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公开(公告)号：US07342448B2
公开(公告)日：2008-03-11
申请号：US11477576
申请日：2006-06-29
申请人： Benno Muhlbacher , Joachim Gratz , Evelyne Kricki , Thomas Pötscher , Mayk Roehrich , David San Segundo Bello , Andreas Weisbauer
发明人： Benno Muhlbacher , Joachim Gratz , Evelyne Kricki , Thomas Pötscher , Mayk Roehrich , David San Segundo Bello , Andreas Weisbauer
IPC分类号： H03F3/217
CPC分类号： H03F3/217
摘要： A class D power output stage for switching a supply voltage comprises a limiting transistor with a controllable path and a control terminal, a complementary limiting transistor with a controllable path and a control terminal, a switching transistor with a controllable path and a control terminal, and a complementary switching transistor with a controllable path and a control terminal. A switched output signal between the controllable paths of the limiting and complementary limiting transistors can be taped off, the controllable paths of the limiting and the complementary limiting transistors are connected together and are connected to a first and a second supply terminal via the controllable paths of the switching and complementary switching transistors, and the switching and the complementary switching transistors have a lower electrical strength than the limiting and complementary limiting transistors. The output stage further comprises a level matching device for generating control signals in response to an input switching signal. The matching device is connected to the supply voltage and the control signals are fed to the control terminals.
摘要翻译： 用于切换电源电压的D类功率输出级包括具有可控路径的限制晶体管和控制端子，具有可控路径的互补限制晶体管和控制端子，具有可控路径的开关晶体管和控制端子，以及 具有可控路径和控制端的互补开关晶体管。 限流和互补限制晶体管的可控路径之间的切换输出信号可以被分离，限制和互补限制晶体管的可控路径连接在一起，并且经由可控路径的可控路径连接到第一和第二供电端子 开关和互补开关晶体管，以及开关和互补开关晶体管具有比限制和互补限制晶体管更低的电气强度。 输出级还包括用于响应于输入切换信号产生控制信号的电平匹配装置。 匹配装置连接到电源电压，控制信号馈送到控制端。
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公开(公告)号：US20070001735A1
公开(公告)日：2007-01-04
申请号：US11477576
申请日：2006-06-29
申请人： Benno Muhlbacher , Achim Gratz , Evelyne Krickl , Thomas Potscher , Mayk Roehrich , David San Segundo Bello , Andreas Weisbauer
发明人： Benno Muhlbacher , Achim Gratz , Evelyne Krickl , Thomas Potscher , Mayk Roehrich , David San Segundo Bello , Andreas Weisbauer
IPC分类号： H03K3/00
CPC分类号： H03F3/217
摘要： A class D power output stage for switching a supply voltage comprises a limiting transistor with a controllable path and a control terminal, a complementary limiting transistor with a controllable path and a control terminal, a switching transistor with a controllable path and a control terminal, and a complementary switching transistor with a controllable path and a control terminal. A switched output signal between the controllable paths of the limiting and complementary limiting transistors can be taped off, the controllable paths of the limiting and the complementary limiting transistors are connected together and are connected to a first and a second supply terminal via the controllable paths of the switching and complementary switching transistors, and the switching and the complementary switching transistors have a lower electrical strength than the limiting and complementary limiting transistors. The output stage further comprises a level matching device for generating control signals in response to an input switching signal. The matching device is connected to the supply voltage and the control signals are fed to the control terminals.
摘要翻译： 用于切换电源电压的D类功率输出级包括具有可控路径的限制晶体管和控制端子，具有可控路径的互补限制晶体管和控制端子，具有可控路径的开关晶体管和控制端子，以及 具有可控路径和控制端的互补开关晶体管。 限流和互补限制晶体管的可控路径之间的切换输出信号可以被分离，限制和互补限制晶体管的可控路径连接在一起，并经由可控路径的可控路径连接到第一和第二供电端子 开关和互补开关晶体管，以及开关和互补开关晶体管具有比限制和互补限制晶体管更低的电气强度。 输出级还包括用于响应于输入切换信号产生控制信号的电平匹配装置。 匹配装置连接到电源电压，控制信号馈送到控制端。
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3.发明授权公开(公告)号：US07486214B1
公开(公告)日：2009-02-03
申请号：US11850000
申请日：2007-09-04
申请人： Antonio Di Giandomenico , David San Segundo Bello , Andreas Wiesbauer , Fabio Ballarin , Martin Clara
发明人： Antonio Di Giandomenico , David San Segundo Bello , Andreas Wiesbauer , Fabio Ballarin , Martin Clara
IPC分类号： H03M3/00
摘要： Techniques for tuning filters of modulation circuits are described herein.
