Differential operational amplifier circuit correcting settling error for use in pipelined A/D converter
    1.
    发明授权
    Differential operational amplifier circuit correcting settling error for use in pipelined A/D converter 有权
    差分运算放大器电路校正用于流水线A / D转换器的建立误差

    公开(公告)号:US07898449B2

    公开(公告)日:2011-03-01

    申请号:US12562664

    申请日:2009-09-18

    IPC分类号: H03M1/12

    摘要: A telescopic differential operational amplifier circuit for use in a pipelined A/D converter is provided with two auxiliary differential amplifiers connected to two cascode circuits, each including cascode-connected first to fourth transistors. During the sampling phase, first and second switches are turned on to apply a predetermined bias voltage to the gates of first and fourth transistors, and the input terminal of the differential operational amplifier circuit is set to a common mode voltage. During the hold phase, the first and second switches are turned off so that a voltage of each of the gates of the first and fourth transistors change to follow an input signal inputted via the input terminal with coupling capacitors operating as a level shifter of the input signal. Then the differential operational amplifier circuit performs push-pull operation operative only in a transconductance drive region, and is prevented from operating in a slewing region.

    摘要翻译: 在流水线A / D转换器中使用的伸缩差分运算放大器电路设置有两个连接到两个共源共栅电路的辅助差分放大器,每个包括共源共栅连接的第一至第四晶体管。 在采样阶段期间,第一和第二开关导通以对第一和第四晶体管的栅极施加预定的偏置电压,并且差分运算放大器电路的输入端被设置为共模电压。 在保持阶段期间,第一和第二开关断开,使得第一和第四晶体管的每个栅极的电压改变为跟随经由输入端输入的输入信号,耦合电容器作为输入的电平转换器 信号。 然后,差分运算放大器电路仅在跨导驱动区域中执行推挽操作,并且防止在回转区域中操作。

    DIFFERENTIAL OPERATIONAL AMPLIFIER CIRCUIT CORRECTING SETTLING ERROR FOR USE IN PIPELINED A/D CONVERTER
    2.
    发明申请
    DIFFERENTIAL OPERATIONAL AMPLIFIER CIRCUIT CORRECTING SETTLING ERROR FOR USE IN PIPELINED A/D CONVERTER 有权
    用于管道A / D转换器的差分运算放大器电路校正设定错误

    公开(公告)号:US20100073214A1

    公开(公告)日:2010-03-25

    申请号:US12562664

    申请日:2009-09-18

    IPC分类号: H03M1/12 H03F3/45

    摘要: A telescopic differential operational amplifier circuit for use in a pipelined A/D converter is provided with two auxiliary differential amplifiers connected to two cascode circuits, each including cascode-connected first to fourth transistors. During the sampling phase, first and second switches are turned on to apply a predetermined bias voltage to the gates of first and fourth transistors, and the input terminal of the differential operational amplifier circuit is set to a common mode voltage. During the hold phase, the first and second switches are turned off so that a voltage of each of the gates of the first and fourth transistors change to follow an input signal inputted via the input terminal with coupling capacitors operating as a level shifter of the input signal. Then the differential operational amplifier circuit performs push-pull operation operative only in a transconductance drive region, and is prevented from operating in a slewing region.

    摘要翻译: 在流水线A / D转换器中使用的伸缩差分运算放大器电路设置有两个辅助差分放大器,其连接到两个共源共栅电路,每个包括共源共栅连接的第一至第四晶体管。 在采样阶段期间,第一和第二开关导通以对第一和第四晶体管的栅极施加预定的偏置电压,并且差分运算放大器电路的输入端被设置为共模电压。 在保持阶段期间,第一和第二开关断开,使得第一和第四晶体管的每个栅极的电压改变为跟随经由输入端输入的输入信号,耦合电容器作为输入的电平转换器 信号。 然后,差分运算放大器电路仅在跨导驱动区域中执行推挽操作,并且防止在回转区域中操作。

    Sample hold circuit for use in time-interleaved A/D converter apparatus including paralleled low-speed pipeline A/D converters
    3.
    发明授权
    Sample hold circuit for use in time-interleaved A/D converter apparatus including paralleled low-speed pipeline A/D converters 有权
    采样保持电路,用于并行低速流水线A / D转换器的时间交织A / D转换装置

