公开(公告)号：US20090111377A1

公开(公告)日：2009-04-30

申请号：US12234730

申请日：2008-09-22

申请人： Toshiya Mitomo ,  Rui Ito ,  Shoji Otaka

发明人： Toshiya Mitomo ,  Rui Ito ,  Shoji Otaka

IPC分类号： H04B7/14

CPC分类号： H03D7/165 ,  H03D7/1441 ,  H03D7/1458 ,  H03D7/1466

摘要： A frequency converter includes a voltage-current converter circuit which generates a positive-phase input current signal and a negative-phase input current signal, a switching circuit which switches between the positive-phase input current signal and the negative-phase input current signal according to a positive-phase local oscillator signal and a negative-phase local oscillator signal to generate a positive-phase output current signal and a negative-phase output current signal, an amplifier circuit which current-voltage converts and amplifies the positive-phase output current signal and negative-phase output current signal to generate a positive-phase output voltage signal and a negative-phase output voltage signal, and a plurality of CR circuits which are inserted at least either between the voltage-current converter circuit and the switching circuit or between the switching circuit and the amplifier circuit and each of which includes at least one capacitor through which high-frequency components pass and at least one resistance through which low-frequency noise components pass.

摘要翻译： 变频器包括产生正相输入电流信号和负相输入电流信号的电压 - 电流转换器电路，根据正相输入电流信号和负相输入电流信号之间切换的开关电路， 到正相本地振荡器信号和负相位本地振荡器信号以产生正相输出电流信号和负相输出电流信号，电流 - 电压转换和放大正相输出电流的放大器电路 信号和负相输出电流信号，以产生正相输出电压信号和负相输出电压信号，以及至少插入在电压 - 电流转换器电路和开关电路之间的多个CR电路或 在开关电路和放大器电路之间，其中每一个包括至少一个电容器，高频器通过该电容器 ncy分量通过低频噪声分量通过的至少一个电阻。

公开(公告)号：US20100073222A1

公开(公告)日：2010-03-25

申请号：US12407817

申请日：2009-03-20

申请人： Toshiya Mitomo ,  Hiroaki Hoshino ,  Osamu Watanabe ,  Shoji Otaka

发明人： Toshiya Mitomo ,  Hiroaki Hoshino ,  Osamu Watanabe ,  Shoji Otaka

IPC分类号： G01S13/00

CPC分类号： G01S13/345 ,  G01S7/35

摘要： An FMCW signal generator includes a frequency divider to divide the FMCW signal at a preset dividing ratio, a reference signal generator to periodically generate a reference signal at a second time interval not less than a loop time constant set for a PLL, a frequency of the reference signal being discretely swept within a range of fc±Δf (fc is a center frequency, and Δf is a frequency sweep width) at a first time interval not more than the loop time constant, a comparison unit to compare the frequency divided signal with the reference signal to generate a comparison result signal corresponding to a phase difference between the frequency divided signal and the reference signal, a loop filter to filter the comparison result signal to generate a control voltage signal, and a VCO to have an oscillation frequency thereof controlled by the control voltage signal.

摘要翻译： FMCW信号发生器包括分频器，用于以预设的分频比对FMCW信号进行分频，参考信号发生器以不小于为PLL设置的环路时间常数的第二时间间隔周期性地产生参考信号，频率为 参考信号在fc±＆Dgr的范围内离散地扫描; f（fc是中心频率，并且＆Dgr; f是频率扫描宽度）在不大于循环时间常数的第一时间间隔，比较单元 具有参考信号的频率分频信号，以产生对应于分频信号和参考信号之间的相位差的比较结果信号;环路滤波器，用于对比较结果信号进行滤波以产生控制电压信号;以及VCO， 振荡频率由控制电压信号控制。

公开(公告)号：US20080233906A1

公开(公告)日：2008-09-25

申请号：US11926925

申请日：2007-10-29

申请人： Toshiya Mitomo ,  Rui Ito ,  Asuka Maki

发明人： Toshiya Mitomo ,  Rui Ito ,  Asuka Maki

IPC分类号： H03D7/16 ,  H03B19/00

CPC分类号： H03D7/1441 ,  H03D7/1458 ,  H03D7/1466 ,  H03D7/165

摘要： Disclosed is a frequency converter including: a passive type analog multiplier configured to output a multiplication result in a current; a buffer outputting a buffering current by buffering the current of the multiplication result; and a current-voltage converter current-voltage converting the buffering current. Alternately, disclosed is a frequency converter including: a passive type analog multiplier configured to output a multiplication result in a current; a buffer outputting a buffering current by buffering the current of the multiplication result; and an integrator integrating the buffering current to output a voltage.