摘要翻译： 本文描述了用于调谐电路的调谐滤波器的技术。
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公开(公告)号：US08791755B2
公开(公告)日：2014-07-29
申请号：US13267476
申请日：2011-10-06
IPC分类号： H03F3/38
CPC分类号： H03F3/45475 , H03F2203/45644
摘要： A self-oscillating driver circuit includes a driver stage, a feedforward path which is coupled to an input of the driver stage, and a feedback path which couples an output of the driver stage to an input of the feedforward path. The feedforward path includes a feedforward filter which is designed as an active filter. In order to prevent an oscillatory state of the driver circuit at an unwanted frequency, it is proposed that an internal state variable of the feedforward filter be monitored and that the feedforward filter be reset if the value of the monitored internal state variable is outside a predefined range.
摘要翻译： 自振荡驱动器电路包括驱动器级，耦合到驱动器级的输入的前馈路径以及将驱动级的输出耦合到前馈路径的输入的反馈路径。 前馈路径包括被设计为有源滤波器的前馈滤波器。 为了防止驱动电路的振荡状态处于不期望的频率，建议监视前馈滤波器的内部状态变量，并且如果所监视的内部状态变量的值在预定义的值之外，则前馈滤波器被复位 范围。
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公开(公告)号：US08063697B2
公开(公告)日：2011-11-22
申请号：US11512706
申请日：2006-08-30
CPC分类号： H03F3/45475 , H03F2203/45644
摘要： A self-oscillating driver circuit comprises a driver stage, a feedforward path which is coupled to an input of the driver stage, and a feedback path which couples an output of the driver stage to an input of the feedforward path. The feedforward path comprises a feedforward filter which is designed as an active filter. In order to prevent an oscillatory state of the driver circuit at an unwanted frequency, it is proposed that an internal state variable of the feedforward filter be monitored and that the feedforward filter be reset if the value of the monitored internal state variable is outside a predefined range.
摘要翻译： 自振荡驱动器电路包括驱动器级，耦合到驱动器级的输入的前馈路径以及将驱动器级的输出耦合到前馈路径的输入的反馈路径。 前馈路径包括被设计为有源滤波器的前馈滤波器。 为了防止驱动电路的振荡状态处于不期望的频率，建议监视前馈滤波器的内部状态变量，并且如果所监视的内部状态变量的值在预定义的值之外，则前馈滤波器被复位 范围。
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公开(公告)号：US07453382B2
公开(公告)日：2008-11-18
申请号：US11651925
申请日：2007-01-10
IPC分类号： H03M3/00
摘要： A method and an apparatus for converting an analog input signal into a digital output signal using a sigma-delta modulator architecture with a digital tracking filter. The digital tracking filter may have and order greater than one, and the signal and noise transfer functions of the sigma-delta modulator architecture are chosen to provide a sigma-delta modulator architecture with a high dynamic range even if a relatively low oversampling ratio is used.
摘要翻译： 一种使用具有数字跟踪滤波器的Σ-Δ调制器架构将模拟输入信号转换为数字输出信号的方法和装置。 数字跟踪滤波器可以具有大于1的数量跟踪滤波器，并且选择Σ-Δ调制器架构的信号和噪声传递函数以提供具有高动态范围的Σ-Δ调制器架构，即使使用相对较低的过采样比 。
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7.发明申请Circuit and Method for Pulse Width Modulation by Means of Synchronized, Self-Oscillating Pulse Width Modulators 有权通过同步，自振荡脉宽调制器进行脉宽调制的电路和方法公开(公告)号：US20070286273A1
公开(公告)日：2007-12-13
申请号：US11760066
申请日：2007-06-08
CPC分类号： H03K7/08 , H03F3/217 , H03F2200/351
摘要： A pulse width modulator circuit has two self-oscillating pulse width modulators and a synchronization circuit for synchronizing the two self-oscillating pulse width modulators. It also comprises an auxiliary-signal generating circuit for generating an auxiliary signal which is coupled into the two self-oscillating pulse width modulators.
