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1. 发明专利

JP2014072859A Signal generation apparatus and wireless apparatus 审中-公开
标题翻译：信号发生装置和无线装置
公开(公告)号：JP2014072859A
公开(公告)日：2014-04-21
申请号：JP2012219718
申请日：2012-10-01
申请人： Toshiba Corp , 株式会社東芝
发明人： HOSHINO HIROAKI
IPC分类号： H04B1/26 , H03B19/00 , H03B21/00 , H03D7/00
CPC分类号： H04B1/26 , H03D7/163 , H03L7/18
摘要： PROBLEM TO BE SOLVED: To create local signals for each of frequency conversions executed by a plurality of times with a low circuit area or low power consumption.SOLUTION: A signal generation apparatus includes a signal generator and a local signal creation section. The signal generator creates a signal with fixed frequency. The local signal creation section creates a first local signal that is used to frequency-converts a first signal and a second local signal that is used to frequency-converts a second signal as the frequency-converted first signal and that has a different frequency from the first local signal, on the basis of the signal with fixed frequency.
摘要翻译：要解决的问题：为了产生具有低电路面积或低功耗的多次执行的每个频率转换的本地信号。解决方案：信号发生装置包括信号发生器和本地信号产生部分。信号发生器产生固定频率的信号。本地信号产生部分产生用于频率转换第一信号和第二本地信号的第一本地信号，所述第一信号和第二本地信号用于频率转换第二信号作为频率转换的第一信号，并且具有与第一个本地信号，基于固定频率的信号。

