Main Products: SYV video line, RVVP shield, RVV jacket line, AVVR jacket line, AVVR multi-core signal lines, RVSP shielded twisted-pair lines, coaxial cable, super-five line, microphone line, fire-retardant twisted pair various series monitor cable, security cable, weak system of cables, many security alarm system control cable, closed circuit television monitoring systems, multi-core shielded cable, audio cable, power cord, electronic wire, computer line, network line, Intelligent Systems portfolio line, lift the internal coding control lines, telephone lines and so on.
主要产品：SYV视频线、RVVP屏蔽线、RVV护套线、AVVR护套线、AVVR多芯信号线、RVSP双绞屏蔽线、同轴电缆、超五类线、话筒线、阻燃双绞线、各种系列监控线缆、安防线缆、弱电系统电缆、安防报警系统多控制电缆、闭路电视监控系统、多芯屏蔽线、音频线、电源线、电子线、电脑线、网络对线、智能系统组合线、电梯内部编码控制线、电话线等等。
This paper is focused on the FPGA internal logic design ideas and methods in the transmitting and receiving circuit board which composes the whole transmission system: The control implementation which includes the digital video decoder chip on the transmitting board, SRAM and the fiber physical layer transmission chip; The operation of asynchronous clock domain, display of the image restructuring and the coding technology design; image decoding in the receiving board`s FPGA, district display technology and the 24-bits parallel pixel data`s serial transmission designing.
论文着重介绍了组成整个传输系统的发送与接收电路板上FPGA内部的逻辑设计思想与设计方法：发送板上FPGA对数字视频解码芯片、片外SRAM以及光纤物理层传输芯片的控制实现，异步时钟域操作、显示图像重组与编码技术设计；接收板内FPGA的图像解码、分区显示技术以及24bit并行象素数据的串行传输方案实现。
Notes:(1) The Standby (pin 3) has an internal pull-up, and if it is left open circuit the module will operate when input power is applied.
注：（1）待机（引脚3）有一个内部上拉，如果是左开路模块将输入功率运行时应用。
Internal faults in stator windings are the common electrical fault of a generator. It includes turn-to-turn short circuit, phase-to-phase short circuit, sealing off and loss of phase fault. Most of these faults are initiated from failure of monitoring the turn-to-turn short circuit in time.
定子绕组内部故障是发电机比较常见的电气故障，它主要包括匝间短路、相间短路以及开焊断相故障，而它们大多都是由于最初匝间短路没有被及时监测出发展而成的。
The paper introduces the return circuit sensitivity in the experiment of the internal resistance by sensitive amperemeter with semi-bias method.
在半偏法测灵敏电流计内阻的实验中引入回路灵敏度，并采取近似处理找出回路灵敏度不足产生误差的最小值范围，同时从理论和实验两方面对回路灵敏度不足产生误差的原因进行分析，从而找到减小这一误差的途径。
By detecting the oscillation circuit natural frequency to determine the level of water. The frequencymeter use the Microprocessor internal counter to counting the film resonant frequency of the water level sensor pulse, then Microprocessor regular function to achieve frequency testing, final adoption of LED display circuit dynamic numerical show.
该频率计直接利用单片机内部的计数器对薄膜谐振式水位传感器的频率脉冲信号进行计数，然后利用单片机的定时功能实现对频率的检测，最后通过LED动态显示电路显示数值。
Modular reality, no internal wiring, up to 40 valve solenoids, discrete I/O status with short circuit protection, software or manual configuration, more...
模块化现实，没有内部布线，40阀电磁阀，离散I/O状态与短路保护，软件或手动配置，更多。。。
The internal transparent clamp circuit can restore composite video signal to fixed DC level.
内部透明钳位电路才能恢复复合视频信号，以固定直流水平。
It briefly introduced The MAX2452`s function, internal structure, pin array and typical apply circuit.
简要介绍MAX2452芯片的功能、内部结构、引脚排列及典型的应用电路。
There are pressure relidr devices on the busbar compartment, cable compartment, circuit breaker truck compartment. when producing arcdue to internal fault. The pressure of gas will rise quickly inside the switchgear. But because the front door is equipped with the special seals, metal plates of the pressure relief device on the top automaticly open backward to relieve pressure and exhaust gas to assure safety of operator.
F。压力释放装置：母线室、电缆室、手车室上方均设有压力释放装置，当断路器或母线发生内部故障电弧时，伴随着电弧的出现，开关柜内部气压升高，由于装设在门上的特殊密封圈把柜前面封闭起来，顶部压力释放金属板自动向柜后打开，释放压力和排泄气体，确保操作人员和开关柜安全。
There are several kinds of parasitic capacitances, including input and output parasitic capacitances of an OTA and the nodal parasitic capacitance at the internal node in an OTA-C (Operational Transconductance Amplifier and Capacitor) circuit. This leads to the difficulty to have the same places for both given capacitors and all the parasitic capacitances. When the differential-input OTA and floating capacitances are employed in the circuit structure, and the impossibility to obtain a high–frequency circuit with precise output responses by giving a proper capacitor value after absorbing the parasitic capacitance.
於OTA-C的电路中，由於寄生电容的种类繁多(包括输入端寄生电容，输出端的寄生电容，以及节点上的寄生电容)，使得当电路设计时，如果使用双输入端的OTA及浮接电容，便无法让外加电容的位置与所有寄生电容的位置相同；使得在过去的文献中，无法找到以吸收寄生电容值的大小，来给予恰当的外加电容值，而得到具有精准输出讯号的高频电路的构想。
Connect down the folio pass the steady pressing the design proceeding of the unit electric circuit of the power supply to expatiate detailedly with explain, pass the large quantity electric circuit diagram to proceeded the elucidation with writing to the work principle of the unit electric circuit, combine to introduce the MC7107 A/ D transformation machine internal composing, lead the feet function and its the basic principle that proceeding convert.
