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1.发明授权公开(公告)号：US07696916B2
公开(公告)日：2010-04-13
申请号：US12230285
申请日：2008-08-27
Applicant: Yasuhide Shimizu , Shigemitsu Murayama , Kohei Kudo , Hiroaki Yatsuda
Inventor： Yasuhide Shimizu , Shigemitsu Murayama , Kohei Kudo , Hiroaki Yatsuda
IPC: H03M1/36
Abstract: A parallel type analog-to-digital conversion circuit, including a reference signal generating portion and a comparison amplification portion, the comparison amplification portion including a plurality of amplifiers, input resetting switches, first sampling capacitors, second sampling capacitors, first sampling switches, and second sampling switches.
Abstract translation: 一种并行型模拟 - 数字转换电路，包括参考信号产生部分和比较放大部分，比较放大部分包括多个放大器，输入复位开关，第一采样电容器，第二采样电容器，第一采样开关和 第二采样开关。
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2.发明申请Differential amplifier device, 2-stage amplifier device, and analog/digital converter device 有权差分放大器器件，2级放大器器件和模拟/数字转换器器件公开(公告)号：US20050248479A1
公开(公告)日：2005-11-10
申请号：US11106958
申请日：2005-04-15
Applicant: Yasuhide Shimizu , Shigemitsu Murayama , Kohhei Kudoh
Inventor： Yasuhide Shimizu , Shigemitsu Murayama , Kohhei Kudoh
CPC classification number: H03M1/0602
Abstract: A differential amplifier device is disclosed wherein the device comprises a differential amplifier circuit, a load circuit connected to the differential amplifier circuit; and a change-over switch connected to the load circuit for changing a gain of the differential amplifier circuit by switching between a full load where a whole of the load circuit is set to be the load of the differential amplifier circuit and a partial load where a part of the load circuit is set to be the load of the differential amplifier circuit, wherein the load circuit is configured to amplify an input signal and an output signal of the differential amplifier circuit in the full load.
Abstract translation: 公开了一种差分放大器装置，其中该器件包括差分放大器电路，连接到差分放大器电路的负载电路; 以及连接到负载电路的转换开关，用于通过在整个负载电路被设置为差分放大器电路的负载的满负荷与其中的负载之间切换来改变差分放大器电路的增益 负载电路的一部分被设置为差分放大器电路的负载，其中负载电路被配置为在满载中放大差分放大器电路的输入信号和输出信号。
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公开(公告)号：US08525718B2
公开(公告)日：2013-09-03
申请号：US13410906
申请日：2012-03-02
Applicant: Kouhei Kudou , Yasuhide Shimizu , Norifumi Kanagawa , Shigemitsu Murayama
Inventor： Kouhei Kudou , Yasuhide Shimizu , Norifumi Kanagawa , Shigemitsu Murayama
IPC: H03M1/12
CPC classification number: H03F3/45192 , H03F2203/45138 , H03F2203/45644 , H03F2203/45652 , H03M1/142 , H03M1/365
Abstract: Disclosed herein is a differential amplifier including: an input terminal configured to receive an input signal; an output terminal configured to output an output signal obtained as a result of amplifying the input signal; an amplification part configured to amplify the input signal to generate the output signal; a load circuit which is connected between the amplification part and a power-supply terminal, and is provided with a first-conduction transistor, and a changeover switch configured to switch a connection between a gate electrode of the first-conduction transistor and a drain electrode of the first-conduction transistor to a connection between the gate electrode and the output terminal or vice versa; and a leak cancel switch configured to generate a leak cancel current for reducing an off leak current flowing through the changeover switch.
Abstract translation: 这里公开了一种差分放大器，包括：输入端子，被配置为接收输入信号; 输出端子，被配置为输出作为放大输入信号的结果而获得的输出信号; 放大部件，被配置为放大所述输入信号以产生所述输出信号; 负载电路，连接在放大部分和电源端子之间，并且设置有第一导体晶体管，以及转换开关，其被配置为切换第一导通晶体管的栅电极和漏极之间的连接 的第一导通晶体管连接到栅电极和输出端之间的连接，反之亦然; 以及泄漏取消开关，其被配置为产生用于减少流过所述切换开关的关闭泄漏电流的泄漏抵消电流。
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4.发明授权Comparator, sample-and-hold circuit, differential amplifier, two-stage amplifier, and analog-to-digital converter 有权比较器，采样保持电路，差分放大器，两级放大器和模数转换器公开(公告)号：US08120388B2
公开(公告)日：2012-02-21
申请号：US11624270
申请日：2007-01-18
Applicant: Yasuhide Shimizu , Shigemitsu Murayama , Yukitoshi Yamashita , Junji Toyomura
Inventor： Yasuhide Shimizu , Shigemitsu Murayama , Yukitoshi Yamashita , Junji Toyomura
CPC classification number: G11C27/024 , G11C27/026 , H03F3/45089 , H03F2203/45626 , H03F2203/45631 , H03F2203/45651 , H03F2203/45696 , H03F2203/45702 , H03F2203/45726 , H03K5/2481 , H03K5/249 , H03M1/142 , H03M1/206 , H03M1/365
Abstract: A comparator includes a sampling capacitor, a first switching unit which is connected to an input end of the sampling capacitor and which applies an input signal to the input end of the sampling capacitor, a second switching unit which is connected to the input end of the sampling capacitor and which applies a reference signal to the input end of the sampling capacitor, an output transistor connected to an output end of the sampling capacitor in a source follower connection manner or an emitter follower connection manner, and a third switching unit which is connected to an output end of the sampling capacitor and which maintains maintaining a voltage at the output end of the sampling capacitor to be constant. The input signal is compared with the reference signal.
