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    • 42. 发明授权
    • Switched capacitor filter
    • 开关电容滤波器
    • US06891429B1
    • 2005-05-10
    • US10325398
    • 2002-12-18
    • Adrian B. EarlyHarold Kutz
    • Adrian B. EarlyHarold Kutz
    • H03H19/00H03K5/00
    • H03H19/004
    • Embodiments of the present invention relate to a switched-capacitor filter which comprises a first stage which itself comprises a first switched capacitor, a second stage which itself comprises a second switched capacitor, a switched capacitive element that couples the output of the first stage to the input of the second stage, and a non-switched capacitive element coupled from the output of the second stage to the input of the first stage to provide damping of the switched-capacitor filter. Both stages are implemented as inverting analog amplifiers and the filter is especially well suited to semiconductor manufacture. The switched capacitor filter is implemented as part of a user module in a programmable system on a chip, or PSoC.
    • 本发明的实施例涉及一种开关电容滤波器,其包括本身包括第一开关电容器的第一级,其本身包括第二开关电容器的第二级,将第一级的输出耦合到第二级的开关电容元件 第二级的输入和从第二级的输出耦合到第一级的输入的非开关电容元件以提供开关电容滤波器的阻尼。 这两个级都被实现为反相模拟放大器,并且滤波器特别适用于半导体制造。 开关电容滤波器作为芯片上的可编程系统(PSoC)中的用户模块的一部分实现。
    • 43. 发明授权
    • Power supply pump circuit for a microcontroller
    • 电源泵电路用于微控制器
    • US06542025B1
    • 2003-04-01
    • US09922419
    • 2001-08-03
    • Harold KutzWarren Snyder
    • Harold KutzWarren Snyder
    • G05F110
    • G06F1/32G06F1/08G06F1/26H03B5/364H03K3/012H03K3/014H03K3/02315
    • A method and a system for supplying power to a microcontroller with a single cell battery. A power supply pump circuit may be incorporated with the microcontroller having dynamic interaction. The microcontroller sends its power requirements to the power supply pump circuit and in response, the power supply pump circuit controls the operating voltage with optimal efficiency. The dynamic update of power supply pump circuit results in an efficient use of the power supply pump circuit and thus results in a reduction of the number of dry cell batteries to only a single cell. Incorporation of the microcontroller and power supply pump circuit onto a single chip reduces the pin number requirements as well as the space required on the printed circuit board.
    • 一种用于向单片机向单片电池供电的方法和系统。 电源泵电路可以与具有动态交互的微控制器结合。 微控制器将其电源要求发送到电源泵电路,作为响应,电源泵电路以最佳效率控制工作电压。 电源泵电路的动态更新导致电源泵电路的有效利用,从而导致将干电池电池数量减少到仅一个电池单元。 将单片机和电源泵电路结合到单个芯片上可减少引脚数量要求以及印刷电路板上所需的空间。
    • 45. 发明授权
    • Method for efficient supply of power to a microcontroller
    • 有效地向微控制器供电的方法
    • US08484487B2
    • 2013-07-09
    • US12136710
    • 2008-06-10
    • Harold KutzWarren Snyder
    • Harold KutzWarren Snyder
    • G06F1/26
    • G06F1/3203G06F1/3296Y02D10/172
    • A method and a system for supplying power to a microcontroller with a single cell. One embodiment of the present invention discloses incorporation of a power supply pump circuit with the microcontroller and their dynamic interaction. The microcontroller sends its power requirements to the power supply pump circuit and in response, the power supply pump circuit controls the operating voltage with optimal efficiency. The dynamic update of power supply pump circuit results in an efficient use of the power supply pump circuit and thus results in a reduction of the number of dry cell batteries to only a single cell. Incorporation of the microcontroller and power supply pump circuit onto a single chip reduces the pin number requirements as well as the space required on the printed circuit board.
    • 一种用于向具有单个单元的微控制器供电的方法和系统。 本发明的一个实施例公开了一种电源泵电路与微控制器的并入以及它们的动态相互作用。 微控制器将其电源要求发送到电源泵电路,作为响应,电源泵电路以最佳效率控制工作电压。 电源泵电路的动态更新导致电源泵电路的有效利用,从而导致将干电池电池数量减少到仅一个电池单元。 将单片机和电源泵电路结合到单个芯片上可减少引脚数量要求以及印刷电路板上所需的空间。
    • 47. 发明授权
    • Programmable buffer circuit
    • 可编程缓冲电路
    • US08063665B1
    • 2011-11-22
    • US12496612
    • 2009-07-01
    • Gajender RohillaEashwar ThiagarajanHarold KutzMonte MarMohandas Palatholmana Sivadasan
    • Gajender RohillaEashwar ThiagarajanHarold KutzMonte MarMohandas Palatholmana Sivadasan
    • H03K19/0175
    • H03K19/018585H03F3/387H03F3/45183H03M1/124H03M1/129
    • A buffer circuit includes an input configured to receive an input signal; and a buffer configured to generate an output signal based on the input signal. In an embodiment, the output signal has a linear relationship with the input signal when the input signal is within the input voltage range; and the buffer circuit further includes a level-shifting circuit coupled with the input, wherein the level shifting circuit determines an input voltage range, and wherein one of an upper limit and a lower limit of the input voltage range is within 50 millivolts from a supply rail voltage. In another embodiment, the buffer circuit further includes a programmable chopping module coupled with the buffer, wherein the programmable chopping module is programmable with a selected configuration from a plurality of configurations, and wherein the programmable chopping modulates the input signal based on the selected configuration. In yet another embodiment, the buffer circuit further includes a programmable output filter coupled with the buffer, wherein the programmable output filter is programmable with a selected configuration from a plurality of configurations, and wherein the programmable output filter filters a frequency band of the output signal based on the selected configuration.