    公开(公告)号:US07834786B2

    公开(公告)日:2010-11-16

    申请号:US12436289

    申请日:2009-05-06

    IPC分类号: H03M1/10

    摘要: A sample hold circuit is provided for use in a time-interleaved A/D converter apparatus including a plurality of low-speed pipeline A/D converters which are parallelized. The sample hold circuit includes a sampling capacitor and a sample hold amplifier, and operates to sample and hold an input signal by using a switched capacitor. An adder circuit of the sample hold circuit adds a ramp calibration signal to the input signal, by inputting the ramp calibration signal generated to have a frequency identical to that of a sampling clock signal and a predetermined slope based on the sampling clock signal, into a sample hold amplifier via a calibration capacitor having a capacitance smaller than that of the sampling capacitor.

    摘要翻译: 提供了一种采样保持电路,用于并行化的多个低速流水线A / D转换器的时间交错A / D转换装置。 采样保持电路包括采样电容器和采样保持放大器,并且通过使用开关电容器来操作来采样和保持输入信号。 采样保持电路的加法电路通过将产生的具有与采样时钟信号和采样时钟信号的频率相同的频率的斜坡校准信号和基于采样时钟信号的预定斜率输入到输入信号中,将斜坡校准信号添加到 采样保持放大器经由具有小于采样电容器的电容的校准电容器。

    Current mirror circuit
    4.
    发明授权
    Current mirror circuit 失效
    电流镜电路

    公开(公告)号:US07622993B2

    公开(公告)日:2009-11-24

    申请号:US12189044

    申请日:2008-08-08

    IPC分类号: H03F3/04

    摘要: A current mirror circuit including: a first resistance element having one terminal connected to a first potential, and the other terminal connected to a second potential lower than the first potential; an operational amplifier having a high-potential input terminal connected to the first potential and the one terminal of the first resistance element; a second resistance element having one terminal connected to a low-potential input terminal of the operational amplifier, and the other terminal connected to the second potential; and a transistor having a first electrode connected to an output terminal of the operational amplifier, a second electrode connected to the low-potential input terminal of the operational amplifier and the one terminal of the second resistance element, and a third electrode used as an output terminal, wherein the first and second resistance elements both start to operate from a linear area having lower voltage than a saturation area.

    摘要翻译: 一种电流镜电路,包括:第一电阻元件,其具有连接到第一电位的一个端子,而另一个端子连接到低于第一电位的第二电位; 运算放大器,具有连接到第一电位的高电位输入端和第一电阻元件的一个端子; 第二电阻元件,其一端连接到运算放大器的低电位输入端,而另一端连接到第二电位; 以及晶体管,其具有连接到运算放大器的输出端的第一电极,连接到运算放大器的低电位输入端和第二电阻元件的一端的第二电极和用作输出的第三电极 端子,其中第一和第二电阻元件都从具有比饱和区域更低的电压的线性区域开始操作。

    Current mirror circuit
    5.
    发明授权
    Current mirror circuit 失效
    电流镜电路

    公开(公告)号:US07425870B2

    公开(公告)日:2008-09-16

    申请号:US11370630

    申请日:2006-03-08

    IPC分类号: H03F3/04

    摘要: There is disclosed a current mirror circuit comprising a first transistor having a first electrode connected to a first potential, a second electrode connected to a second potential lower than the first potential, and a third electrode connected to a third potential higher than the second potential, a second transistor having a first electrode connected to the first potential and the first electrode of the first transistor, and a second electrode connected to the second potential, an operational amplifier having a high-potential input connected to the third potential and the third electrode of the first transistor, and a low-potential input connected to the third electrode of the second transistor, and a third transistor having a first electrode connected to an output of the operational amplifier, a second electrode connected to the low-potential input and the third electrode of the second transistor, and a third electrode used as an output terminal.

