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公开(公告)号：US08307309B1
公开(公告)日：2012-11-06
申请号：US12195326
申请日：2008-08-20
IPC分类号： G06F17/50
CPC分类号： G06F17/5045 , G06F17/504 , G06F17/5063
摘要： A method is described that involves identifying a subset of operational scenarios for a circuit being designed. The family of equations are solved for the circuit over the subset and the solving produces numeric values for design parameters of the circuit. The family of equations enhanced with said numeric values are solved over a remainder of the scenarios and none of the remaining scenarios are identified as being infeasible scenarios. A design for the circuit that includes the numeric values is produced.
摘要翻译： 描述了一种涉及识别正在设计的电路的操作场景的子集的方法。 为子集中的电路求解方程族，求解产生电路设计参数的数值。 利用所述数值增强的方程组在余下的情景中得到解决，而其余情景都不被识别为不可行的场景。 产生包含数值的电路设计。
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公开(公告)号：US20130125081A1
公开(公告)日：2013-05-16
申请号：US13669342
申请日：2012-11-05
IPC分类号： G06F17/50
CPC分类号： G06F17/5045 , G06F17/504 , G06F17/5063
摘要： A method is described that involves solving a family of equations for a circuit being designed over a subset of operational scenarios, thereby producing numeric values for design parameters of the circuit. The family of equations is enhanced with the numeric values are solved over a second subset of the operational scenarios. A design for the circuit that includes the numeric values is produced.
摘要翻译： 描述了一种方法，其涉及解决在操作场景的子集上设计的电路的一系列方程，由此产生用于电路的设计参数的数值。 通过在操作场景的第二个子集上解决数值来增强方程族。 产生包含数值的电路设计。
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公开(公告)号：US06311145B1
公开(公告)日：2001-10-30
申请号：US09335227
申请日：1999-06-17
IPC分类号： G06F1750
CPC分类号： G06F17/5063
摘要： A method for the design and optimization of inductors for RF circuits. This method consists in the formulation of RF circuit designs as geometric programs. The designer can specify a wide variety of specifications such as gain, bandwidth, noise, etc. The method, which was implemented in simple code, determines inductor dimensions and component values in a few seconds real-time. The results was also a globally optimal design.
摘要翻译： 一种用于RF电路的电感器的设计和优化的方法。 这种方法包括将RF电路设计作为几何程序。 设计人员可以指定各种规格，如增益，带宽，噪声等。以简单代码实现的方法可以在几秒钟内实时确定电感尺寸和元件值。 结果也是全球最佳设计。
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4.发明申请Automated Circuit Design For Generation of Stability Constraints for Generically Defined Electronic System with Feedback 有权用于产生具有反馈的一般定义电子系统的稳定性约束的自动电路设计公开(公告)号：US20130179849A1
公开(公告)日：2013-07-11
申请号：US13784626
申请日：2013-03-04
IPC分类号： G06F17/50
CPC分类号： G06F17/5045 , G06F17/5063
摘要： A method is described that involves accepting a description of an electronic system having feedback. The method further includes expressing a real root of the electronic system's transfer function and expressing a real part of a complex root of the electronic system's transfer function. The method further includes expressing a time parameter as a maximum of the real root and the real part of a complex root. The method further involves expressing a settling time of the electronic system with the time parameter and using the settling time to automatically generate a design for the electronic system.
摘要翻译： 描述了一种涉及接受具有反馈的电子系统的描述的方法。 该方法还包括表达电子系统传递函数的真实根，并且表达电子系统传递函数的复数根的实部。 该方法还包括将时间参数表示为复根的实根和实部的最大值。 该方法还包括利用时间参数表达电子系统的建立时间，并使用建立时间自动生成电子系统的设计。
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5.发明授权公开(公告)号：US07039885B1
公开(公告)日：2006-05-02
申请号：US10348723
申请日：2003-01-21
CPC分类号： G06F17/5045 , H03K3/0322 , H03K5/133 , H03L7/0995
摘要： Methods are described that involve characterizing an oscillator's jitter or phase noise over a plurality of the oscillator's effective number of delay stages. The oscillator comprises a series of delay stages. Each one of the effective number of delay stages, if selected for the oscillator, describes a respective permissible range of inverter drive strengths that may be used within each delay stage of the oscillator to achieve a respective jitter or phase noise characteristic.
摘要翻译： 描述了涉及在多个振荡器有效数量的延迟级上表征振荡器抖动或相位噪声的方法。 该振荡器包括一系列延迟级。 有效数量的延迟级中的每一个，如果选择振荡器，则描述可在振荡器的每个延迟级内使用的逆变器驱动强度的相应允许范围，以实现相应的抖动或相位噪声特性。
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6.发明授权Automated circuit design process for generation of stability constraints for generically defined electronic system with feedback 有权自动电路设计过程，用于产生具有反馈的一般定义的电子系统的稳定性约束公开(公告)号：US08392857B2
公开(公告)日：2013-03-05
申请号：US12631672
申请日：2009-12-04
IPC分类号： G06F9/455
CPC分类号： G06F17/5045 , G06F17/5063
摘要： A method is described that involves accepting a description of an electronic system having feedback. The method further includes expressing a real root of the electronic system's transfer function and expressing a real part of a complex root of the electronic system's transfer function. The method further includes expressing a time parameter as a maximum of the real root and the real part of a complex root. The method further involves expressing a settling time of the electronic system with the time parameter and using the settling time to automatically generate a design for the electronic system.
摘要翻译： 描述了一种涉及接受具有反馈的电子系统的描述的方法。 该方法还包括表达电子系统传递函数的真实根，并且表达电子系统传递函数的复数根的实部。 该方法还包括将时间参数表示为复根的实根和实部的最大值。 该方法还包括利用时间参数表达电子系统的建立时间，并使用建立时间自动生成电子系统的设计。
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公开(公告)号：US07102449B1
公开(公告)日：2006-09-05
申请号：US10348822
申请日：2003-01-21
IPC分类号： H03B5/04
CPC分类号： H03K3/0322 , H03K2005/00208
摘要： An oscillator delay stage is described. The oscillator delay stage includes at least one differential input; a pair of single ended inverters for each differential input; and, a differential output. With respect to the pair of single ended inverters for each differential input, each pair of single ended inverters further include for their corresponding differential input: i) a first single ended inverter whose input is coupled to a + input of the corresponding differential input; and, ii) a second single ended inverter whose input is coupled to a − input of the corresponding differential input. With respect to the differential output, the differential input further includes: i) a + output that is coupled to each said second single ended inverter output; ii) a − output that is coupled to each said first single ended inverter output.
摘要翻译： 描述振荡器延迟级。 振荡器延迟级包括至少一个差分输入; 用于每个差分输入的一对单端反相器; 和差分输出。 对于每个差分输入的一对单端反相器，每对单端反相器还包括用于其对应的差分输入：i）第一单端反相器，其输入耦合到相应差分输入的+输入; 以及ii）第二单端逆变器，其输入耦合到相应差分输入的输入端。 对于差分输出，差分输入还包括：i）耦合到每个所述第二单端反相器输出的a +输出; ii）耦合到每个所述第一单端逆变器输出的a输出。
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