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85 条记录 (耗时 0.012 秒)

    Multi-phase interpolators and related methods
    13.
    发明授权
    Multi-phase interpolators and related methods 有权
    多相内插器及相关方法

    公开(公告)号：US08294500B1

    公开(公告)日：2012-10-23

    申请号：US12621493

    申请日：2009-11-18

    申请人： Vinh Van Ho ,  Tien Duc Pham ,  Tim Tri Hoang ,  Van Ton-That

    发明人： Vinh Van Ho ,  Tien Duc Pham ,  Tim Tri Hoang ,  Van Ton-That

    IPC分类号： H03H11/16

    CPC分类号： G06G7/30

    摘要： A phase interpolator circuit includes first and second transistors coupled to form a differential pair, a load circuit, a first set of switch circuits, a second set of switch circuits, and a current source. The first set of switch circuits are coupled between the first transistor and the load circuit. The second set of switch circuits are coupled between the second transistor and the load circuit. The current source provides current for the differential pair.

    摘要翻译： 相位插值器电路包括耦合以形成差分对的第一和第二晶体管，负载电路，第一组开关电路，第二组开关电路和电流源。 第一组开关电路耦合在第一晶体管和负载电路之间。 第二组开关电路耦合在第二晶体管和负载电路之间。 电流源为差分对提供电流。

    Complementary voltage interpolation circuit with transmission delay compensation
    14.
    发明授权
    Complementary voltage interpolation circuit with transmission delay compensation 失效
    具有传输延迟补偿的互补电压内插电路

    公开(公告)号：US4897656A

    公开(公告)日：1990-01-30

    申请号：US127867

    申请日：1987-12-02

    申请人： Rudy J. van de Plassche ,  Peter G. Baltus

    发明人： Rudy J. van de Plassche ,  Peter G. Baltus

    IPC分类号： H03M1/12 ,  G06G7/30 ,  H03H17/00 ,  H03M1/14 ,  H03M1/20 ,  H03M1/36

    CPC分类号： H03M1/205 ,  G06G7/30 ,  H03M1/141

    摘要： The invention centers around a system for interpolating between multiple pairs of complementary main signals to generate further pairs of complementary signals. An input circuit (10) supplies the main signals. The interpolation is a two-step operation. The first step is done with two strings (S and S.sub.N) of impedance elements (R.sub.0 -R.sub.N-1 and R.sub.N0 -R.sub.NN-1). Each pair of main signals is supplied to a corresponding pair of nodes along the strings. Interpolated signals are taken from other pairs of corresponding nodes along the strings. In the second interpolation stage, a delay network (D) formed with additional impedance elements (R.sub.D0 -R.sub.DN-1 and R.sub.DN0 -R.sub.DNN-1) compensates for transmission delays through the impedance elements that make up the strings.

    摘要翻译： 本发明围绕用于在多对互补主信号之间进行内插以产生另外的互补信号对的系统。 输入电路（10）提供主信号。 插值是一个两步操作。 第一步是用阻抗元件（R0-RN-1和RN0-RNN-1）的两个串（S和SN）完成。 每对主信号被提供给沿着串的一对相应的节点。 内插信号是沿着串的其他对相应节点取的。 在第二插值阶段，形成有附加阻抗元件（RD0-RDN-1和RDN0-RDNN-1）的延迟网络（D）通过构成串的阻抗元件来补偿传输延迟。

    Method and apparatus for providing a circuit with a smooth transfer function
    15.
    发明授权
    Method and apparatus for providing a circuit with a smooth transfer function 失效
    为电路提供平滑传输功能的方法和装置

    公开(公告)号：US4122529A

    公开(公告)日：1978-10-24

    申请号：US818380

    申请日：1977-07-25

    申请人： Gary F. Hoech

    发明人： Gary F. Hoech

    IPC分类号： G06G7/30 ,  G06G7/28

    CPC分类号： G06G7/30

    摘要： A circuit for generating a smooth signal for use in linearizing an ARINC specified radio altimeter signal, includes an operational amplifier circuit having a piecewise linear transfer function. A time varying periodic signal is added to the radio altimeter signal at the input of the amplifier circuit, and the signal thus produced is filtered to thereby generate a smooth, linear representation of the altimeter signal. In one embodiment, the smoothed signal is differentiated to generate a signal representing the rate of change of the smoothed, linear signal, or altitude.

