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The planar surface-mount transformer features a bias winding that, along with diode-pair D2, D3, and inductor L2, provide full-wave rectification for the bias voltage powering the MAX5069A once the input voltage is stable.

平面表面贴装变压器采用了偏置绕组，随着二极管对D2，D3等二级和电感，提供全波偏置电压整流供电MAX5069A一旦输入电压是稳定的。

At last, 2KVA - experimental prototypes of AC power supplies of multiple-loop analog and digital control system have been made. Fast dynamic response and load compatibility have been verified by the experiment of step change in the load and under rated full-wave diode bridge rectifier load.

最后各研制了一台2KVA的多环模拟控制系统逆变电源实验样机和数字化控制系统逆变电源实验样机，切换负载实验和负载适应性实验分别验证了逆变电源系统具有良好的动态性能和负载适应性。

A U like shape on the curve of fundamental mode waist in the active medium versus pump power, at different cavity lengths of the laser diode end pumped Nd:YVO 4 solid state lasers with a flat flat resonator structure, is analyzed by means of the transform circle approach.

运用谐振腔变换圆理论，详细分析了激光二极管抽运的Nd ：YVO4 平行平面腔固体激光器振荡光在晶体内的基模光斑半径随抽运功率变化的U形曲线。

The objective of the thesis is to present newly developed AC driver and protection circuits for light emitting diode. The LED modules for each upper and low arm are with pulse-width modulation control in every half fundamental cycle. The indication and protection circuits act whenever short circuit and open circuit of LED module occur. Moreover, the current path is switched off when there is a short circuit of LED module.

目前一般白光发光二极体的驱动器，皆是使用直流电源驱动，本文利用发光二极体本身单向导通的特性，将发光二极体串接成桥式整流器的方式，只需控制流经中间路径的电流周期，就可达到调整发光二极体亮度之目的，并且增加发光二极体故障时的保护指示电路。

Gold 's is mainly used in gold reserve , decoration , coins and currencies . Gold can be also used as touch point of down lead and suppresser in diode and transistor .

金的主要用途：金主要做黄金储备，装饰口及货币，此外在二极管和晶体管中可作引线的触点和抑制器，还可作能量反射器。

The TQ-2000B system contained 445 diode detectors arranged in a precise grid, associated circuit and supporting software, which is used in quality control of radiotherapy, such as accelerator QA, TPS of IMRT real-time verification.

通过实测的等剂量图、剂量值与相同条件下TPS计算的结果以及剂量胶片测量的结果进行比较，从而实现对调强放疗TPS实时验证。

But if the Hall IC use a 12V supply, additional pull-down resistor and zenor diode would be needed to clamp the voltage in case of the Hall input voltage would exceed 5V.

但是，如果 Hall IC 使用 12V 的电源，为了使 Hall 输入的电压不超过 5V，必须再附加下拉电阻，齐纳二极管等来钳制输入电压。

Selecting Distributed Feedback Laser Diode as light resource and the gas absorbing cell with fiber pigtail as its sensor, and using lock in amplifier to distill signal and harmonic measure technology to process that distilled faint signals, we design an instrument of remote and on-line measuring acetylene.

选用分布反馈式半导体激光器作为激发光源，带尾纤的气体吸收气室作为传感器的探测头，以及锁相放大器来提取信号，并通过谐波检测技术对所提取的微弱信号进行处理，设计了一套远距离在线测量乙炔气体的监测仪器。

Hematoporphyrin and Rose Bengal were used in this study as the model photosensitizers, and a Light-Emitting Diode array device was used as the light source.

因此如能将光感物质局限在作用部位，不仅可降低副作用，还有提高药物浓度和减低剂量的优点。

Nowadays more extended range is required while the precision of measurement tends to be in nanograde. Several non contact optical methods are introduced in brief and the absolute distance interferometry with diode laser is emphasized hereinto.

在分析现状和背景的基础上，大致归类了测量台阶高度的几种光学方法，着重介绍了其中绝对干涉方案的最新进展，从测量原理、测量精度以及量程等几方面比较了它们的优缺点。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。