电源地

请勿接触任何会为通向被测电路的共用侧或电源地的电流提供通路的物体。

Do not touch any object that could provide a current path to the common side of the circuit under test or power line ( earth ) ground .

目前，数字集成电路朝着高功率，低电压的方向发展，电源地平面上的同步开关噪声成为高速设计的主要瓶颈之一。

With trend of the digital integrated circuit toward high power and low voltage , Simultaneous Switching Noise ( SSN ) has become the bottleneck of the high speed design on the power plane .

文章大胆的将门控功耗单元用于可测试性设计，提出了新的触发器和时钟单元布局方法以及新的电源地网络制作方法。

The article associates the power-gating units and DFT bravely , creates a new flip-flop unit and points out a new clock distribution methods . Meanwhile we support a new method of power network production .

Mesh结构电源/地布线网络分析方法综述

A Survey of Mesh-Based Power / Ground Network Analysis

功率集成电路中的高压电源和地之间的ESD保护

High Voltage VDD-to-VSS ESD Protection in Power IC

该保护电路不会导通.因此这种利用晶体管延时的保护电路完全可以作为CMOS集成电路电源和地之间的ESD保护电路。

So the given ESD protection circuit using transistor delay can be well applied to VDD-to-VSS ESD protection in CMOS IC .

文章在叙述Mesh结构电源/地布线网络分析模型的基础上，简要介绍了电源/地布线网络分析方法的研究进展，并指出了该研究领域存在的一些问题。

According to mathmatical model of mesh-based power / ground network analysis , latest progresses in the research and development of power / ground network analysis are described and problems related are discussed .

这种高频电源较好地实现了开关管的零电压（ZVS）软化，得到了较宽的调功范围。

The high frequency inverter used here can achieve zero voltage soft switching ( ZVS ) and wide power regulation range .

本文提出一种新型EBG结构，构成的电源/地平面在较宽的频带内具有良好的噪声抑制性能，并且加工简单，成本低廉。

In this thesis , a novel power / ground plane pair based on a novel EBG structure is proposed , which can efficiently eliminate the SSN within a broad-band frequency range .

本文的设计具有一定的电源和地抑制比，在1MHz频率处，PSRR大于30dB。

This design has a good performance in power supply rejection ratio . PSRR is greater than 30 dB in 1 MHz frequency .

非稳定直流电源放电地闪模式

Ground flash mode of not stabilizing direct current power discharge

谈施工现场临时电源接地方式的选择

Selection of grounding ways for electrical power in construction site

采用电磁场仿真和测量技术快速定位电源/地阻抗存在的问题

Positioning Power / Ground Plane Issues with EDA Tools and EMI Measurement Technology

列出了芯片内部电源、地布线宽度的计算方法；

The calculating method for width of V DD and V SS routing is listed ;

讨论了电源／地噪声以及衬底耦合噪声的影响，以及基本抑制方法。

The impact and of power supply / ground noise and substrate coupling noise are discussed .

EKOS优化技术是一项有效的模拟方法，将被广泛的应用在电源/地网络分析中。

EKS method is an effective simulation ; it was widely used in power / ground network analysis .

首先从谐振腔模型法入手分析了电源／地平面谐振特性和降低输入阻抗的方法。

Firstly , the power / ground resonance and low input impedance with method of cavity model is discussed .

随后用混合S参数，分析了差分对和电源/地之间的相互影响。

After that , using mixed-mode S-parameters analyzes the interaction between the differential lines and the power plane structure .

由工作特性决定，电除尘电源频繁地出现闪络重启动。

Determined by the operation characteristics , electrostatic precipitator generates flashover frequently and then the ESP power supply restart .

其中数字低频电源较好地解决了低频电源设计中的主回路结构和环流控制方式等问题。

The low-frequency digital power give a good solution to the main circuit structure and the control of loop current .

通过理论分析和点电源三维地电场计算实例，阐述该法是地电三维正演计算的有效方法。

Theory analyses and computation examples of 3-D geoelectric field show Lanczos algorithm is a efficacious method of 3-D geoelectric field forward modeling .

一般是由于带电拔插系统中接插件，或电路中电源对地之间短路而引起，此时可采用静态电阻测量法。

General is due to the live system connector plug or circuit between the power-to-ground short-circuit caused by , at this point resistance measurement method can be static .

本文建立了差分对电路模型，先进行差分线回流引起电源/地之间谐振进行了时域分析。

This paper establishes a differential line circuit model . Time-domain analysis of power / ground resonance was executed , which was caused by return current of differential pair .

同时，本文针对电源／地网络、时钟分布网络以及片上总线等全局互连设计进行了详细的分析，并提出了行之有效的优化方法。

Moreover , this paper makes detailed analysis of power / ground network , clock distribution network and on-chip buses . It proves to be a very efficient optimization method .

并利用将系统功率部分和控制部分电源、地彼此隔离的方法，提高了系统的可靠性，降低了系统内部干扰；

By insulating the source and the ground between the power circuit and the control circuit , the stability of the system is improved , and the disturbance of the system is reduced .

还提出了现场试验中几种典型的试验方法：跳闸回路的绝缘试验、装置电源对地绝缘测量、电流互感器伏安特性测量及二次负载核算方法。

Several typical test methods are also provided , such as insulation test of tripping circuit , insulation measuring of power supply to ground , volt-ampere characteristic measurement of current transformer and secondary load check method .

为建立良好的供电网络，设计了基于目标阻抗法的电源/地平面输入阻抗，并讨论了电容的选取和放置原则。

In order to establish a robust power delivery network , the input impedance of the power / ground plane pair is designed to maintain the target impedance and the placement and value of the decoupling capacitors are also discussed .

探讨了隔爆型磁力起动器控制电源接地的问题，提出在实际工作中磁力起动器9线必须接地，以确保煤矿井下供电安全。

Discusses the problem that control power source for flameproof magnetic starter is connected earth , puts forward the magnetic starter 9 # wire must be connected earth during the work , to ensure the power supply safety of coal mine .

这种稳压电源有效地解决了双向晶闸管的换向环流问题，可以在电网电压波动和负载轻重变化时实现稳压，其稳压精度为±1%

This AC power supply effectively solves the problem of triac circulating current while commutating . It makes AC voltage stabilization able to be realized when voltage is fluctuated and load is varied . The precision of AC output is ± 1 % .

EMI电源滤波器接地方法对共模插入损耗的影响

The Influence of Grounding on EMI Power Filter 's Common-mode Insertion Loss