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1. 发明专利

JP2014204236A バイアス回路、増幅器有权
标题翻译：偏置电路和放大器
公开(公告)号：JP2014204236A
公开(公告)日：2014-10-27
申请号：JP2013077906
申请日：2013-04-03
申请人：株式会社東芝 , Toshiba Corp
发明人： KAWAI SHUSUKE , HOSOYA MASAHIRO , WANG TOH , MITOMO TOSHIYA , SAEGUSA SHIGETO , ITAKURA TETSURO
IPC分类号： H03F1/30 , H03F3/193
CPC分类号： H03F1/301 , H03F2200/18 , H03F2200/447 , H03F2200/78
摘要：【課題】周辺環境の変化によって生じる利得の減少を抑制することのできるバイアス回路とこれを用いた増幅器を提供する【解決手段】実施形態に係るバイアス回路は、増幅素子にバイアス電圧を供給するバイアス回路である。実施形態のバイアス回路は、周囲の温度変化に応じて出力電流が変化する特性をもつ第1の電流源と、前記第1の電流源とは異なる出力特性を有し出力電流を制御可能な第2の電流源とを有する。さらに、実施形態のバイアス回路は、前記第1の電流源の出力電流および前記第2の電流源の出力電流を比較する比較部と、前記比較部の比較結果に基づいて前記第2の電流源の出力電流を制御するとともに、前記比較結果に応じたバイアス電圧を前記増幅素子に供給するバイアス供給部とを有する。【選択図】図1
摘要翻译：要解决的问题：提供抑制由周围环境变化引起的增益降低的偏置电路，并提供其放大器。根据实施例的偏置电路是用于提供偏置电压的偏置电路到放大元件。该实施例的偏置电路包括特征性地具有根据环境温度变化而变化的输出电流的第一电流源和具有与第一电流源不同的输出特性并且能够控制输出电流的第二电流源。该实施例的偏置电路还包括比较部分，用于比较第一电流源的输出电流和第二电流源的输出电流;以及偏置电源部分，用于基于第二电流源的输出电流来控制第二电流源的输出电流比较部分的比较结果，并根据比较结果向放大元件提供偏置电压。

2. 发明专利

JP2014039109A Power amplifier and transmitter 有权
标题翻译：功率放大器和发射器
公开(公告)号：JP2014039109A
公开(公告)日：2014-02-27
申请号：JP2012179485
申请日：2012-08-13
申请人： Toshiba Corp , 株式会社東芝
发明人： ONIZUKA KOHEI , SAEGUSA SHIGETO
IPC分类号： H03F1/02 , H03F1/06 , H03F1/32 , H03F3/24 , H03F3/68 , H04B1/04
CPC分类号： H03F1/0216 , H03F1/02 , H03F1/025 , H03F1/3211 , H03F3/19 , H03F3/211 , H03F3/217 , H03F3/24 , H03F3/245 , H03F3/45475 , H03F2200/102 , H03F2200/421 , H03F2200/451 , H03F2203/21196 , H03F2203/45138 , H03F2203/45731 , H04B1/0475 , H04B2001/045 , H04L25/03
摘要： PROBLEM TO BE SOLVED: To improve back-off efficiency without significantly compromising linearity even if a plurality of supply voltages cannot be supplied.SOLUTION: A power amplifier according to an embodiment includes at least two, first and second, amplifier units, a first switch element, a second switch element and a third switch element. The first and second amplifier units each include a power terminal, a ground terminal, an input terminal and an output terminal, and amplify a signal received at the input terminal in accordance with a voltage between the power terminal and the ground terminal to make an output from the output terminal. The first switch element is connected between the ground terminal of the first amplifier unit and the power terminal of the second amplifier unit. The second switch element is connected between the ground terminal of the first amplifier unit and a first reference voltage. The third switch element is connected between the power terminal of the second amplifier unit and a second reference voltage.
摘要翻译：要解决的问题：即使不能提供多个电源电压，也可以提高退避效率而不显着影响线性度。根据实施例的功率放大器包括至少两个第一和第二放大器单元，第一开关元件，第二开关元件和第三开关元件。第一和第二放大器单元各自包括电源端子，接地端子，输入端子和输出端子，并且根据电力端子和接地端子之间的电压放大在输入端子接收的信号，以输出从输出端子。第一开关元件连接在第一放大器单元的接地端子和第二放大器单元的电源端子之间。第二开关元件连接在第一放大器单元的接地端子和第一参考电压之间。第三开关元件连接在第二放大器单元的电源端子和第二参考电压之间。

