具有连接到第一输入端子的第一输入部分和连接到输出端子的输出部分的频率转换元件根据输入到第二输入部分的信号来限制输入到第一输入部分的信号,并输出受限信号 到输出部分; 以及脉冲控制电路,其经由所述第二输入端子接收所述第二输入信号,并将通过将所述第二输入信号的脉冲限制到所述频率转换元件的所述第二输入部分而获得的脉冲信号。

    SEMICONDUCTOR INTEGRATED CIRCUIT
    9.
    发明申请
    SEMICONDUCTOR INTEGRATED CIRCUIT 有权
    半导体集成电路

    公开(公告)号:US20120176165A1

    公开(公告)日:2012-07-12

    申请号:US13397742

    申请日:2012-02-16

    IPC分类号: H03B19/00

    CPC分类号: H03B19/14

    摘要: A semiconductor integrated circuit includes a mixer circuit unit having a first single gate mixer configured to receive a first input signal having a first frequency and a second input signal having a second frequency as inputs, a second single gate mixer configured to receive the first input signal and a third input signal of a phase inverted from a phase of the second input signal as inputs, a third single gate mixer configured to receive a fourth input signal of a phase inverted from the phase of the first input signal and the second input signal as inputs, and a fourth single gate mixer configured to receive the third and the fourth input signals as inputs; and a ½-frequency divider unit configured to receive output signals from the first to the fourth single gate mixers as inputs and output a desired signal.

    摘要翻译: 半导体集成电路包括具有第一单栅极混频器的混频器电路单元,其被配置为接收具有第一频率的第一输入信号和具有第二频率的第二输入信号作为输入;第二单门混频器,被配置为接收第一输入信号 以及从所述第二输入信号的相位反转的相位的第三输入信号作为输入;第三单门混频器,被配置为接收从所述第一输入信号和所述第二输入信号的相位反相的相位的第四输入信号, 配置为接收第三和第四输入信号作为输入的第四单门混频器; 以及1/2分频器单元,被配置为从第一至第四单个栅极混合器接收输出信号作为输入并输出期望的信号。

    Semiconductor integrated circuit device
    10.
    发明授权
    Semiconductor integrated circuit device 有权
    半导体集成电路器件

    公开(公告)号:US07898332B2

    公开(公告)日:2011-03-01

    申请号:US12560828

    申请日:2009-09-16

    IPC分类号: H03F3/45

    摘要: A semiconductor integrated circuit device includes: an amplifier circuit which respectively has one or more input terminals and one or more output terminals; a replica circuit which has the same DC characteristics as those of the amplifier circuit; a reference voltage generation circuit which is connected to a bias terminal of the replica circuit, and which generates a predetermined reference voltage at the bias terminal; and a feedback circuit which takes a difference between the reference voltage generated at the bias terminal of the replica circuit and the voltage generated at a bias terminal of the amplifier circuit, and which performs feedback control by providing negative feedback of the difference to the bias terminal of the amplifier circuit so that the voltage generated at the bias terminal of the amplifier circuit is made equal to the reference voltage generated at the bias terminal of the replica circuit.

    摘要翻译: 一种半导体集成电路器件,包括:分别具有一个或多个输入端子和一个或多个输出端子的放大器电路; 具有与放大电路相同的DC特性的复制电路; 参考电压产生电路,其连接到所述复制电路的偏置端子,并且在所述偏置端子处产生预定的参考电压; 以及反馈电路,其将复制电路的偏置端子处产生的参考电压与在放大器电路的偏置端子处产生的电压之间产生差异,并且通过向偏置端子提供差分的负反馈来执行反馈控制 使得在放大器电路的偏置端产生的电压等于在复制电路的偏置端产生的参考电压。