Determined the electrical parameters of the charge IC, booster transformers, rectifiers, capacitance, trigger coil, excitation capacitor and IGBT, I completed the final printed circuit boards.
在确定了充电IC、升压变压器、整流器、大电容、触发线圈、激发电容、IGBT等元器件的电学参数之后，最终完成电路板印制。
After the design of BLDCM controller in a project was completed, malfunctions caused frequently by a short circuit. The miller capacitor and dv/dt induced false turn-on were main problems.
在某项目无刷直流电动机控制器设计完全成之后，实验中频繁出现短路故障，经分析是由于米勒电容充电以及dv/dt导致误导通。
It may help to run the female feeding system in the dark until one full circuit has been completed.
在不开灯的情况下，先让母鸡料槽运转直到转完一圈后再开灯，这种的做法也很可取。
Adopt the C language plait distance in the software aspect, completed the figures tube manifestation program design which count to measure soon a mold piece and report to the police the electric circuit mold piece and system to correspond by letter a mold piece of the mold piece, pulse, it mainly involved a single slice machine in fixed time with break off of usage.
在软件方面采用C语言编程，完成了数码管显示模块、脉冲计数测速模块、报警电路模块和系统通信模块的程序设计，其主要涉及了单片机的定时和中断的使用。
The design of schematic circuit and printed circuit board is completed with Protel.
电路板原理图和印刷电路板的设计都是用Protel完成的。
The hardware debugging of the Space Process module circuit has been completed with success. All the modules implemented in FPGA have been proved correct by software simulation and test. The design of the schedule submodule can offer some useful references in how to share a data path between multi-ports. The asynchrony FIFO module can be applied in the other asynchrony interface circuit design in multi-clock system.
本文中介绍的空域处理板的硬件电路已经调试成功，基于FPGA设计的数据接口模块和数据处理模块也都已经通过了时序仿真和验证；文中介绍的控制调度模块的设计对于多端口复用一条传输路径的电路设计具有一定的参考价值；异步FIFO的设计方案对于多时钟系统中异步接口电路的设计具有一定的参考价值。
First, plenty of X-ray spectrum measurement documents and materials were analyzed and compared in order to prove our scheme theoretically; Second, the CMOS devices were the key parts for filtering, amplifying and Max Amplitude Detecting of the detecters`analog outputs; Third, the low power assumption and fast A/D devices were chosed to implement the 4096 channels detecting; Fourth we not only designed the timing control of sytem circuit, but also completed the control of the Max Amplitude Circuit based on the CPLD; Fifth, in order to complete high-speed data transfer between the PCI local bus and Double Ram, the PCI bus with PCI 9030 chip was our first choice.
首先，论文对X光探测及其测量系统作了大量的文献调研，在理论上保证了整个方案的可行性；其次，采用CMOS器件对探测器输出的模拟信号进行滤波、放大、峰值甄别处理；第三，根据脉冲信号的幅频特性，选择低功耗高速的A/D器件，实现X光谱的4096道测量；第四，利用CPLD芯片和Quartus II 软件，设计并实现了整个硬件电路的时序控制，并且实现对幅值电路的控制；第五，利用PCI9030的特性，设计了PCI总线，实现PCI局部总线与双口RAM之间数据的高速传输。
General circuit board has the right lines to use most of the wet process, the use of medicine and mechanical jet technology will line the developer, etching, stripping the preapplied work completed.
一般的电路板对线路的呈现大多使用湿式的处理程序，利用药水的特性和机械喷流的技术将线路的显影、蚀刻、干膜剥除等工作完成。
A capacitance sensor used in measuring reservoir physical model saturation was designed, the sensor mathematical model was established, the theory of capacitance sensor in measuring saturation was analyzed, its testing circuit theory was discussed and its testing circuit design was completed.
设计了一种用于测量油藏物理模拟平均饱和度的电容式传感器，建立了传感器的数学模型，对电容式传感器测量饱和度的原理进行了详细分析，讨论了传感器的检测电路原理，完成了传感器的检测电路设计，在虚拟电子工作平台上，对该检测电路做了仿真实验分析，仿真数据表明该传感器具有较好的非线性。
The full flow has been completed, including circuit design, layout and parasitic parameter extracting.
摘要本文提出了一种适用于FTTH155M接收机的前置放大器的设计并完成其版图级的设计和反标验证。
The purpose of this thesis is to put forward a novel 155MHz pre-amplifier for FTTH. The full flow has been completed, including circuit design, layout and parasitic parameter extracting.
本文提出了一种适用于FTTH155M接收机的前置放大器的设计并完成其版图级的设计和反标验证。
The department has successively developed a cellphone duplexor automatic test system and a system for testing the functions of electronic circuit boards. It has also completed the technical innovation on an antenna testing system for the manufacturer.
本部先后为科研生产和航天等单位成功开发了手机双工器自动测试系统、电子线路板功能测试系统及天线测试系统的技术改造，创造了良好的经济和社会效益。
I completed the writing of program and the commissioning, as well as the design of hardware circuit, including the improvement of trigger circuit and detection circuit, and I completed the in-site commissioning of them.