摘要翻译： 公开了一种变频器，包括：被动型模拟乘法器，被配置为输出电流中的相乘结果; 通过缓冲乘法结果的电流来输出缓冲电流的缓冲器; 和电流 - 电压转换器电流 - 电压转换缓冲电流。 或者，公开了一种变频器，包括：被动型模拟乘法器，被配置为输出电流中的相乘结果; 通过缓冲乘法结果的电流来输出缓冲电流的缓冲器; 以及积分器，其积分缓冲电流以输出电压。

公开(公告)号：US08594593B2

公开(公告)日：2013-11-26

申请号：US12880811

申请日：2010-09-13

申请人： Hiroaki Hoshino ,  Toshiya Mitomo

发明人： Hiroaki Hoshino ,  Toshiya Mitomo

IPC分类号： H01Q11/12 ,  H04B1/04

CPC分类号： H03D7/1441 ,  H03D7/1458

摘要： A frequency converter includes a first pair of transistors including first and second transistors, a second pair of transistors including third and fourth transistors, and a variable impedance circuit. The first transistor includes source terminal being connected to positive-phase input terminal, drain terminal being connected to positive-phase output terminal, and gate terminal being supplied with positive-phase local signal. The second transistor includes source terminal being connected to positive-phase input terminal, drain terminal being connected to negative-phase output terminal, and gate terminal being supplied with negative-phase local signal. The third transistor includes source terminal being connected to negative-phase input terminal, drain terminal being connected to positive-phase output terminal, and gate terminal being supplied with negative-phase local signal. The fourth transistor includes source terminal being connected to negative-phase input terminal, drain terminal being connected to negative-phase output terminal, and gate terminal being supplied with positive-phase local signal.

摘要翻译： 一种变频器包括：第一和第二晶体管的第一对晶体管，包括第三和第四晶体管的第二对晶体管和可变阻抗电路。 第一晶体管包括源极端子连接到正相输入端子，漏极端子连接到正相输出端子，栅极端子被提供有正相本地信号。 第二晶体管包括源极端子连接到正相输入端子，漏极端子连接到负相输出端子，栅极端子被提供负相位本地信号。 第三晶体管包括源极端子连接到负相输入端子，漏极端子连接到正相输出端子，栅极端子被提供负相位本地信号。 第四晶体管包括源极端子连接到负相输入端子，漏极端子连接到负相输出端子，栅极端子被提供有正相本地信号。

公开(公告)号：US08970445B2

公开(公告)日：2015-03-03

申请号：US13398098

申请日：2012-02-16

申请人： Toshiya Mitomo ,  Yukako Tsutsumi ,  Hideo Kasami

发明人： Toshiya Mitomo ,  Yukako Tsutsumi ,  Hideo Kasami

IPC分类号： H01Q1/50 ,  H03H7/38 ,  H04B1/46 ,  H01Q3/00 ,  H01Q7/00 ,  H01Q9/16

CPC分类号： H01Q1/50 ,  H01Q3/00 ,  H01Q7/00 ,  H01Q9/16

摘要： There is provided a radio device including an antenna, a first impedance converting circuit, a second impedance converting circuit and a differential output unit. The antenna has a first terminal and a second terminal to receive a signal. The first impedance converting circuit and the second impedance converting circuit have a first impedance and a second impedance, respectively. The first impedance and the second impedance each are controllable. One end of the first impedance converting circuit and one end of the second impedance converting circuit are connected to the first terminal and the second terminal of the antenna, respectively. The differential output unit is connected to the other end of the first impedance converting circuit and the other end of the second impedance converting circuit through which the signal received by the antenna is input to the differential output unit, and transform the signal into a differential signal.

