电源电阻

The MDJ- IIIlarge-scale network earth resistance reflectoscope reflector, theobservable transformer substation network (4 Omega), the water andfire power plant, the microwave stand (10 Omega), the lightning rod(10 Omega) the multipurpose type, has used the new different frequencyalternating current supply, and has used microcomputer measure and soon processing control and signal processing, in the very good solutiontest process antijamming question, simplified the experiment operatingprocess, increased the test result precision and the accuracy, greatlyreduced experimented personnels labor intensity and the experimentalcost.

MDJ-Ⅲ型大型地网接地电阻测试仪，可测变电站地网（4Ω）、水火电厂、微波站（10Ω）、避雷针（10Ω）多用机型，采用了新型异频交流电源，并采用了微机处理控制和信号处理等措施，很好的解决了测试过程中的抗干扰问题，简化了试验操作过程，提高了测试结果的精度和准确性，大大降低了试验人员的劳动强度和试验成本。

Spot-welding inverter power is one of the most important developing trends in the field of resistance welding.

逆变式点焊电源是电阻焊领域研究的主要方向之一。

They are designed to be connected directly to a supply, usually 9 - 12V, and no series resistor is required.

它们的目的是为了直接连接到电源，通常9 - 12V的，并没有串联电阻是必要的。

Because the hand-welding, at the same time because of the flexibility of the phosphorus brass tablet poor, rather than later, how long it is easy to lose elasticity, resulting in the display with the host or bad power plug and have a greater contact resistance, will be working long hours in fever caused by a large number of virtual access, this will be reflected in the host to restart the black screen flicker or display.

因为手工焊接，同时因为采用的磷黄铜片弹性差，用不了多长时间就容易失去弹性，致使与主机或显示器的电源插头接触不良而产生较大的接触电阻，在长时间工作时就会大量发热而导致虚接，这时就会表现为主机重新启动或显示器黑屏闪烁。

And then, the contiunous current modeof this circuit is discussed, and the PWM circuit and over-current -protection circuit are designed. At the same time, the calculation methods of storage inductance, output capacitor and sampling resistor are given.

讨论电路的电流连续工作模式，设计了电源的脉宽调制电路和过流保护电路，并给出了蓄能电感、输出电容和输出电压取样电阻的确定方法。

JuGong product take advantages of concealed power patented technology, which means unworn touch of faces, lowering resistance to the least and raising stability to the highest point. It is used in a fully concealed way and the conduct touch point works in non-oxygen circumstance, so the life span is 5 to 10 times of before.

巨工产品采取了隐藏式安全电源专利技术，面与面的无磨损接触，使电阻降致最低点，稳定性提升到最高点，做到了全密封使用，导体触点在无氧环境中工作，使用寿命大大提高5-10倍，在使用上更为方便所有商用与民用领域。

FEATURES Clickless Bilateral Audio Switching Guaranteed Break-Before-Make Switching Low Distortion: 0.003% typ Low Noise: 1 nV/Hz Superb OFF-Isolation: 120 dB typ Low ON-Resistance: 60 typ Wide Signal Range: VS = 18 V; 10 V rms Wide Power Supply Range: 20 V max Available in Dice Form

特点无杂音双边音频切换保先断后接开关低失真：0.003％典型值低噪声：1纳伏/赫兹卓越的隔离性：120分贝典型值低导通电阻：60典型宽信号范围：比= 18伏； 10 V RMS的宽电源电压范围：20 V的最大可用表格中骰子

Keywords : CFOA, Compens AT ion Circuit, Complementary input structure, Low voltage

并采用0.6 工艺参数，在1.5V电源电压下利用HS PIC E进行了仿真，获得了4.95mW的功耗，输入电阻为4.5k ，相位裕度为53.5度以及与增益无关的带宽和极大的转换速率。

The resonant charge scheme is studied to overcome the low efficiency and low repetition rate caused by the resistor ballasted voltage source capacitor charging power supply.

为解决现有高压直流电压源电阻镇流充电方式效率低、重复率低的缺陷，实验研究了谐振充电电源电路。

Applications on noise absorption of DC motor, power supply input, surge absorption of inductive load, bypass condenser, communication line protection and prevention from electricity surge were put forward because of higher performance requirement on weapon system.

针对武器系统的高性能要求，本文提出了SrTiO3基压敏电阻在直流电机消噪、电源输入端、吸收电感性负载开关浪涌、旁路电容器、通信线路防护、防止电涌冲击等方面的应用。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。