3. 发明专利

JP2013038634A Power amplifier and power transmission apparatus 有权
标题翻译：功率放大器和功率变送器
公开(公告)号：JP2013038634A
公开(公告)日：2013-02-21
申请号：JP2011173734
申请日：2011-08-09
申请人： Toshiba Corp , 株式会社東芝
发明人： ONIZUKA KOHEI , SAEGUSA SHIGETO
IPC分类号： H03F1/02 , H02J17/00 , H03F3/217
CPC分类号： H03F1/565 , H03F1/56 , H03F3/21 , H03F3/2176
摘要： PROBLEM TO BE SOLVED: To keep amplification efficiency intact without requiring a switching frequency correction.SOLUTION: According to an embodiment, a power amplifier includes a switch element, a variable passive element, a sampler and a comparator. The switch element has a first terminal, a second terminal and a control terminal, and short-circuits the first terminal and the second terminal in response to a first edge of an input drive pulse supplied to the control terminal. The variable passive element has an effect of varying a resonance frequency of the power amplifier. The sampler samples a voltage of interest based on at least either of a first voltage between the first terminal and the second terminal and a second voltage resulting from current-voltage conversion of an output current of the power amplifier in response to the first edge. The comparator compares the voltage of interest with a reference voltage, and outputs a control voltage for the variable passive element on the basis of a difference between the voltage of interest and the reference voltage.
摘要翻译：要解决的问题：为了保持放大效率，无需开关频率校正。解决方案：根据实施例，功率放大器包括开关元件，可变无源元件，采样器和比较器。开关元件具有第一端子，第二端子和控制端子，并且响应于提供给控制端子的输入驱动脉冲的第一边缘使第一端子和第二端子短路。可变无源元件具有改变功率放大器的谐振频率的效果。采样器基于第一端子和第二端子之间的第一电压中的至少一个以及响应于第一边缘的功率放大器的输出电流的电流 - 电压转换而产生的第二电压来对感兴趣的电压进行采样。比较器将感兴趣的电压与参考电压进行比较，并且基于感兴趣的电压和参考电压之间的差来输出可变无源元件的控制电压。版权所有（C）2013，JPO＆INPIT

4. 发明专利

JP2012120267A Charge controller 审中-公开
标题翻译：充电控制器
公开(公告)号：JP2012120267A
公开(公告)日：2012-06-21
申请号：JP2010265341
申请日：2010-11-29
申请人： Toshiba Corp , 株式会社東芝
发明人： MASUMOTO HIROSHI , SAEGUSA SHIGETO
IPC分类号： H02J7/10 , H01M10/44 , H01M10/48 , H02J7/34
CPC分类号： H02J7/0052 , H02J2007/0059
摘要： PROBLEM TO BE SOLVED: To provide a charge controller capable of suppressing power consumption.SOLUTION: A charge controller includes: a DC-DC converter that performs DC-DC conversion of an input voltage input through an input terminal and outputs an obtained output voltage to an output terminal; and a switching control circuit that controls the DC-DC converter. The charge controller includes an output voltage detection circuit that detects an output voltage. In addition, the charge controller includes: a battery current detection circuit that detects a battery current running through between a battery terminal and the output terminal; and a battery voltage detection circuit that detects a battery voltage of the battery terminal. Further, the charge controller includes: a first switch MOS transistor connected between the output terminal and the battery terminal; and a voltage control circuit that controls the operation of the first switch MOS transistor in response to the battery voltage.
摘要翻译：要解决的问题：提供能够抑制功耗的充电控制器。解决方案：充电控制器包括：DC-DC转换器，其通过输入端子输入的输入电压进行DC-DC转换，并将获得的输出电压输出到输出端子; 以及控制DC-DC转换器的开关控制电路。充电控制器包括检测输出电压的输出电压检测电路。另外，充电控制器包括：电池电流检测电路，其检测在电池端子和输出端子之间流过的电池电流; 以及电池电压检测电路，其检测电池端子的电池电压。此外，充电控制器包括：连接在输出端子和电池端子之间的第一开关MOS晶体管; 以及电压控制电路，其响应于所述电池电压来控制所述第一开关MOS晶体管的操作。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2011205294A Receiver 审中-公开
标题翻译：接收器
公开(公告)号：JP2011205294A
公开(公告)日：2011-10-13
申请号：JP2010069399
申请日：2010-03-25
申请人： Toshiba Corp , 株式会社東芝
发明人： ISHII MASAHITO , YOSHIDA YOSHIHIRO , ADACHI TOSHIMASA , SAEGUSA SHIGETO , TAKITA TAKAYUKI
IPC分类号： H04B1/16 , H04B1/30 , H04N5/44
CPC分类号： H03M3/486 , H03M3/49 , H04B1/0021 , H04B1/06 , H04H40/00 , H04H40/27 , H04N5/52 , H04N7/102 , H04N21/42638 , H04N21/4382 , Y02D70/00 , Y02D70/168 , Y02D70/40
摘要： PROBLEM TO BE SOLVED: To provide a receiver capable of further reducing consumption power.SOLUTION: The receiver includes an amplifier 20 (first amplifier) amplifying a receiving signal from the outside and a decimation filter 30 decimating a signal converted into a digital signal. The receiver further includes a channel selecting filter 31 selecting D waves (desired waves) contained in the signal from a decimation filter 30 and a DAGC 33 (second amplifier) amplifying the D waves (desired waves) selected by the channel selecting filter 31.
摘要翻译：要解决的问题：提供能够进一步降低消耗功率的接收机。解决方案：接收机包括放大来自外部的接收信号的放大器20（第一放大器）和对被转换为数字信号的信号进行抽取的抽取滤波器30。接收机还包括选择来自抽取滤波器30的信号中包含的D波（期望波）和放大由频道选择滤波器31选择的D波（期望波）的DAGC 33（第二放大器）的频道选择滤波器31。