2. 发明专利

JP2012075000A Phase-locked loop and radio unit 审中-公开
标题翻译：相位锁定环路和无线电单元
公开(公告)号：JP2012075000A
公开(公告)日：2012-04-12
申请号：JP2010219269
申请日：2010-09-29
申请人： Toshiba Corp , 株式会社東芝
发明人： HOSHINO HIROAKI
IPC分类号： H03L7/08 , H03K5/26 , H03L7/095 , H03L7/10 , H03L7/113 , H03L7/199
CPC分类号： H03L7/089
摘要： PROBLEM TO BE SOLVED: To shorten the settling time of a phase-locked loop.SOLUTION: The phase-locked loop includes: a voltage-controlled oscillator for generating an oscillation signal including an oscillation frequency depending on a control signal; a divider for dividing the frequency of the oscillation signal to generate a frequency-divided signal; a phase comparator for comparing the phase of the frequency-divided signal with the phase of a reference signal to generate a comparison signal; a charge pump for outputting a current depending on the comparison signal; a filter for filtering the current to generate the control signal; a frequency difference detection circuit for generating a detection signal when a difference between the value of a constant multiple of the frequency of the frequency-divided signal and the value of a constant multiple of the frequency of the reference signal is a minimum; and a phase adjustment circuit for synchronizing the phase of the frequency-divided signal with the phase of the reference signal when the detection signal is generated.
摘要翻译：要解决的问题：缩短锁相环的建立时间。解锁：锁相环包括：压控振荡器，用于根据控制信号产生包括振荡频率的振荡信号; 分频器，用于分频振荡信号的频率以产生分频信号; 相位比较器，用于将分频信号的相位与参考信号的相位进行比较，以产生比较信号; 用于根据比较信号输出电流的电荷泵; 用于对电流进行滤波以产生控制信号的滤波器; 频差检测电路，用于当分频信号的频率的恒定倍数的值与参考信号的频率的常数倍的值之间的差最小时产生检测信号; 以及相位调整电路，用于当产生检测信号时使分频信号的相位与参考信号的相位同步。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2010154270A Pll circuit, and radio 有权
标题翻译： PLL电路和无线电
公开(公告)号：JP2010154270A
公开(公告)日：2010-07-08
申请号：JP2008330652
申请日：2008-12-25
申请人： Toshiba Corp , 株式会社東芝
发明人： HOSHINO HIROAKI , WATANABE OSAMU , OTAKA SHOJI , ITAKURA TETSURO
IPC分类号： H03L7/099 , H03B5/00 , H03B5/12 , H03L7/08
CPC分类号： H03L7/099 , H03L7/0891 , H03L7/18
摘要： PROBLEM TO BE SOLVED: To provide a PLL circuit and a radio in which a phase error is small, and oscillation signal accuracy is high.
SOLUTION: The PLL circuit includes a voltage controlled oscillator having a first oscillation unit for producing a first differential signal and a second oscillation unit for producing a second differential signal having a phase difference of 90 degrees with the first difference signal, a phase comparator for comparing a phase of a third difference signal based on the first and second difference signals with a phase of a reference signal, and a loop filter for producing a control voltage for controlling the voltage controlled oscillator based on a comparison result of the phase comparator.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供相位误差小的PLL电路和无线电装置，并且振荡信号精度高。解决方案：PLL电路包括具有用于产生第一差分信号的第一振荡单元和第二振荡单元的压控振荡器，用于产生与第一差分信号具有90度相位差的第二差分信号，相位比较器，用于基于第一和第二差分信号与参考信号的相位比较第三差分信号的相位;以及环路滤波器，用于基于相位比较器的比较结果产生用于控制压控振荡器的控制电压。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2010071899A Fmcw signal generator and radar apparatus using the fmcw signal generator 审中-公开
标题翻译： FMCW信号发生器和雷达装置使用FMCW信号发生器
公开(公告)号：JP2010071899A
公开(公告)日：2010-04-02
申请号：JP2008241766
申请日：2008-09-19
申请人： Toshiba Corp , 株式会社東芝
发明人： MITOMO TOSHIYA , HOSHINO HIROAKI , WATANABE OSAMU , OTAKA SHOJI
IPC分类号： G01S13/536 , G01S13/93
CPC分类号： G01S13/345 , G01S7/35
摘要： PROBLEM TO BE SOLVED: To provide an FMCW signal generator which is suitable for realizing a low-cost radar transmission and reception IC haiving low power consumption, using a reference signal generating part having relatively low speed/low resolution. SOLUTION: The FMCW signal generator using PLL includes: a divider for dividing a frequency modulated continuous wave signal (FMCW) at a prescribed frequency division ratio and generating a frequency division signal; a reference signal generating part for generating a reference signal, in which the frequency is discretely swept at a first time interval equal to or less than the loop time constant of the PLL over a range of fc±Δf, and the sweeping is periodically repeated at a second time interval equal to or more than the loop time constant; a comparison part for comparing the frequency division signal with the reference signal and generating a comparison result signal, corresponding to the phase difference between the frequency division signal and the reference signal; a loop filter for filtering the comparison result signal and generating a control voltage signal; and a voltage-controlled oscillator for generating the FMCW signal with the oscillation frequency controlled by the control voltage signal. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种FMCW信号发生器，其适用于实现低功耗的低成本雷达发射和接收IC，使用具有相对低速/低分辨率的参考信号产生部分。解决方案：使用PLL的FMCW信号发生器包括：分频器，用于以规定的分频比分频调频连续波信号（FMCW）并产生分频信号; 用于产生参考信号的参考信号产生部分，其中频率在等于或小于PLL的环路时间常数的第一时间间隔在fc±Δf的范围内离散地扫描，并且扫描周期性地重复等于或大于循环时间常数的第二时间间隔; 比较部分，用于将分频信号与参考信号进行比较，并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; 用于对比较结果信号进行滤波并产生控制电压信号的环路滤波器; 以及用于产生具有由控制电压信号控制的振荡频率的FMCW信号的压控振荡器。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2008053784A Voltage-controlled oscillator, bias device for voltage-controlled oscillator, and bias adjusting program for voltage-controlled oscillator 审中-公开
标题翻译：用于电压控制的振荡器的电压控制振荡器，偏置装置和用于电压控制的振荡器的偏置调节程序
公开(公告)号：JP2008053784A
公开(公告)日：2008-03-06
申请号：JP2006224989
申请日：2006-08-22
申请人： Toshiba Corp , 株式会社東芝
发明人： HOSHINO HIROAKI , OTAKA SHOJI , TACHIBANA RYOICHI
IPC分类号： H03B5/08 , H03B5/12
CPC分类号： H03L5/00
摘要： PROBLEM TO BE SOLVED: To provide a voltage-controlled oscillator capable of suppressing phase noise in a stationary state and speedily entering the suppression state, and a bias device and a bias adjusting program for the voltage-controlled oscillator.
SOLUTION: The voltage-controlled oscillator has first and second elements capable of adjusting a current under control from outside, an oscillation circuit which oscillates when a bias current is supplied and can oscillate in a first state wherein the first element adjusts the bias current and in a second state wherein the second element adjusts the bias current, a switching circuit capable of switching the first state to second state and vice versa, a current estimating circuit which estimates the bias current in the first state as a first current, and a control circuit which controls the second element to supply a second current corresponding to the first current as the bias current of the oscillation circuit in the second state.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供能够抑制静止状态下的相位噪声并快速进入抑制状态的压控振荡器，以及用于压控振荡器的偏置装置和偏置调节程序。解决方案：压控振荡器具有第一和第二元件，其能够调节来自外部的控制下的电流;振荡电路，其在提供偏置电流时振荡并且可在第一状态下振荡，其中第一元件调节偏压电流和第二状态，其中第二元件调整偏置电流，能够将第一状态切换到第二状态的开关电路，反之亦然;将第一状态中的偏置电流估计为第一电流的电流估计电路，以及控制电路，其控制第二元件以提供与第一电流相对应的第二电流作为第二状态下的振荡电路的偏置电流。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2011205600A Frequency converter and transmitter employing the same 有权
标题翻译：使用频率转换器和发送器
公开(公告)号：JP2011205600A
公开(公告)日：2011-10-13
申请号：JP2010073702
申请日：2010-03-26
申请人： Toshiba Corp , 株式会社東芝
发明人： HOSHINO HIROAKI , MITOMO TOSHIYA
IPC分类号： H03D7/12 , H03D7/14 , H04B1/04
CPC分类号： H03D7/1441 , H03D7/1458
摘要： PROBLEM TO BE SOLVED: To provide a frequency converter which is constant in the lowering of input impedance even if a local signal frequency is varied.SOLUTION: A frequency converter includes a first pair 101 of transistors including first and second transistors, a second pair 102 of transistors including third and fourth transistors, and a variable impedance circuit 103. The first transistor includes a source terminal connected to a positive-phase input terminal, a drain terminal connected to a positive-phase output terminal, and a gate terminal supplied with a positive-phase local signal. The second transistor includes a source terminal connected to the positive-phase input terminal, a drain terminal connected to a negative-phase output terminal, and a gate terminal supplied with a negative-phase local signal. The third transistor includes a source terminal connected to a negative-phase input terminal, a drain terminal connected to the positive-phase output terminal, and a gate terminal supplied with the negative-phase local signal. The fourth transistor includes a source terminal connected to the negative-phase input terminal, a drain terminal connected to the negative-phase output terminal, and a gate terminal supplied with the positive-phase local signal. The variable impedance circuit includes one terminal connected to the positive-phase input terminal and the other terminal connected to the negative-phase input terminal and changes an impedance value in accordance with a local signal frequency.
摘要翻译：要解决的问题：提供即使本地信号频率变化也降低输入阻抗恒定的频率转换器。解决方案：一种频率转换器，包括第一和第二晶体管的第一对晶体管101，第二对102 包括第三和第四晶体管的晶体管和可变阻抗电路103.第一晶体管包括连接到正相输入端的源极端子，连接到正相输出端子的漏极端子和被提供有正相局部信号。第二晶体管包括连接到正相输入端的源极端子，连接到负相输出端子的漏极端子和被提供有负相位本征信号的栅极端子。第三晶体管包括连接到负相输入端的源极端子，连接到正相输出端子的漏极端子和被提供有负相位本地信号的栅极端子。第四晶体管包括连接到负相输入端的源极端子，连接到负相输出端子的漏极端子和提供有正相局部信号的栅极端子。可变阻抗电路包括连接到正相输入端子的一个端子和连接到负相输入端子的另一个端子，并且根据本地信号频率改变阻抗值。