    摘要翻译: 公开了一种电流镜电路,包括第一晶体管,其具有连接到第一电位的第一电极,连接到低于第一电位的第二电位的第二电极和连接到高于第二电位的第三电位的第三电极, 第二晶体管,具有连接到第一电位的第一电极和第一晶体管的第一电极,以及连接到第二电位的第二电极,具有连接到第三电位的高电位输入的运算放大器和与第三电位相连的第三电极 第一晶体管和连接到第二晶体管的第三电极的低电位输入,以及第三晶体管,其具有连接到运算放大器的输出的第一电极,连接到低电位输入的第二电极和第三晶体管, 第二晶体管的电极和用作输出端子的第三电极。

    Signal processing method and signal processing apparatus
    6.
    发明申请
    Signal processing method and signal processing apparatus 有权
    信号处理方法及信号处理装置

    公开(公告)号:US20080100366A1

    公开(公告)日:2008-05-01

    申请号:US11812371

    申请日:2007-06-18

    IPC分类号: G06G7/14

    CPC分类号: H03M1/0614 H03M1/121

    摘要: A signal processing method and apparatus reducing distortion using divided signals differing in only amplitude by weighting an input signal by first weights ki (i=1 to 4) to obtain divided signals, performing the same signal processing f(x) on the divided signals, weighting the signal processed divided signals by second weights l1 (i=1 to 4), and adding the divided signals Vout1 to Vout4 weighted by the second weights. The first weights are k1=t, k2=−t, k3=1, k4=−1, while the second weights are l1=−1, l2=1, l3=t3, l4=−t3. Here, t=b/a (where a and b are different positive integers).

    摘要翻译: 一种信号处理方法和装置,通过使用第一权重k i i(i = 1〜4)对输入信号进行加权,仅使幅度不同的分割信号减少失真,以获得分割信号,执行相同的信号处理f (x)对所分割的信号进行加权,通过第二权重I 1(i = 1至4)对信号处理的分频信号进行加权,并将分频信号V OUT1加到V 由第二权重加权的 out4 。 第一个权重是k 1 = t,k 2 = - t,k 3 = 1,k 4< 4> = -1,而第二权重为l 1 = -1,则1 = 1,1/3 3 = t 3, / SUP>,1< 4> = - 3< 3> 3。 这里,t = b / a(其中 a和 b是不同的正整数)。

    Gate array semiconductor integrated circuit device
    8.
    发明授权
    Gate array semiconductor integrated circuit device 失效
    门阵列半导体集成电路器件

    公开(公告)号:US5633524A

    公开(公告)日:1997-05-27

    申请号:US580609

    申请日:1995-12-29

    摘要: In order to improve a withstand voltage and implement a gate array SOI semiconductor integrated circuit device having a large gate width, a region consisting of end cells (49) is provided on each end of a region formed by repeatedly arranging basic cells (BC) consisting of both transistor regions (32, 33) in a first direction and while symmetrically arranging the same to be folded in a second direction. Both ends of a channel region of a PMOS transistor (42) are drawn out in the second direction to provide a P-type semiconductor layer just under a field shielding gate electrode (FG), and this semiconductor layer is drawn also in the first direction to be connected with a P-type semiconductor layer of the end cell (49). A first source potential is applied to a region (PBD) which is bonded with one of the P-type semiconductor layers. Also as to an NMOS transistor (41) which is adjacent through a field oxide film (FO), on the other hand, an N-type semiconductor layer is similarly provided so that this N-type semiconductor layer is also connected with that of the end cell (49). A second source potential is applied to a region (NBD).

    摘要翻译: 为了提高耐压并实现具有较大栅极宽度的栅阵列SOI半导体集成电路器件,在通过重复布置基本单元(BC)形成的区域的每个端部上设置由端单元(49)组成的区域,所述基本单元(BC) 的两个晶体管区域(32,33)在第一方向上并且同时对称地布置在第二方向上被折叠。 PMOS晶体管(42)的沟道区域的两端在第二方向上被拉出以提供刚好在场屏蔽栅极(FG)下面的P型半导体层,并且该半导体层也沿第一方向 与端电池(49)的P型半导体层连接。 将第一源极电位施加到与一个P型半导体层接合的区域(PBD)。 另一方面,与通过场氧化膜(FO)相邻的NMOS晶体管(41)也类似地设置N型半导体层,使得该N型半导体层也与 端单元(49)。 第二源电位被应用于区域(NBD)。