6. 发明专利

JP2009118258A Voltage-current conversion circuit 审中-公开
标题翻译：电流转换电路
公开(公告)号：JP2009118258A
公开(公告)日：2009-05-28
申请号：JP2007289942
申请日：2007-11-07
申请人： Toshiba Corp , 株式会社東芝
发明人： ARAI TADASHI , SAEGUSA SHIGETO
IPC分类号： H03F3/34 , H03D7/14 , H03F1/32
摘要： PROBLEM TO BE SOLVED: To provide a voltage-current conversion circuit that can conduct voltage and current conversion having low distortions.
SOLUTION: This voltage-current conversion circuit 30 is provided with a bias circuit 1, a capacitor C1, a capacitor C2, NPN transistors NT1-4 and impedance elements Z1-5. In the NPN transistor NT1, RF input voltage Vin(+) is inputted to the base, and in the NPN transistor NT2, RF input voltage Vin(-) which is opposite in phase to that of the RF input voltage Vin(+) is inputted to the base (a control terminal). The impedance element Z1 is connected at one end to the base of the NPN transistor NT1. The impedance element Z2 is connected at one end to the base of the NPN transistor NT2, and the other end is connected to the other end of the impedance element Z1. Voltage is supplied from the bias circuit 1 to the other end of the impedance elements Z1 and Z2, and a differential voltage, substantially equal to {Vin(+)-Vin(-)}, is impressed on both ends of the impedance element Z3 and the impedance element Z4.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供能够进行具有低失真的电压和电流转换的电压 - 电流转换电路。解决方案：该电压 - 电流转换电路30设置有偏置电路1，电容器C1，电容器C2，NPN晶体管NT1-4和阻抗元件Z1-5。在NPN晶体管NT1中，RF输入电压Vin（+）输入到基极，在NPN晶体管NT2中，与RF输入电压Vin（+）相反的RF输入电压Vin（ - ）为输入到基座（控制端子）。阻抗元件Z1的一端连接到NPN晶体管NT1的基极。阻抗元件Z2的一端连接到NPN晶体管NT2的基极，另一端连接到阻抗元件Z1的另一端。电压从偏置电路1提供给阻抗元件Z1和Z2的另一端，并且基本上等于äVin（+） - Vin（ - ）}的差分电压施加在阻抗元件Z3的两端，并且阻抗元件Z4。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2014063991A Semiconductor device, high-frequency transmission device, and semiconductor manufacturing method 审中-公开
标题翻译：半导体器件，高频传输器件和半导体器件制造方法
公开(公告)号：JP2014063991A
公开(公告)日：2014-04-10
申请号：JP2013165361
申请日：2013-08-08
申请人： Toshiba Corp , 株式会社東芝
发明人： KAWAI SHUSUKE , MITOMO TOSHIYA , SAEGUSA SHIGETO , ITAKURA TETSURO
IPC分类号： H01L21/822 , H01L21/3205 , H01L21/768 , H01L23/522 , H01L27/04
CPC分类号： H01L28/40 , H01L23/5223 , H01L23/5225 , H01L23/642 , H01L23/66 , H01L28/60 , H01L2924/0002 , H01L2924/00
摘要： PROBLEM TO BE SOLVED: To provide a semiconductor device capable of preventing substrate loss when a high-frequency signal is passed through a capacitor, a high-frequency transmission device, and a semiconductor manufacturing method.SOLUTION: A semiconductor device 1 includes: a silicon substrate 3; a shield 4 disposed above the silicon substrate 3 and having a conductive material; capacitive electrodes 5 and 6 disposed above the shield 4; and at least one columnar member 7 interposed between the shield 4 and the silicon substrate 3, and having a conductive material.
摘要翻译：要解决的问题：提供当高频信号通过电容器，高频传输装置和半导体制造方法时能够防止衬底损耗的半导体器件。解决方案：半导体器件1包括：硅基材3; 设置在硅基板3上方并具有导电材料的屏蔽件4; 设置在护罩4上方的电容电极5和6; 以及插入在屏蔽体4和硅基板3之间并具有导电材料的至少一个柱状部件7。

