公开(公告)号：US20120242314A1

公开(公告)日：2012-09-27

申请号：US13251343

申请日：2011-10-03

申请人： Toshimasa Namekawa ,  Daisuke Miyashita ,  Jun Deguchi

发明人： Toshimasa Namekawa ,  Daisuke Miyashita ,  Jun Deguchi

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。

公开(公告)号：US08143933B2

公开(公告)日：2012-03-27

申请号：US12723822

申请日：2010-03-15

申请人： Jun Deguchi ,  Daisuke Miyashita

发明人： Jun Deguchi ,  Daisuke Miyashita

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。

公开(公告)号：US08135373B2

公开(公告)日：2012-03-13

申请号：US12407957

申请日：2009-03-20

申请人： Jun Deguchi ,  Shouhei Kousai ,  Daisuke Miyashita

发明人： Jun Deguchi ,  Shouhei Kousai ,  Daisuke Miyashita

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.

公开(公告)号：US20090088123A1

公开(公告)日：2009-04-02

申请号：US12240093

申请日：2008-09-29

申请人： Shouhei Kousai ,  Daisuke Miyashita ,  Jun Deguchi

发明人： Shouhei Kousai ,  Daisuke Miyashita ,  Jun Deguchi

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。

公开(公告)号：US08073408B2

公开(公告)日：2011-12-06

申请号：US12489860

申请日：2009-06-23

申请人： Jun Deguchi ,  Daisuke Miyashita ,  Hideyuki Kokatsu

发明人： Jun Deguchi ,  Daisuke Miyashita ,  Hideyuki Kokatsu

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。

公开(公告)号：US08451965B2

公开(公告)日：2013-05-28

申请号：US13053396

申请日：2011-03-22

申请人： Jun Deguchi ,  Daisuke Miyashita ,  Hiroyuki Kobayashi

发明人： Jun Deguchi ,  Daisuke Miyashita ,  Hiroyuki Kobayashi

IPC分类号： H03D1/04 ,  H03D1/06 ,  H03K5/01 ,  H03K6/04 ,  H04B1/10 ,  H04L1/00 ,  H04L25/08

CPC分类号： H03L7/1803 ,  H03L2207/50 ,  H04L27/0014 ,  H04L2027/0053 ,  H04L2027/0069

摘要： According to one embodiment, a semiconductor integrated device includes a digitally controlled oscillator, a counter, a time to digital converter, an adder, and a control signal generator. The time to digital converter includes a frequency-divider, a plurality of impedance elements, and a phase difference detector. The frequency-divider is configured to frequency-divide the oscillation signal to generate a plurality of frequency-divided signals. The plurality of impedance elements is configured to voltage-divide the frequency-divided signals to generate a plurality of delay signals of the oscillation signal. The phase difference detector is configured to output the third digital signal corresponding to the phase difference between the reference signal and the oscillation signal by comparing the reference signal with each of the delay signals.

摘要翻译： 根据一个实施例，半导体集成器件包括数字控制振荡器，计数器，时间到数字转换器，加法器和控制信号发生器。 数字转换器的时间包括分频器，多个阻抗元件和相位差检测器。 分频器被配置为对振荡信号进行分频以产生多个分频信号。 多个阻抗元件被配置为对分频信号进行分压以产生振荡信号的多个延迟信号。 相位差检测器被配置为通过将参考信号与每个延迟信号进行比较来输出与参考信号和振荡信号之间的相位差相对应的第三数字信号。

公开(公告)号：US08362820B2

公开(公告)日：2013-01-29

申请号：US13397742

申请日：2012-02-16

申请人： Jun Deguchi ,  Daisuke Miyashita

发明人： Jun Deguchi ,  Daisuke Miyashita

IPC分类号： H04B1/40 ,  H04B1/26

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。

公开(公告)号：US08233874B2

公开(公告)日：2012-07-31

申请号：US13370101

申请日：2012-02-09

申请人： Jun Deguchi ,  Shouhei Kousai ,  Daisuke Miyashita

发明人： Jun Deguchi ,  Shouhei Kousai ,  Daisuke Miyashita

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.

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 累积信号，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，其执行关于多个基带的信号处理 由混合器产生的信号。

公开(公告)号：US20090318096A1

公开(公告)日：2009-12-24

申请号：US12489860

申请日：2009-06-23

申请人： Jun Deguchi ,  Daisuke Miyashita ,  Hideyuki Kokatsu

发明人： Jun Deguchi ,  Daisuke Miyashita ,  Hideyuki Kokatsu

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。

公开(公告)号：US08340620B2

公开(公告)日：2012-12-25

申请号：US13369536

申请日：2012-02-09

申请人： Shouhei Kousai ,  Daisuke Miyashita ,  Jun Deguchi

发明人： Shouhei Kousai ,  Daisuke Miyashita ,  Jun Deguchi

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。