    Field programmable gate array transferring signals at high speed
    9.
    发明授权
    Field programmable gate array transferring signals at high speed 失效
    现场可编程门阵列以高速传输信号

    公开(公告)号:US5541529A

    公开(公告)日:1996-07-30

    申请号:US450757

    申请日:1995-05-25

    摘要: A field programmable gate array includes a logic blocks, switching elements for establishing a signal propagation path, and memory cells provided corresponding to the switching elements for storing data determining on and off states of corresponding switching elements. In this gate array, a supply voltage fed to a power input terminal is transmitted to power supply nodes of logic circuit blocks. A booster circuit boosts the supply voltage fed to the power input terminal and feeds the boosted voltage to power supply nodes of memory cells for programming a signal propagation path. A high-level signal potential of each memory cell is fed to the gate of an n-channel MOS transistor which functions as the switching element. The switching elements are disposed on signal lines and serve to interconnect the signal lines selectively to establish a signal propagation path. The current supply capability of the MOS transistors is enhanced to realize faster propagation of the signal, and any harmful influence of the threshold voltage exerted on the signal amplitude loss can be suppressed by a rise of the gate potential in each MOS transistor.

    摘要翻译: 现场可编程门阵列包括逻辑块,用于建立信号传播路径的开关元件,以及与开关元件对应地提供的存储单元,用于存储确定相应开关元件的导通和截止状态的数据。 在该门阵列中,馈送到电力输入端的电源电压被发送到逻辑电路块的电源节点。 升压电路提高馈送到电源输入端的电源电压,并将升压的电压馈送到存储器单元的电源节点,以编程信号传播路径。 每个存储单元的高电平信号电位被馈送到用作开关元件的n沟道MOS晶体管的栅极。 开关元件设置在信号线上并用于选择性地互连信号线以建立信号传播路径。 提高MOS晶体管的电流供应能力以实现信号的更快的传播,并且通过每个MOS晶体管中的栅极电位的上升可以抑制施加在信号幅度损失上的阈值电压的任何有害影响。

    Coupling element for semiconductor neural network device
    10.
    发明授权
    Coupling element for semiconductor neural network device 失效
    半导体神经网络器件耦合元件

    公开(公告)号:US5274746A

    公开(公告)日:1993-12-28

    申请号:US605708

    申请日:1990-10-30

    申请人: Koichiro Mashiko

    发明人: Koichiro Mashiko

    CPC分类号: G06N3/063

    摘要: A neural network device includes internal data input lines, internal data output lines, coupling elements provided at the connections of the internal data input lines and the internal data output lines, word lines each for selecting one row of coupling elements. The coupling elements couple, with specific programmable coupling strengths, the associated internal data input lines to the associated internal data output lines. In a program mode, the internal data output lines serve as signal lines for transmitting the coupling strength information. Each of the coupling elements includes memories constituted of cross-coupled inverters for storing the coupling strength information, first switching transistors responsive to signal potentials on associated word lines for connecting the memories to associated internal data output lines, second switching elements responsive to signal potentials on associated internal data input lines for transmitting the storage information in the memories to the associated internal data output lines. Each of the internal data output lines has a pair of first and second internal data output lines.

    摘要翻译: 神经网络装置包括内部数据输入线,内部数据输出线,在内部数据输入线和内部数据输出线的连接处提供的耦合元件,用于选择一行耦合元件的字线。 耦合元件具有特定的可编程耦合强度,将相关联的内部数据输入线耦合到相关联的内部数据输出线。 在程序模式中,内部数据输出线用作发送耦合强度信息的信号线。 每个耦合元件包括由用于存储耦合强度信息的交叉耦合逆变器构成的存储器,响应于相关联的字线上的信号电位的第一开关晶体管,用于将存储器连接到相关联的内部数据输出线,第二开关元件响应于信号电位 用于将存储器中的存储信息发送到相关联的内部数据输出线的相关联的内部数据输入线。 每个内部数据输出线具有一对第一和第二内部数据输出线。