8. 发明专利

JP2010233084A Differential amplifier 审中-公开
标题翻译：差分放大器
公开(公告)号：JP2010233084A
公开(公告)日：2010-10-14
申请号：JP2009080061
申请日：2009-03-27
申请人： Toshiba Corp , 株式会社東芝
发明人： SAEGUSA SHIGETO
IPC分类号： H03F3/34 , H03F3/45
CPC分类号： H03F3/45183 , H03F3/45197 , H03F3/45659 , H03F2203/45082 , H03F2203/45418 , H03F2203/45494 , H03F2203/45642 , H03F2203/45646 , H03F2203/45648 , H03F2203/45686 , H03F2203/45702
摘要： PROBLEM TO BE SOLVED: To reduce the DC offset voltage of a differential amplifier and to suppress reduction in output impedance.
SOLUTION: The differential amplifier 50 includes: a differential amplification unit 1 which includes an Nch MOS transistor NMT1 for inputting an input voltage Vin+ and an Nch MOS transistor NMT2 for inputting an input voltage Vin- and making a differential pair with the Nch MOS transistor NMT1, outputs an output voltage Vout+ from the drain side of the Nch MOS transistor NMT2 and outputs an output voltage Vout- from the drain side of the Nch MOS transistor NMT1; and a feedback unit 2 which inputs the output voltage Vout+ and the output voltage Vout-, generates feedback currents Ivil1, Ivil2 obtained by converting the voltages into currents and respectively feeds back and inputs the feedback current Ivil1 to a node N22 and the feedback current Ivil2 to a node N21.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：降低差分放大器的直流偏移电压并抑制输出阻抗的降低。解决方案：差分放大器50包括：差分放大单元1，其包括用于输入输入电压Vin +的Nch MOS晶体管NMT1和用于输入输入电压Vin的Nch MOS晶体管NMT2，并且与Nch形成差分对 MOS晶体管NMT1从Nch MOS晶体管NMT2的漏极侧输出输出电压Vout +，并从Nch MOS晶体管NMT1的漏极侧输出输出电压Vout-; 并输入输出电压Vout +和输出电压Vout-的反馈单元2产生通过将电压转换为电流而获得的反馈电流Ivil1，Ivil2，并分别反馈并将反馈电流Ivil1输入到节点N22和反馈电流Ivil2 到节点N21。版权所有（C）2011，JPO＆INPIT