Abstract translation: 比较器包括采样电容器，第一开关单元，其连接到采样电容器的输入端并将输入信号施加到采样电容器的输入端;第二开关单元，连接到采样电容器的输入端; 采样电容器，并且将采样电容器的输入端施加参考信号，以源极跟随器连接方式或射极跟随器连接方式连接到采样电容器的输出端的输出晶体管，以及连接到采样电容器的第三开关单元 到采样电容器的输出端，并且维持采样电容器输出端的电压保持恒定。 将输入信号与参考信号进行比较。
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公开(公告)号：US08018368B2
公开(公告)日：2011-09-13
申请号：US12662025
申请日：2010-03-29
Applicant: Shigemitsu Murayama , Yasuhide Shimizu , Hiroaki Yatsuda , Kohei Kudo
Inventor： Shigemitsu Murayama , Yasuhide Shimizu , Hiroaki Yatsuda , Kohei Kudo
IPC: H03M1/12
CPC classification number: H03M1/004 , H03M1/0682 , H03M1/1215 , H03M1/147 , H03M1/365
Abstract: An analog to digital converter includes: a reference circuit adapted to generate reference voltages; differential amplifiers; normal phase circuits each of which samples a normal phase analog input signal and transfers a comparison voltage, obtained by comparison with a reference voltage generated by the reference circuit, to a first input terminal of one of the differential amplifiers when the input is differential and single-ended; and reversed phase circuits each of which samples a reversed phase analog input signal and transfers a comparison voltage, obtained by comparison with a reference voltage generated by the reference circuit, to a second input terminal of one of the differential amplifiers when the input is differential and which samples a ground level as a reference voltage of the reference circuit and supplies the reference voltage and comparison voltage to the second input terminal of the differential amplifier when the input is single-ended.
Abstract translation: 模数转换器包括：适于产生参考电压的参考电路; 差分放大器; 每个正常相电路对正相模拟输入信号进行采样，并将通过与参考电路产生的参考电压进行比较获得的比较电压传送到差分放大器之一的第一输入端，当输入为差分和单 接受 每个反相电路对反相模拟输入信号进行采样，并将通过与基准电路产生的参考电压进行比较而获得的比较电压传送到差分放大器之一的第二输入端，当输入为差分时， 其将接地电平作为参考电路的参考电压进行采样，并且当输入为单端时将参考电压和比较电压提供给差分放大器的第二输入端。
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Patent Agency Ranking
公开(公告)号：US20100271244A1
公开(公告)日：2010-10-28
申请号：US12662025
申请日：2010-03-29
Applicant: Shigemitsu Murayama , Yasuhide Shimizu , Hiroaki Yatsuda , Kohei Kudo
Inventor： Shigemitsu Murayama , Yasuhide Shimizu , Hiroaki Yatsuda , Kohei Kudo
CPC classification number: H03M1/004 , H03M1/0682 , H03M1/1215 , H03M1/147 , H03M1/365
Abstract: An analog to digital converter includes: a reference circuit adapted to generate reference voltages; differential amplifiers; normal phase circuits each of which samples a normal phase analog input signal and transfers a comparison voltage, obtained by comparison with a reference voltage generated by the reference circuit, to a first input terminal of one of the differential amplifiers when the input is differential and single-ended; and reversed phase circuits each of which samples a reversed phase analog input signal and transfers a comparison voltage, obtained by comparison with a reference voltage generated by the reference circuit, to a second input terminal of one of the differential amplifiers when the input is differential and which samples a ground level as a reference voltage of the reference circuit and supplies the reference voltage and comparison voltage to the second input terminal of the differential amplifier when the input is single-ended.
Abstract translation: 模数转换器包括：适于产生参考电压的参考电路; 差分放大器; 每个正常相电路对正相模拟输入信号进行采样，并将通过与参考电路产生的参考电压进行比较获得的比较电压传送到差分放大器之一的第一输入端，当输入为差分和单 接受 每个反相电路对反相模拟输入信号进行采样，并将通过与基准电路产生的参考电压进行比较而获得的比较电压传送到差分放大器之一的第二输入端，当输入为差分时， 其将接地电平作为参考电路的参考电压进行采样，并且当输入为单端时将参考电压和比较电压提供给差分放大器的第二输入端。
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7.发明申请公开(公告)号：US20090073020A1
公开(公告)日：2009-03-19
申请号：US12230285
申请日：2008-08-27
Applicant: Yasuhide Shimizu , Shigemitsu Murayama , Kohei Kudo , Hiroaki Yatsuda
Inventor： Yasuhide Shimizu , Shigemitsu Murayama , Kohei Kudo , Hiroaki Yatsuda
Abstract: A parallel type analog-to-digital conversion circuit, including a reference signal generating portion and a comparison amplification portion, the comparison amplification portion including a plurality of amplifiers, input resetting switches, first sampling capacitors, second sampling capacitors, first sampling switches, and second sampling switches.