摘要翻译： 脉宽调制器电路具有两个自振荡脉宽调制器和同步两个自振荡脉宽调制器的同步电路。 它还包括辅助信号发生电路，用于产生耦合到两个自振荡脉冲宽度调制器中的辅助信号。
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公开(公告)号：US20070069814A1
公开(公告)日：2007-03-29
申请号：US11512706
申请日：2006-08-30
IPC分类号： H03F3/217
CPC分类号： H03F3/45475 , H03F2203/45644
摘要： A self-oscillating driver circuit comprises a driver stage, a feedforward path which is coupled to an input of the driver stage, and a feedback path which couples an output of the driver stage to an input of the feedforward path. The feedforward path comprises a feedforward filter which is designed as an active filter. In order to prevent an oscillatory state of the driver circuit at an unwanted frequency, it is proposed that an internal state variable of the feedforward filter be monitored and that the feedforward filter be reset if the value of the monitored internal state variable is outside a predefined range.
摘要翻译： 自振荡驱动器电路包括驱动器级，耦合到驱动器级的输入的前馈路径以及将驱动器级的输出耦合到前馈路径的输入的反馈路径。 前馈路径包括被设计为有源滤波器的前馈滤波器。 为了防止驱动电路的振荡状态处于不期望的频率，建议监视前馈滤波器的内部状态变量，并且如果所监视的内部状态变量的值在预定义的值之外，则前馈滤波器被复位 范围。
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公开(公告)号：US20120019317A1
公开(公告)日：2012-01-26
申请号：US13267476
申请日：2011-10-06
IPC分类号： H03F1/00
CPC分类号： H03F3/45475 , H03F2203/45644
摘要： A self-oscillating driver circuit includes a driver stage, a feedforward path which is coupled to an input of the driver stage, and a feedback path which couples an output of the driver stage to an input of the feedforward path. The feedforward path includes a feedforward filter which is designed as an active filter. In order to prevent an oscillatory state of the driver circuit at an unwanted frequency, it is proposed that an internal state variable of the feedforward filter be monitored and that the feedforward filter be reset if the value of the monitored internal state variable is outside a predefined range.
摘要翻译： 自振荡驱动器电路包括驱动器级，耦合到驱动器级的输入的前馈路径以及将驱动级的输出耦合到前馈路径的输入的反馈路径。 前馈路径包括被设计为有源滤波器的前馈滤波器。 为了防止驱动电路的振荡状态处于不期望的频率，建议监视前馈滤波器的内部状态变量，并且如果所监视的内部状态变量的值在预定义的值之外，则前馈滤波器被复位 范围。
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10.发明申请公开(公告)号：US20090085784A1
公开(公告)日：2009-04-02
申请号：US11865539
申请日：2007-10-01
申请人： Antonio Di Giandomenico , Martin Clara , David San Segundo Bello , Wolfgang Klatzer , Luca Gori , Andreas Wiesbauer
发明人： Antonio Di Giandomenico , Martin Clara , David San Segundo Bello , Wolfgang Klatzer , Luca Gori , Andreas Wiesbauer
CPC分类号： H03M1/1033 , H03M1/742 , H03M3/386 , H03M3/424 , H03M3/454
摘要： In an integrated circuit including a first multibit digital-to-analog converter and a second multibit digital-to-analog converter, a calibration circuit is provided which is shared between the first and second digital-to-analog converters.
摘要翻译： 在包括第一多位数模转换器和第二多位数模转换器的集成电路中，提供了在第一和第二数模转换器之间共享的校准电路。
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