9. 发明专利

JP2008283249A Transconductor 审中-公开
标题翻译：跨
公开(公告)号：JP2008283249A
公开(公告)日：2008-11-20
申请号：JP2007123179
申请日：2007-05-08
申请人： Toshiba Corp , 株式会社東芝
发明人： SAEGUSA SHIGETO , ARAI TADASHI
IPC分类号： H03F3/34 , H03F1/48
摘要： PROBLEM TO BE SOLVED: To provide a transconductor with a phase compensator which does not impair a gain in a high-frequency band.
SOLUTION: The transconductor includes: an amplifier A1 which inputs a first input signal at an input terminal Vin+; an amplifier A2 which inputs a second input signal at an input terminal Vin-; a voltage-current converter Gm1 which inputs outputs of the amplifiers A1 and A2; a resistance R1 connected between output terminals of the voltage-current converter Gm1; an in-phase signal detector CM which detects an in-phase signal from the output of the amplifier A1 and the output of the amplifier A2; voltage-current converters Gm2 and Gm3 which input the output of the in-phase signal detector CM and output a current to the voltage-current converter Gm1; a phase compensator PC1 connected between the output end of the in-phase signal detector CM and the output of the amplifier A1; a phase compensator PC2 connected between the output terminal of the in-phase signal detector CM and the output terminal of the amplifier A2; and a fourth voltage-current converter Gm4 which inputs the output of the amplifier A1 and the output of the amplifier A2.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种不损害高频带增益的相位补偿器的跨导体。解决方案：跨导体包括：在输入端Vin +处输入第一输入信号的放大器A1; 放大器A2，其在输入端Vin-处输入第二输入信号; 输入放大器A1和A2的输出的电压 - 电流转换器Gm1; 连接在电压 - 电流转换器Gm1的输出端子之间的电阻R1; 同相信号检测器CM，其检测来自放大器A1的输出和放大器A2的输出的同相信号; 电压 - 电流转换器Gm2和Gm3，其输入同相信号检测器CM的输出，并将电流输出到电压 - 电流转换器Gm1; 连接在同相信号检测器CM的输出端和放大器A1的输出端之间的相位补偿器PC1; 相位补偿器PC2，其连接在同相信号检测器CM的输出端子和放大器A2的输出端子之间; 以及输入放大器A1的输出和放大器A2的输出的第四电压 - 电流转换器Gm4。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2006333457A Automatic adjusting circuit for time constant, filter circuit system, and radio terminal 有权
标题翻译：用于时间的自动调节电路，滤波电路系统和无线电终端
公开(公告)号：JP2006333457A
公开(公告)日：2006-12-07
申请号：JP2006125329
申请日：2006-04-28
申请人： Toshiba Corp , 株式会社東芝
发明人： WATANABE OSAMU , ITO RUI , SAEGUSA SHIGETO , ITAKURA TETSURO
IPC分类号： H03H11/04
摘要： PROBLEM TO BE SOLVED: To provide an automatic adjusting circuit for time constant, a filter circuit that uses the same, and the like for accomplishing an integrated circuit, in which adjustment time is shortened, when automatically adjusting the time constant of the filter circuit.
SOLUTION: The automatic adjusting circuit for time constant comprises: a filter circuit which varies a time constant and also varies a phase of a clock signal to be inputted so as to output the clock signal; a phase comparison circuit for comparing the phase of the output signal of the filter circuit with the phase of the clock signal, and outputting a predetermined voltage, when the phase of the output signal and the phase of the clock signal are the same; at least three comparators for comparing the output voltage of the phase comparator circuit, with a plurality of different voltages; an up-down counter for counting the number of output bits of either of at least three different voltages according to the output result of the comparators; and a control circuit varying the time constant of the filter circuit according to the number of output bits counted by the up-down counter.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种时间常数的自动调节电路，使用这种自动调节电路的时间常数，使用该自动调节电路来实现调整时间缩短的集成电路，滤波电路。用于时间常数的自动调整电路包括：滤波电路，其改变时间常数，并且还改变要输入的时钟信号的相位，以输出时钟信号; 相位比较电路，用于当输出信号的相位和时钟信号的相位相同时，将滤波器电路的输出信号的相位与时钟信号的相位进行比较，并输出预定电压; 用于将相位比较器电路的输出电压与多个不同电压进行比较的至少三个比较器; 用于根据比较器的输出结果来计数至少三个不同电压中的任何一个的输出位数的递减计数器; 以及控制电路根据由递减计数器计数的输出位数来改变滤波电路的时间常数。版权所有（C）2007，JPO＆INPIT

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