完成了程序的编写和调试，以及硬件回路的设计包括触发回路和检测回路的改进，并完成了现场的调试工作。
As it were, fixed logic devices in the circuit is permanent, they had completed one or a set of functions - once manufactured, they can not be changed.
一如其名，固定逻辑器件中的电路是永久性的，它们完成一种或一组功能-一旦制造完成，就无法改变。
The design of digital filter and basic digital circuit is completed by FPGA.
因此，在这里还详细的介绍了放大滤波电路的设计原理及具体实现电路。
Then has carried on the ECU system's on electricity reset circuit, the crystal oscillator electric circuit and the serial port level switch electric circuit's design; Then with emphasis has studied the TC35 basic function, has completed the TC35 module peripheral circuit design; When design system's voltage-stabilized source electric circuit, used two large capacity electrolytic capacitor coordination high performance LM2576 constant voltage chip to satisfy TC35 and overall system's power supply demand, enabled the system the steady work; Has designed one in the single chip microcomputer and between the automobile circuitry the driving circuit which is composed of ULN2003, enables the single chip microcomputer to be possible to actuate the relay to control in automobile's electric circuit, the oil duct, to control the door lock, the caution light and the loudspeaker and so on, realizes the security warning function; Subsequently carries on each module's electric circuit the integration, has completed the system total electric circuit's design.
然后进行了ECU系统中的上电复位电路、晶振电路和串口电平转换电路的设计；接着重点研究了TC35的基本功能，完成了TC35模块的外围电路设计；在设计系统的稳压电源电路时，使用了两个大容量电解电容器配合高性能LM2576稳压芯片以满足TC35和整个系统的供电需求，使系统能够稳定工作；在单片机和汽车电路系统之间设计了一个由ULN2003组成的驱动电路，让单片机可以驱动继电器来控制汽车中的电路、油路、中控门锁、警示灯和喇叭等，以实现防盗报警功能；继而将各个模块的电路进行集成，完成了系统总电路的设计。
In the design of the system was completed to connect the hardware and software design, including the PLC hardware to connect the external wiring, main circuit and control circuits, software and instructions, including table ladder.
在对本系统的设计中完成了系统的硬件连线及软件的设计，硬件连线包括PLC 的外围接线、主电路及控制电路，软件包括梯形图及指令表。
The analog multiplication algorithm of the present invention is one improvement of available multiple precision CIOS algorithm with reduced inner loop number from two to one and reduced external variable access times. The analog multiplication arithmetic circuit consists of addition, multiplication, address and loop computation module, data register, logic control module, inner circuit and some special functional modules; and has less operation steps, raised operation speed and data length capable of being set. The analog exponent operation circuits consist of the analog multiplication arithmetic circuit, CPU and system RAM, and under the control of the CPU, several times of analog multiplication operation are completed. Between two times of the analog multiplication operation, the basic address is altered based on dynamic data address pointer technology with greatly speeded analog exponent operation speed.
本发明公开一种蒙格玛丽模乘算法及其采用该算法的模乘、模幂运算电路，本发明模乘算法在现有多精度CIOS算法的基础上作了改进，将两次内循环改为一次，并减少了访问外部变量的次数；本发明模乘运算电路，由加法、乘法、地址、循环运算模块，数据寄存器、逻辑控制模块、内部线路及一些特殊功能模块组成，顺序执行本发明算法的运算，减少了所需的操作步，从而提高了运算速度，同时可以对运算数据的长度进行设定；本发明模幂运算电路，由上述模乘运算电路和CPU、系统RAM组成，由CPU控制完成多次模乘运算，在两次模乘运算间，采用动态数据地址指针技术修改模乘运算电路中的基址，大大加快了模幂运算的速度。
After that, this paper deeply analyses the conversion sequence of A/D device AD7899 and the principle of the hardware design which uses two methods to complete the data transfer between the interface of GPIF and the asynchronous FIFO storage. During the software design section, the thoughts of the software program are explained from four aspects. Firstly, in order to corporate with peripherylogic circuit and realize high date transfer rate, firmware is completed. Secondly, this paper discusses the device driver programs.
在软件设计方面，主要从四个方面阐述了该系统软件编程思想：一是配合外围逻辑电路实现最大传输速率和运行效率的固件程序编程；二是主机设备驱动程序和固件下载驱动程序；三是以动态链接库形式封装的方便用户再开发的功能函数和作为数据采集卡演示的主机应用程序；四是作频谱分析使用的软件系统。
The foundation on which the layout has been edited is schematic circuits and process. The layout has also been completed with the DRC, ERC, Extraction and LVS checking. And then, this circuit succeed in engineering lots with the Bipolar process of BCD Co., Ltd, and the design spec has been met, which will contribute to the independent research and development of monolithic AM/FM circuits.
通过对各部分电路的设计分析，利用计算机仿真软件(Hspice，Spectre，Spectres)验证了电路设计的可行性，并完成了电路的版图全定制设计，通过了DRC(Design Ruler Check版图设计规则检查)、ERC(Electrics Ruler Check电学规则检查)、Extraction及LVS(Layout vs Schematic电路网表匹配)检查，利用BCD公司的Bipolar工艺，完成工程流片，验证实现了设计指标，为自主批量生产单片调频调幅电路打下了坚实的基础。