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Different input and output common mode voltages are used to improve the modulator\'s performance.

同时使用不同的输入、输出共模电压的方法来提高调制器的动态范围。

Thus, the output will always be driven by a single transistor, either P- channel or N-channel. Since they are as closely matched as possible, the output resistance of the gate will always be the same, and signal behavior is therefore more predictable. Fig. 3.4 CMOS NAND gate One of the main problems with CMOS gates is their speed. They cannot operate very quickly, because of their inherent input capacitance. B-series devices help to overcome these 24 Lesson 3 CMOS Logic Circuit 25 limitations to some extent, by providing uniform output current, and by switching output states more rapidly, even if the input signals are changing more slowly. Note that we haven't gone into all of the details of CMOS gate construction here. For example, to avoid damage caused by static electricity, different manufacturers developed a number of input protection circuits to prevent input voltages from becoming too high. [3] However, these protection circuits don't affect the logical behavior of the gates, so we won't go into the details here. New Words and Phrases 1. CMOS abbr.

略语互补金属氧化物半导体(complementary metallic oxide semiconductor)逻辑，逻辑学，逻辑性，推理方法补充的，补足的，互补的电池供电的门电路，逻辑门，闸门，控制栅，大门，通道，门口，入口伏特，环骑，闪避基础的，基本的，主要的基本原则，基本原理增强型金属氧化物半导体场效应晶体管(metallic oxide semiconductor field effect transistor)反相器，反用换流器，变极器来源，水源，消息来源，原始资料，发起者源，源极排水沟，消耗，排水漏极排出，喝干，耗尽排水，流干，耗尽相同的，相配的，匹配的匹配有效地，有力地，事实上，实际上无限的东西无穷大无穷的，无限的，无数的，极大的接地的正向偏置的，正偏的或非 25 2。

In this paper, an improved sensorless control strategy, which is based on the detection of zero crosspoints of back-EMF, is proposed. In this method, only one feed back signal is needed to sense terminal voltages and no motor neutral line is required. The phase shifter errors in traditional methods are eliminated.

本文同时提出了一种改进的无位置传感器检测方法，这种方法基于反电势过零点检测的基本原理，采用单路位置反馈信号，无须引出电机中性线，硬件结构简单，消除了传统检测方法中由于深度滤波产生的相移和误差。

The influence of switching off branch on system nodal voltages and line loads is analyzed and the concept of security margin and its calculation formula are given.

分析了支路断开对系统节点电压及线路负荷的影响，给出安全裕度概念和计算公式。

ON-state resistance is determined by the lower of the voltages of the two terminals.

通态电阻是取决于两个终端的电压降低。

Low Voltage AC system operating voltages from 120 to 600 VAC.

低压 交流电系统中从120到600 VAC的电压称为低压。

The circuit's basis is a single operational amplifier, and it needs no reference voltages.

电路基础是单运算放大器，其不需要参考电压。

The inventive light modulating elements contain a mesogenic modulating medium that exists in an optically isotropic phase when the light modulating elements are in operation and, in addition to having a good contrast, a low dependency on the viewing angle and very short switching times, they are particularly characterized by having relatively low driving voltages with a very low dependency on temperature.

根据本发明的光调制元件包含介晶调制介质，该介晶调制介质在光调制元件的操作期间处于光学各向同性相和，除良好的对比度，低视角依赖性和非常短的响应时间以外，其特别突出之处为相对低的驱动电压与非常低的温度依赖性。

P.S.:The output voltages shall rise from 10% to 90% of their output voltage.

输出从10%上升到90%的时间。

The paper presents the most efficient means to prevent the occurrence of resonance overvoltage often happening in extinction coil earth ed networks, namely,overcompensation pattern, after analyzing shift voltages in formal operation and broken wire condition.

摘 要：针对消弧线圈接地电网中普遍存在的谐振过电压问题，分析了正常运行及断线故障时各种补偿方式下位移电压的大小，得出防止产生谐振过电压的首要方案是：消弧线圈采用过补偿运行方式。

So it was last week in Selma , alabama.

上星期在亚拉巴马州塞尔马市发生的事件也是这样一个转折点。

The group also spearheads various social programs in China.

该组织还带头参与中国的各种社会活动。