查询词典 resistor

For weak nonlinear distortion, the expressions of total harmonic distortion, the second order intermodulation distortion(IM2 ), the third order intermodulation distortion(IM 3) and intercept point(IP 3) are deduced. With the aid of software Multisim, we simulate transistor common emitter amplifier, transistor common emitter amplifier with resistor in emitter, differential amplifier and differential amplifier with resistor between emitters. The simulational results and theoretical analyses are almost the same.

针对弱非线性失真，推导了总谐波人、二阶互调失真( IM2 )、三阶互调失真( IM3)和截点( IP3)的表达式，借助于 Multisim软件，对晶体管共发放大器、发射极带反馈电阻的失发放大器、差分放大器和发射极间带反馈电阻的差分放大器进行了仿真，并与理论结果作了比较，结果令人满意。

ZX18 □ derived series stainless steel resistor, the series resistor is the company's patented product.

ZX18□派生系列不锈钢电阻器，该系列电阻器是本公司的专利产品。

In paper the phase noise L of the transistor is taked as function of Te, Re and R_(L1) for the first time, where Ie is emitter current, Re is resistor of emitter degeneration feedback and R_(L1) is aseismatic resistor on the collector.

文中得出了晶体管的发射极电流I_e、发射极反馈电阻R_e和集电极防振电阻R_(L1)与相位噪声L或Sφ

The study and application of the primary current limiting harmonic excluder for the type of the thermal resistor ;2. A recorder based on the thermal resistor s is used to monitor and record the state of the dielectric sample which is put into HV square wave life testing.

该仪器通过PTC 热敏电阻监测高压回路中限流电阻温度变化提取介质击穿信号，以单片机AT89c55为运算控制中心，采用热信号时间差分数字算法处理及控制信号。

Resistor are usually divided into three series: fixed resistors, variable resistor and special resistance.

电阻器通常分为三大类：固定电阻，可变电阻，特种电阻。

Fixed film resistor networks for use in electronic equipment; part 2: sectional specification for film resistor networks of assessed quality on the basis of the capability approval procedure

电子设备用的固定薄膜电阻器网络。第2部分：在可验收程序的基础上评定质量的薄膜电阻器网络的分规范

1 A component - a fixed resistor , Positive Temperature Coeffecient or Negative Temperature Coefficient resistor , diode , or the like - employed to limit (see 2.7) the output of a unit to withiin the required current or power levels , or otherwise used to obtain acceptable performance, shall have permanence and stability so as not to decrease its limiting capacities .

10.1 一个元件——固定电阻，正温度系数或负温度系数电阻器，二极管，或类似元件——用来限定电源单元的输出在要求的电流或功率值水平，或用来得到可接受性能，应具有持久性和稳定性，不致于减小它的限定容量。

The simplest of all uses an LDR – a Light Dependent Resistor to detect light intensity changes on the surface of the resistor.

最简单的所有使用低剂量辐射-轻附属电阻检测光线强度的变化表面上的电阻器。

Next, the following points are emphasized:(1) The design of photoelectric conversion preamplifier circuit. In order to improve the measurement accuracy of luminometer and ensure linear relationship of the photoelectric, operational amplifiers is designed as current-voltage converter form, on the one hand, it is available to zero-load effect; on the other hand, short-circuit current can be transformed into a voltage volume through the feedback resistor, it is equivalent to voltage drop flowed through a load resistor on the actual effect.

其次，本文重点做了以下工作：(1)光电转换前置放大电路的设计：为了提高照度计的测量准确度，确保光电间的线性关系，本设计把运算放大器接成电流电压变换器的形式，一方面可得到零负载效应；另一方面，短路电流通过反馈电阻变成电压量，实际效果相当于流过一个负载电阻形成的压降。

It is similar with normal induction motor with high efficiency and power factor while operation with the adoption of parallel star-shape connection and nonparticipation of appended interspaced resistor. During starting stage the adoption of unique serial triangle connection with the participation of appended interspaced resistor improves the starting performance with the character of low start current and high start torque.

它正常运行时，采用并联星形连接，使得中间附加电阻不参与运行，其运行性能类似于普通感应电动机，具有较高的效率和功率因数；而在起动时，采用独特的串联三角形连接，使得中间附加电阻参与运行，相当于转子电阻增加，从而有着起动电流小、起动转矩高的优良的起动性能。

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。