电路的

In the aspect of yield optimization, the worst-case distance from the circuit parameter center to the acceptance region boundary are treated by the objective function of yield optimization.

在电路成品率优化方面，将当前电路参数中心到可行域边界的最坏情况距离，作为电路成品率优化的目标函数，利用梯度优化算法，使最坏情况距离达到最大，从而优化电路的成品率。

The damped oscillation circuit tends to emerge in circuit analysis. Due to its wide application in various leading engineering fields, it is necessary to discuss about the characteristics of this category of circuit.

在电路分析中经常会遇到一些阻尼振荡电路，由于这类电路在高压断路器开断能力测试、受控热核研究等许多重要的工程领域有着极为广泛的应用，因此有必要对此类电路的特性加以讨论研究。

First, according to designs the request, designs the circuitry block diagram, then, through to the circuitry analysis, carries on the choice and the hypothesis corresponding electrograph part parameter to the circuit element, finally, designs the electric circuit the wiring diagram and carries on the function test to the overall system.

首先，根据设计要求，设计电路原理方框图，然后，通过对电路原理的分析，对电路元件进行选择并设定相应的电图元件参数，最后，设计电路的接线图并对整个系统进行功能测试。

At last, the design process of this project is described in detail, including the analysis and design of phase/frequency detector, charge pump, loop filter and voltage controlled oscillator, as well as the whole circuit system. All circuits are simulated with Hspice simulation software.

论文最后详细讲述了电路的设计过程，包括对锁相环的整体电路以及对鉴频鉴相器、电荷泵、环路滤波器、压控振荡器等电路模块的分析和设计，同时利用Hspice仿真软件对电路进行了仿真。

The invention discloses a method to integrate single CMOS with bulk silicon microelectromechanical system, its technical project: 1 forming isolating groove: adopting deep-groove etching, and SiO2 and polycrystal silicon filling to realize the insulation of MEMS structure and CMOS circuit; 2 making standard CMOS circuit; 3 using SiO2 and Si3N4 as mask, etching silicon on the back until exposing SiO2 at the bottom of the isolating groove, to complete the thickness control for MEMS silicon structure layer; 4 completing metalizing the CMOS circuit and masking the MEMS structure: MEMS structure region uses Al as mask and CMOS circuit region uses thick photoetching glue as mask, using DRIE to release silicon structure.

本发明公开了一种将单片CMOS与体硅微机械系统集成的方法，其技术方案为：1形成隔离槽：采用深槽刻蚀，SiO 2 和多晶硅填充，实现MEMS结构和CMOS电路的绝缘；2完成隔离槽后进行标准CMOS电路的加工；3用SiO 2 和Si 3 N 4 作掩膜，从背面腐蚀硅，直至暴露出隔离槽底部的SiO 2 ，完成MEMS硅结构层的厚度控制；4完成CMOS电路金属化和MEMS结构掩膜：MEMS结构区用铝作掩膜，CMOS电路区用厚光刻胶作掩膜，用DRIE释放硅结构。用本发明方法不仅获得了较大的质量块，而且用本发明较高的深宽比制作出的结构电容，同时实现了体硅微机械与CMOS电路的集成，显著提高MEMS传感器的精度和稳定性，具有前沿性和重要实用价值。

The design for impedance converting circuit of input current,transistor amplifying circuit and converting circuit of output current is presented.The telegrapher equations are adopted to determine the impedance of transmission-line transformer,which is used to convert circuit impedance between signal source and transistor.

讨论了放大器输入回路阻抗变换电路、晶体管放大电路以及输出回路阻抗变换电路的设计思想，运用电报方程从理论上推导出用于信号源和晶体管之间阻抗变换的传输线变压器输入输出阻抗计算公式，由此设计出模拟信号处理电路中非常重要的AB类高功率放大器。

Aiming at the features of the mute circuit of PVW2000 series video-recorder with power on, illustrates their general principles, offers the inner circuit to the power on pulse generator M51957BL, the parameters for the main parts and the reference voltage for every key points in different conditions.

针对PVW 2 0 0 0系列录像机中开机静音电路的特点，对其基本原理进行了详细的分析，给出了电源检测元件M5 195 7BL的内部电路、各主要元件的参数以及不同状态下电路中各关键点的参考电压，指出了系统内不同单元开机静音电路的差异及电路故障的排除方法。

The paper presents analysis and design methods of sequential logical circuit to make reader under-stand principles of the basic trigger,master—slave trigger and the edge tripple based on knowing the combina-tional logical circuit design.

摘 要：介绍了时序逻辑电路的分析和设计方法，使读者在了解了组合逻辑电路设计的基础上，了解基本触发器、主从触发器和边沿触发器原理，能够分析、设计以触发器为核心元件，且与电路初态有关的时序逻辑电路。

Firstly it introduces relevant technical developments and trends, the task background and significance of the study, then analyzes hardware circuit of using image sensor as images collected, and utilizes the SAA7113 chip to deal with video image beforehand, SAA7113 lets the output of standard digital video signals to storage in FIFO memory, and decodes clock signals, Highlighted microprocessor control external circuit design of false coin and counting, and DSP control external circuit design, such as memory expand ect;Finally analyses CPLD as logic controller to control the logic and scheduling of some part ,and gives the undee emluator of some logic circuit.

文章首先阐述人民币智能分捡器相关技术的发展状况、发展趋势以及课题背景与研究意义；然后设计了利用图像传感器采集人民币图像输出模拟视频信号的硬件电路，以及利用视频解码芯片(SAA7113)对模拟视频图像进行预处理，SAA7113输出的标准数字视频信号存入FIFO存储器，同时还解码输出场、行同步信号、像素时钟信号送入CPLD等部分电路；重点设计了单片机控制验钞、点钞等外围电路，以及DSP控制的外围电路，如存储器的扩展等部分；最后完成CPLD对部分器件的逻辑和时序控制设计，并对逻辑电路的功能进行仿真，仿真结果令人满意。

A superimpose d circuit derived from two suitably arranged pairs of wires called side circuits,with each pair of wires being a circuit itself and at the same time acting as one conductor of the phantom circuit.

一种由称作半边电路的两对线路经适当安排形成的叠加电路。每一对线本身既作为电路，同时又充当幻象电路的一个导体。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。