摘要翻译： 提供了一种无线电设备，包括天线，第一阻抗转换电路，第二阻抗转换电路和差分输出单元。 天线具有接收信号的第一端子和第二端子。 第一阻抗转换电路和第二阻抗转换电路分别具有第一阻抗和第二阻抗。 第一阻抗和第二阻抗各自是可控的。 第一阻抗转换电路的一端和第二阻抗转换电路的一端分别连接到天线的第一端子和第二端子。 差分输出单元连接到第一阻抗转换电路的另一端和第二阻抗转换电路的另一端，由天线接收的信号通过该另一端输入到差分输出单元，并将该信号变换成差分信号 。

公开(公告)号：US08253245B2

公开(公告)日：2012-08-28

申请号：US13052192

申请日：2011-03-21

申请人： Naoko Ono ,  Toshiya Mitomo

发明人： Naoko Ono ,  Toshiya Mitomo

IPC分类号： H01L23/34

CPC分类号： H01L23/48 ,  H01L23/49838 ,  H01L23/66 ,  H01L24/48 ,  H01L24/49 ,  H01L24/73 ,  H01L2223/6677 ,  H01L2223/6688 ,  H01L2224/05554 ,  H01L2224/16225 ,  H01L2224/16227 ,  H01L2224/32225 ,  H01L2224/48227 ,  H01L2224/49171 ,  H01L2224/73204 ,  H01L2224/73265 ,  H01L2924/00014 ,  H01L2924/10162 ,  H01L2924/15311 ,  H01Q23/00 ,  H01L2924/00 ,  H01L2924/00012 ,  H01L2224/0401 ,  H01L2224/45099 ,  H01L2224/45015 ,  H01L2924/207

摘要： A communication device according to an embodiment includes an antenna transmitting/receiving a high frequency signal, a semiconductor chip having four corners and four sides processing the high frequency signal, and a substrate on which a first wiring connected to ground, a second wiring supplying power to the semiconductor chip, a third wiring connected to a protection element or circuit of the semiconductor chip, and fourth wirings transmitting a signal from the semiconductor chip are formed by plating, and the semiconductor chip is mounted.

摘要翻译： 根据实施例的通信设备包括发送/接收高频信号的天线，具有处理高频信号的四个角和四边的半导体芯片和其上连接到地的第一布线的基板，第二布线供电功率 通过电镀形成连接到半导体芯片的保护元件或电路的第三布线和从半导体芯片发送信号的第四布线，并且安装半导体芯片。

公开(公告)号：US20120064835A1

公开(公告)日：2012-03-15

申请号：US13036762

申请日：2011-02-28

申请人： Tong Wang ,  Toshiya Mitomo

发明人： Tong Wang ,  Toshiya Mitomo

IPC分类号： H01P1/10 ,  H04W88/02

CPC分类号： H01P1/127 ,  H04B1/48 ,  H04W88/02

摘要： According to one embodiment of the present invention, there is provided a high-frequency switching circuit including a first differential line and third line. The differential line includes a first line configured to have one end and an other end, a second line configured to have one end and an other end and a first switch configured to switch electrical connection between the one ends of the first and second lines. The differential line receives or outputs differential signals by the other ends of the first and second lines. The third line is configured to be electromagnetically coupled with the first differential line when the first switch is turned on. The first switch is arranged at a position where an electrical length from the other end of the first line and an electrical length from the other end of the second line are approximately equal.

摘要翻译： 根据本发明的一个实施例，提供了一种包括第一差分线和第三线的高频开关电路。 差动线包括被配置为具有一端和另一端的第一线，被配置为具有一端和另一端的第二线和被配置为切换第一线和第二线的一端之间的电连接的第一开关。 差分线由第一和第二线的另一端接收或输出差分信号。 第三线被配置为当第一开关导通时与第一差分线电磁耦合。 第一开关布置在从第一线的另一端的电长度和来自第二线的另一端的电长度近似相等的位置处。

公开(公告)号：US20100315175A1

公开(公告)日：2010-12-16

申请号：US12807160

申请日：2009-03-06

申请人： Naoko Ono ,  Toshiya Mitomo

发明人： Naoko Ono ,  Toshiya Mitomo

IPC分类号： H01P5/10

CPC分类号： H01P5/10

摘要： According to an aspect of the present invention, there is provided a Marchand balun including: a half-wavelength first line including: a first end configured to input or output the single-mode signal; a second end electrically opened; and a center; and quarter-wavelength second and third lines each including: a third end configured to input or output the differential-mode signal; and a fourth end connected to a ground, wherein a thickness of the first line at the center is thicker than those at the first and second ends, and wherein thicknesses of the second and third lines at the fourth ends are thicker than those at the third ends.