接下来对开关稳压电源的单元电路的设计进行了详细的阐述和说明，通过大量电路图和文字对单元电路的工作原理进行了说明，并介绍了MC7107 A/D变换器的内部构成、引脚功能以及其进行转换的基本原理。
Based on the definition of virtual flux given in this paper, a new method for identifying the magnetic inrush current with internal short circuit fault is proposed.
在定义虚拟磁通的基础上，根据虚拟磁通对于差电流的曲线在发生励磁涌流和发生内部短路故障情况下在中心对称性上具有明显区别的特征，提出了一种基于计算虚拟磁通的识别励磁涌流和内部短路故障的方法。
Focus on the work of circuit theory, job characteristics, and to give its internal structure.
重点阐述电路的工作原理、工作特性，并给出其内部结构。
Troubleshooting: Taking into account the internal liquid crystal display sync control circuit is generally set up an integrated circuit in the internal, and integrated circuits damaged slim.
故障解决：考虑到液晶显示器内部同步控制电路一般都是设置在一块集成电路的内部，且集成电路损坏的可能性微乎其微。
The literature shows that have been reported, most of the current on the printed circuit board scrap the pyrolysis research is carried out in an inert atmosphere, an atmosphere of inert pyrolysis drawback is that the pyrolysis product sample from spread to the internal inert gas can be taken away Location of the need for a longer period of time, prone to cracking the second reaction, and will emit a large amount of halogen-containing gas to be processed.
已有的文献报道表明，目前大部分关于废弃印刷电路板的热解研究都是在惰性气氛下进行，惰性气氛下热解的缺点是热解产物从样品内部扩散到能够被惰性气体带走的位置需要的时间较长，容易发生二次裂解反应，且会产生大量的含卤气体待处理。
Firstly, this paper introduces the analysis and study of high-speed DAS home and abroad currently and the theory about data acquisition, then we ascertain the hardware structure of system and IC chips used in this paper. We design PCB after sufficiently thinking over signal disturbance and signal insulation and so on. FPGA is the main part of system and the key of system design, and in this paper, we expatiate in detail the design process of its internal circuit, list its principle chart and emulation figure. In the aspect of software, we adopt C language to compile singlechip program in order to improve readability and transplantation of program, and we use VB and Delphi language to compile data processing software in order to take full advantage of their merit.
文章首先对当前国内外高速数据采集系统进行分析和研究，明确了各种高速系统所采用的结构和方式，简要介绍了数据采集的一些基本理论，然后在此基础上，确定了本系统的硬件结构和所要采用的各种集成电路芯片，在具体设计PCB时，充分考虑信号干扰、信号隔离等问题；FPGA是系统的核心部件，是系统设计的关键，文中详细地阐述其内部时序电路的设计过程，并给出了电路原理图和仿真时序图；设计系统软件时，单片机采用语法灵活的C语言来编写，提高了程序的可读性和移植性，数据处理软件采用VB和Delphi混合编程，充分利用两者的优点。
Internal circuit protection includes: thermal shutdown with hysteresis, UVLO, and crossover-current protection.
内部电路保护包括：热关机滞后，UVLO ，及交叉电流保护。
Begin to generate electricity in waiting for being a device's turn to run 1 hour of queen stoppage, all above 2 experiments, behind switch K closure, the electric motor is used to overcome power consumed by the resistance time electromagnetic induction for 45-10 watts, is is 35 watts (10 is the electric motor empty load electric power) during the period of electric power generation device circuit disconnection when exporting electric current at the same time externally, electric resistance R consumption power is 30 watts but, device internal resistance consumption power is 4 watts, just say entire electric power generation circuit consumption power being 34 watts, The tile approaches also very with 35, how input 25.7 watts power of electric motor accomplishes electrolysis device output electric power almost all conversion is to should generate electricity at the same time after being able to think that K closes therefore.
待该装置运行1小时后停止，2。以上实验中，在开关K闭合后，开始发电，同时对外输出电流时，电动机用于克服电磁感应时的阻力所消耗的功率为45-10瓦，即35瓦(10为电动机在发电装置的电路断开时的空载电功率)，而电阻R消耗功率为30瓦，装置内阻消耗功率为4瓦，也就是说整个发电的电路消耗功率为34瓦，与35瓦也十分接近，因此可以认为K闭合后，电动机多输入的25.7瓦功率几乎全部转化为该发电同时完成电解装置的输出电功率。
IEEE 1284-compliant Parallel Port ECP, with Level 2 (14 mA sink and source output buffers) Software or hardware control Enhanced Parallel Port compatible with EPP 1.7 and EPP 1.9 Supports EPP as mode 4 of the Extended Control Register Selection of internal pull-up or pull-down resistor for Paper End pin Supports a demand DMA mode mechanism and a DMA fairness mechanism for improved bus utilization Protection circuit that prevents damage to the parallel port when a printer connected to it is pow- ered up or is operated at high voltages in both cases, even if the TH2267.1 is in power-down state
IEEE 1284兼容并行端口ECP，与2级（十四毫安汇和源输出缓冲器）软件或硬件控制的增强型并行端口资源增值计划1.7和EPP 1.9兼容支持资源增值计划的模式扩展控制4注册的内部上拉或下拉底纸的电阻选择引脚支持DMA模式机制的要求，并为改善巴士的使用率，保护电路，防止破坏公平机制的DMA当一台打印机的并行端口连接到它是战俘，ered向上或在高电压操作（在这两种情况下，即使TH2267.1在断电状态