    摘要翻译： 用于产生用于线性化ARINC指定的无线电高度计信号的平滑信号的电路包括具有分段线性传递函数的运算放大器电路。 在放大器电路的输入处将时变周期信号添加到无线电高度计信号，并且由此产生的信号被滤波，从而生成高度计信号的平滑的线性表示。 在一个实施例中，平滑的信号被微分以产生表示平滑的线性信号或高度的变化率的信号。

    Variable quantity measuring devices
    16.
    发明授权
    Variable quantity measuring devices 失效
    可变量测量装置

    公开(公告)号：US3887871A

    公开(公告)日：1975-06-03

    申请号：US41131973

    申请日：1973-10-31

    申请人： KRUPP GMBH

    发明人： AECHTER BURCKHARD ,  GERLACH MANFRED

    IPC分类号： G01R19/00 ,  G06G7/30 ,  H03D1/00 ,  G04F9/00

    CPC分类号： G06G7/30

    摘要： A system for producing a reference value for a desired value of an independent variable of a nonlinear function for which, in the range of interest, the dependent variable varies regularly and unidirectionally with variations of the independent variable in a given direction, according to a known function, the reference value being produced by simultaneously determining the values of the dependent variable for successive pairs of independent variable values which differ by a selected amount, while varying the independent variable, and producing an indication of one of the independent variable values of that pair at which a given ratio exists between the dependent variable values, this ratio corresponding to a predetermined independent variable difference between such one independent variable value and the desired value.

    摘要翻译： 一种用于产生非线性函数的独立变量的期望值的参考值的系统，其在感兴趣的范围内，因变量随着在给定方向上的独立变量的变化而规则地和单向地变化，根据已知的 函数，所述参考值是通过在改变所述独立变量的同时确定所述独立变量值的连续对之间同时确定所述因变量的值而产生的，并且产生所述对的所述独立变量值之一的指示 其中在因变量值之间存在给定比率，该比率对应于这样的一个独立变量值与期望值之间的预定的独立变量差。

    Programmable function generation
    17.
    发明授权
    Programmable function generation 失效
    可编程功能生成

    公开(公告)号：US3839648A

    公开(公告)日：1974-10-01

    申请号：US34097573

    申请日：1973-03-14

    申请人： TEKTRONIX INC

    发明人： PACE J

    IPC分类号： G06G7/28 ,  G06G7/30 ,  H03G1/00 ,  H03K17/00

    CPC分类号： G06G7/28 ,  G06G7/30 ,  H03G1/0005

    摘要： A programmable function generator, which is suitable for construction in integrated circuit form, includes a current ladder which produces an output voltage or current which is a programmable function of an input voltage or current at n evenly spaced values of the input voltage or current corresponding to n spaced output points along the current ladder. Accurately controlled current sources or current drivers control the flow of currents to each of the n points and the flow of current from terminals of said current ladder including compensated current drivers, one of which differentially controls current flow from end terminals of the current ladder in response to a variable input control voltage or current which, for example, may be a linear ramp of voltage or current.

    摘要翻译： 适用于集成电路形式的可编程功能发生器包括一个电流梯形图，其产生输出电压或电流，该输出电压或电流是输入电压或电流的可编程功能，其输入电压或电流的n个均匀间隔的值对应于 沿着当前梯子的n个间隔的输出点。 精确控制的电流源或电流驱动器控制到n个点中的每个点的电流流动以及来自所述电流梯形端子的电流的流动，包括补偿的电流驱动器，其中之一差异地控制来自当前梯子的端子端的电流响应 到可变输入控制电压或电流，其例如可以是电压或电流的线性斜坡。

    Interpolation means for displacement measurement
    18.
    发明授权
    Interpolation means for displacement measurement 失效
    用于位移测量的插值手段

    公开(公告)号：US3675238A

    公开(公告)日：1972-07-04

    申请号：US3675238D

    申请日：1970-09-03

    申请人： ZEISS STIFTUNG

    发明人： BUTSCHER KARLHEINZ

    IPC分类号： G01D5/244 ,  G06G7/30 ,  H03B19/00 ,  H03M1/00 ,  H03K13/14

    CPC分类号： H03B19/00 ,  G01D5/24404 ,  G06G7/30

    摘要： The invention contemplates employment of plural preset comparators, such as flip-flop set to trigger at different reference-voltage levels, to accurately identify and quantize discrete voltage levels in the electric-signal wave form by which displacement increments are tracked, or picked off, for measurement. The fast change of state in each of the elements of such a device makes possible the prompt, accurate and unambiguous identification of each particular displacement increment. The described device is inherently applicable to digital encoding for remote transmission, and several embodiments are described.

    摘要翻译： 本发明考虑使用多个预设比较器，例如触发器设置以在不同参考电压电平下触发，以精确地识别和量化电信号波形中的离散电压电平，通过该离散电压电平跟踪或拾取位移增量， 用于测量。 这种装置的每个元件中的状态的快速变化使得能够对每个特定位移增量进行快速，准确和明确的识别。 所描述的设备固有地适用于用于远程传输的数字编码，并且描述了几个实施例。