    • 缓冲电路包括被配置为接收输入信号的输入; 以及配置为基于所述输入信号生成输出信号的缓冲器。 在一个实施例中,当输入信号在输入电压范围内时,输出信号与输入信号具有线性关系; 并且所述缓冲电路还包括与所述输入端耦合的电平移动电路,其中所述电平移位电路确定输入电压范围,并且其中所述输入电压范围的上限和下限之一在电源的50毫伏之内 轨电压。 在另一个实施例中,缓冲电路还包括与缓冲器耦合的可编程斩波模块,其中可编程斩波模块可根据多种配置以选定的配置进行编程,并且其中可编程斩波基于所选择的配置来调制输入信号。 在另一个实施例中,缓冲电路还包括与缓冲器耦合的可编程输出滤波器,其中可编程输出滤波器可根据多种配置以选定的配置进行编程,并且其中可编程输出滤波器对输出信号的频带进行滤波 基于所选配置。
    • 48. 发明申请
    • CONFIGURABLE SWITCHED CAPACITOR BLOCK
    • 可配置开关电容块
    • US20110221504A1
    • 2011-09-15
    • US13109215
    • 2011-05-17
    • Eashwar ThiagarajanHarold Kutz
    • Eashwar ThiagarajanHarold Kutz
    • G06F7/64
    • G06G7/18G06J1/00H03H19/00H03H2015/007
    • A configurable switched capacitor block includes a switched-capacitor (SC) sampling circuit, a fully differential amplifier, an SC feedback circuit, and a comparator. The SC sampling circuit is coupled to receive an input signal and to selectively generate a sampled signal to a differential input of the amplifier. The SC feedback circuit is coupled between the differential inputs and the differential outputs of the amplifier to selectively control a feedback of the amplifier. The comparator is coupled to the differential outputs of the amplifier to generate an output signal. The configurable switched capacitor block has multiple modes of operation which are selectable by programming the SC sampling circuit and the SC feedback circuit.
    • 可配置的开关电容器块包括开关电容(SC)采样电路,全差分放大器,SC反馈电路和比较器。 SC采样电路被耦合以接收输入信号并且选择性地产生到放大器的差分输入的采样信号。 SC反馈电路耦合在差分输入和放大器的差分输出之间,以选择性地控制放大器的反馈。 比较器耦合到放大器的差分输出以产生输出信号。 可配置的开关电容器模块具有多种工作模式,可通过编程SC采样电路和SC反馈电路进行选择。
    • 49. 发明授权
    • Configurable switched capacitor block
    • 可配置开关电容器块
    • US07961029B1
    • 2011-06-14
    • US12724378
    • 2010-03-15
    • Eashwar ThiagarajanHarold Kutz
    • Eashwar ThiagarajanHarold Kutz
    • G06F7/64G06G7/18G06G7/19
    • G06G7/18G06J1/00H03H19/00H03H2015/007
    • A configurable switched capacitor block includes a switched-capacitor (SC) sampling circuit, a fully differential amplifier, an SC feedback circuit, and a comparator. The SC sampling circuit is coupled to receive an input signal and to selectively generate a sampled signal to a differential input of the amplifier. The SC feedback circuit is coupled between the differential inputs and the differential outputs of the amplifier to selectively control a feedback of the amplifier. The comparator is coupled to the differential outputs of the amplifier to generate an output signal. The configurable switched capacitor block has multiple modes of operation which are selectable by programming the SC sampling circuit and the SC feedback circuit.
    • 可配置的开关电容器块包括开关电容(SC)采样电路,全差分放大器,SC反馈电路和比较器。 SC采样电路被耦合以接收输入信号并且选择性地产生到放大器的差分输入的采样信号。 SC反馈电路耦合在差分输入和放大器的差分输出之间,以选择性地控制放大器的反馈。 比较器耦合到放大器的差分输出以产生输出信号。 可配置的开关电容器模块具有多种工作模式,可通过编程SC采样电路和SC反馈电路进行选择。