7. 发明专利

JP2010219769A Oscillator circuit and radio set using the oscillator circuit 审中-公开
标题翻译：使用振荡器电路的振荡器电路和无线电设置
公开(公告)号：JP2010219769A
公开(公告)日：2010-09-30
申请号：JP2009063088
申请日：2009-03-16
申请人： Toshiba Corp , 株式会社東芝
发明人： HOSHINO HIROAKI , MITOMO TOSHIYA
IPC分类号： H03B5/12
CPC分类号： H03B5/1228 , H03B5/1215 , H03B5/1243
摘要： PROBLEM TO BE SOLVED: To provide an oscillator which can provide a harmonic signal having a large signal amplitude. SOLUTION: This oscillator circuit includes: a one conductive type or a reverse conductive type first MOS transistor 20; a load element 30 connected to a drain terminal of the first MOS transistor 20; and a fundamental oscillator 40 which is connected to a source terminal of the first MOS transistor 20 to output the harmonic signal. This oscillator circuit outputs an amplification signal of the harmonic signal output from the fundamental oscillator 40 from the drain terminal of the first MOS transistor 20. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够提供具有大的信号幅度的谐波信号的振荡器。解决方案：该振荡电路包括：一个导电型或反向导电型第一MOS晶体管20; 连接到第一MOS晶体管20的漏极端子的负载元件30; 以及连接到第一MOS晶体管20的源极端子以输出谐波信号的基本振荡器40。该振荡电路从第一MOS晶体管20的漏极端子输出从基本振荡器40输出的谐波信号的放大信号。（C）2010，JPO＆INPIT

8. 发明专利

JP2008236557A Frequency synthesizer and radio communication apparatus using same 审中-公开
标题翻译：使用相同的频率合成器和无线电通信装置
公开(公告)号：JP2008236557A
公开(公告)日：2008-10-02
申请号：JP2007075501
申请日：2007-03-22
申请人： Toshiba Corp , 株式会社東芝
发明人： TACHIBANA RYOICHI , OTAKA SHOJI , WATANABE OSAMU , HOSHINO HIROAKI
IPC分类号： H03L7/187 , H03L7/08 , H03L7/087 , H03L7/10 , H04B1/40
CPC分类号： H03L7/113 , H03B5/1215 , H03B5/1228 , H03B5/1253 , H03L7/0891 , H03L7/099 , H03L7/18
摘要： PROBLEM TO BE SOLVED: To enlarge an operation frequency range while preventing area expansion caused by the use of an inductor, yield reduction caused by manufacture variation, and the like. SOLUTION: There are provided a voltage controlled oscillator 106 which oscillates at a frequency controlled by a control voltage and outputs an oscillation signal; a prescaler 107 capable of controlling a free-running frequency to frequency-divide the oscillation signal and output a first frequency division signal; a programmable divider 102 which frequency-divides the first frequency division signal and outputs a second frequency division signal; and a phase comparator 108 which compares a phase of the second frequency division signal with the phase of a reference clock signal and outputs a signal corresponding to a phase difference. There are further provided a control voltage generating section for generating the control voltage in accordance with the phase difference; a frequency comparator 103 which compares the frequency of the second frequency division signal with that of the reference clock signal and outputs a signal corresponding to the frequency difference; and a control section 109 which controls the free-running frequency so as to minimize the frequency difference in accordance with the signal corresponding to the frequency difference. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了在防止使用电感器引起的区域膨胀的同时扩大工作频率范围，由制造变化引起的成品率降低等。解决方案：提供了一个压控振荡器106，其以由控制电压控制的频率振荡并输出振荡信号; 预分频器107，其能够控制自由运行的频率以对振荡信号进行分频并输出第一分频信号; 可编程分频器102，其对第一分频信号进行分频并输出第二分频信号; 以及相位比较器108，其将第二分频信号的相位与参考时钟信号的相位进行比较，并输出与相位差对应的信号。还提供一个用于根据相位差产生控制电压的控制电压产生部分; 频率比较器103，其将第二分频信号的频率与参考时钟信号的频率进行比较，并输出与频率差相对应的信号; 以及控制部分109，其控制自由运行频率，以便根据与频率差对应的信号使频差最小化。版权所有（C）2009，JPO＆INPIT

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