-
公开(公告)号：US20070018721A1
公开(公告)日：2007-01-25
申请号：US11474636
申请日：2006-06-26
IPC分类号： H03F1/36
摘要： Driver circuit for driving a transmit signal for a line comprising a signal amplifier which delivers a transmit signal, present at a signal input of the signal amplifier, amplified with a gain to a signal output, a line interface circuit which is connected between the signal output of the signal amplifier and the line, and comprising a hybrid circuit which is connected to the line interface circuit, wherein the hybrid circuit suppresses the transmit signal and couples a received signal received via the line to a signal input of the signal amplifier for the purpose of impedance synthesis.
摘要翻译： 驱动电路，用于驱动线路的发射信号，该线路包括信号放大器，该信号放大器传送出现在信号放大器的信号输入处的发射信号，其中增益被放大到信号输出;线路接口电路，连接在信号输出端 的信号放大器和线路，并且包括连接到线路接口电路的混合电路，其中混合电路抑制发射信号并将经由线路接收的接收信号耦合到信号放大器的信号输入端用于该目的 的阻抗合成。
-
公开(公告)号：US20120063589A1
公开(公告)日：2012-03-15
申请号：US13297319
申请日：2011-11-16
IPC分类号： H04M1/00
摘要： A driver circuit for driving a transmit signal for a line includes a signal amplifier configured to deliver a transmit signal, present at a signal input of the signal amplifier, amplified with a gain to a signal output, a line interface circuit connected between the signal output of the signal amplifier and the line, and a hybrid circuit connected to the line interface circuit, the hybrid circuit configured to suppress the transmit signal and couple a received signal received via the line to a signal input of the signal amplifier to provide impedance synthesis.
摘要翻译： 用于驱动线路的发射信号的驱动电路包括：信号放大器，被配置为传送出现在信号放大器的信号输入处的发射信号，其中增益被放大到信号输出;线路接口电路，连接在信号输出端 信号放大器和线路的混合电路以及连接到线路接口电路的混合电路，所述混合电路被配置为抑制发射信号并将经由线路接收的接收信号耦合到信号放大器的信号输入端以提供阻抗合成。
-
公开(公告)号：US08077856B2
公开(公告)日：2011-12-13
申请号：US11474636
申请日：2006-06-26
IPC分类号： H04M1/00
摘要： Driver circuit for driving a transmit signal for a line comprising a signal amplifier which delivers a transmit signal, present at a signal input of the signal amplifier, amplified with a gain to a signal output, a line interface circuit which is connected between the signal output of the signal amplifier and the line, and comprising a hybrid circuit which is connected to the line interface circuit, wherein the hybrid circuit suppresses the transmit signal and couples a received signal received via the line to a signal input of the signal amplifier for the purpose of impedance synthesis.
摘要翻译： 驱动电路，用于驱动线路的发射信号，该线路包括信号放大器，该信号放大器传送出现在信号放大器的信号输入处的发射信号，其中增益被放大到信号输出;线路接口电路，连接在信号输出端 的信号放大器和线路，并且包括连接到线路接口电路的混合电路，其中混合电路抑制发射信号并将经由线路接收的接收信号耦合到信号放大器的信号输入端用于该目的 的阻抗合成。
-
4.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。
-
5.发明授权Circuit and method for pulse width modulation by means of synchronized, self-oscillating pulse width modulators 有权通过同步的自振荡脉冲宽度调制器进行脉宽调制的电路和方法公开(公告)号：US07486155B2
公开(公告)日：2009-02-03
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。
-
6.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。
-
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。
-
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。
-
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 。
-
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。
-
-
-
-
-
-
-
-
-
搜索结果
131 条记录 (耗时 0.025 秒)