Abstract translation: 一种并行型模拟 - 数字转换电路，包括参考信号产生部分和比较放大部分，比较放大部分包括多个放大器，输入复位开关，第一采样电容器，第二采样电容器，第一采样开关和 第二采样开关。
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公开(公告)号：US07504980B2
公开(公告)日：2009-03-17
申请号：US11544610
申请日：2006-10-10
Applicant: Yasuhide Shimizu , Shigemitsu Murayama , Kohei Kudo , Hiroaki Yatsuda
Inventor： Yasuhide Shimizu , Shigemitsu Murayama , Kohei Kudo , Hiroaki Yatsuda
IPC: H03M1/78
CPC classification number: H01L27/0802 , H01L28/20
Abstract: A semiconductor device includes a semiconductor substrate and a ladder resistor formed on the semiconductor substrate. The ladder resistor includes a plurality of elongated resistor portions arranged in parallel with each other, a plurality of connection portions that connect the resistor portions at predetermined intervals in a longitudinal direction of the resistor portions, and a plurality of voltage extraction portions provided in order to extract voltages at the individual connection portions.
Abstract translation: 半导体器件包括形成在半导体衬底上的半导体衬底和梯形电阻。 梯形电阻器包括彼此平行布置的多个细长的电阻器部分，多个连接部分，其在电阻器部分的纵向方向上以预定间隔连接电阻器部分，以及多个电压提取部分， 在各个连接部分提取电压。
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9.发明授权Differential amplifier device, 2-stage amplifier device, and analog/digital converter device 有权差分放大器器件，2级放大器器件和模拟/数字转换器器件公开(公告)号：US07042384B2
公开(公告)日：2006-05-09
申请号：US11106958
申请日：2005-04-15
Applicant: Yasuhide Shimizu , Shigemitsu Murayama , Kohhei Kudoh
Inventor： Yasuhide Shimizu , Shigemitsu Murayama , Kohhei Kudoh
IPC: H03M1/12
CPC classification number: H03M1/0602
Abstract: A differential amplifier device is disclosed wherein the device comprises a differential amplifier circuit, a load circuit connected to the differential amplifier circuit; and a change-over switch connected to the load circuit for changing a gain of the differential amplifier circuit by switching between a full load where a whole of the load circuit is set to be the load of the differential amplifier circuit and a partial load where a part of the load circuit is set to be the load of the differential amplifier circuit, wherein the load circuit is configured to amplify an input signal and an output signal of the differential amplifier circuit in the full load.
Abstract translation: 公开了一种差分放大器装置，其中该器件包括差分放大器电路，连接到差分放大器电路的负载电路; 以及连接到负载电路的转换开关，用于通过在整个负载电路被设置为差分放大器电路的负载的满负荷与其中的负载之间切换来改变差分放大器电路的增益 负载电路的一部分被设置为差分放大器电路的负载，其中负载电路被配置为在满载中放大差分放大器电路的输入信号和输出信号。
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公开(公告)号：US20120242525A1
公开(公告)日：2012-09-27
申请号：US13410906
申请日：2012-03-02
Applicant: Kouhei Kudou , Yasuhide Shimizu , Norifumi Kanagawa , Shigemitsu Murayama
Inventor： Kouhei Kudou , Yasuhide Shimizu , Norifumi Kanagawa , Shigemitsu Murayama
CPC classification number: H03F3/45192 , H03F2203/45138 , H03F2203/45644 , H03F2203/45652 , H03M1/142 , H03M1/365
Abstract: Disclosed herein is a differential amplifier including: an input terminal configured to receive an input signal; an output terminal configured to output an output signal obtained as a result of amplifying the input signal; an amplification part configured to amplify the input signal to generate the output signal; a load circuit which is connected between the amplification part and a power-supply terminal, and is provided with a first-conduction transistor, and a changeover switch configured to switch a connection between a gate electrode of the first-conduction transistor and a drain electrode of the first-conduction transistor to a connection between the gate electrode and the output terminal or vice versa; and a leak cancel switch configured to generate a leak cancel current for reducing an off leak current flowing through the changeover switch.
Abstract translation: 这里公开了一种差分放大器，包括：输入端子，被配置为接收输入信号; 输出端子，被配置为输出作为放大输入信号的结果而获得的输出信号; 放大部件，被配置为放大所述输入信号以产生所述输出信号; 负载电路，连接在放大部分和电源端子之间，并且设置有第一导体晶体管，以及转换开关，其被配置为切换第一导通晶体管的栅电极和漏极之间的连接 的第一导通晶体管连接到栅电极和输出端之间的连接，反之亦然; 以及泄漏取消开关，其被配置为产生用于减少流过所述切换开关的关闭泄漏电流的泄漏抵消电流。
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