摘要翻译： 根据本发明的一个方面，提供了一种包括：半波长第一线的Marchand平衡 - 不平衡变换器，包括：被配置为输入或输出单模信号的第一端; 第二端电开; 和一个中心; 和四分之一波长的第二和第三线，每个包括：被配置为输入或输出差分模式信号的第三端; 以及连接到地面的第四端，其中所述第一线在所述中心处的厚度大于所述第一端和所述第二端处的厚度，并且其中所述第四端的第二线和第三线的厚度比所述第三端处的厚度大 结束。

公开(公告)号：US20100245160A1

公开(公告)日：2010-09-30

申请号：US12557853

申请日：2009-09-11

申请人： Hiroki Sakurai ,  Hiroaki Ishihara ,  Toshiya Mitomo

发明人： Hiroki Sakurai ,  Hiroaki Ishihara ,  Toshiya Mitomo

IPC分类号： G01S13/00

CPC分类号： G01S7/4008 ,  G01S13/345 ,  H03C3/08 ,  H03C3/09

摘要： An FMCW signal generation circuit includes: an oscillator configured to oscillate in an oscillation frequency that is variable in accordance with a control signal being input thereto and output an FMCW signal having the oscillation frequency; a phase detector configured to detect a phase of the FMCW signal; a first differentiator configured to obtain a frequency by differentiating the phase detected by the phase detector; a second differentiator configured to obtain a frequency variation rate by differentiating the frequency obtained by the first differentiator; a subtractor configured to calculate an error between a set frequency variation rate that is set at a given value and the frequency variation rate obtained by the second differentiator; and an integrator configured to generate the control signal for controlling the oscillation frequency of the oscillator by integrating the error calculated by the subtractor.

摘要翻译： FMCW信号发生电路包括：振荡器，被配置为以根据输入的控制信号可变的振荡频率振荡，并输出具有振荡频率的FMCW信号; 相位检测器，被配置为检测所述FMCW信号的相位; 第一微分器，被配置为通过对由相位检测器检测到的相位进行微分来获得频率; 第二微分器，被配置为通过区分由第一微分器获得的频率来获得频率变化率; 减法器，被配置为计算设定在给定值的设定频率变化率与由所述第二微分器获得的频率变化率之间的误差; 以及积分器，被配置为通过对由减法器计算的误差进行积分来产生用于控制振荡器的振荡频率的控制信号。

公开(公告)号：US08190117B2

公开(公告)日：2012-05-29

申请号：US12207785

申请日：2008-09-10

申请人： Toshiya Mitomo ,  Osamu Watanabe

发明人： Toshiya Mitomo ,  Osamu Watanabe

IPC分类号： H04B1/26 ,  H04B1/28 ,  H01Q11/12

CPC分类号： H03D7/1441 ,  H03D7/1458 ,  H03D7/165 ,  H03D2200/0047 ,  H03D2200/0084

摘要： A mixer circuit includes a voltage-to-current converter which converts a positive phase input voltage signal and a reversed phase input voltage signal input to a first input terminal and a second input terminal into a positive phase current signal and a reversed phase current signal, a switching circuit switches over the positive phase current signal and the reversed phase current signal according to a positive phase local signal and a reversed phase local signal, and generates a positive phase output current signal and a reversed phase output current signal, and an impedance element connected between the first common terminal and the second common terminal, having a relatively high impedance to a differential-mode signal between the positive phase current signal and the reversed phase current signal, and having a relatively low impedance to a common-mode signal between the positive phase current signal and the reversed phase current signal.

摘要翻译： 混频器电路包括电压 - 电流转换器，其将输入到第一输入端子和第二输入端子的正相输入电压信号和反相输入电压信号转换为正相电流信号和反相电流信号， 开关电路根据正相本地信号和反相本地信号切换正相电流信号和反相电流信号，并产生正相输出电流信号和反相输出电流信号，以及阻抗元件 连接在第一公共端子和第二公共端子之间，对正相电流信号和反相电流信号之间的差分模式信号具有相对较高的阻抗，并且具有相对较低的阻抗， 正相电流信号和反相电流信号。