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A novel MOS-only voltage reference is presented, which is based on the threshold voltage difference between p-type and n-type MOSFETs. Its precision is improved by the cancellation of the process variation.

提出了一种新的纯MOS结构的基准电压源，它利用PMOS和nMOS的阈值电压差米抵消工艺偏差，提高了基准的精度。

With a peak-peak of rectangular asymmetric waveform voltage up to 1 600 V, a frequency of 195.8 kHz, a duty cycle of 30% and a compenstaion voltage of-8.63 V, the acetone displacement is compensated and the sensor ability to separate ions is demonstrated by an experiment using the planar copper drift tube.

当方波非对称射频电压峰峰值为1 600 V，频率为195.8 kHz，占空比为30%，补偿电压为-8.63 V时，采用平板铜块迁移区实现了丙酮离子的位移补偿，实验结果验证了传感器的性能。

However, rotary comb drive had high driving voltage. Serpentine spring with low spring constant could help to reduce the driving voltage.

然而旋转式梳状致动器的驱动电压较高，要降低致动器的驱动电压，则需使用折曲式弹簧降低弹簧常数。

This eliminates the possibility of voltage drop related to long wire runs. Units are designed for installation in IDF closets or other remote locations. For protection against voltage spikes, the modules feature four built-in PTC-protected power outputs.

分配线架，，为了避免由于高压脉冲带来的损害，此模块将四个摄像头安置在同一个受到正温度系数热敏电阻保护的电流输出中，大大加强了安全性。

MC33111P Pinout: The SMA series is designed to protect voltage sensitive components from high voltage, high energy transients.

MC33111P引脚说明：在SMA系列的目的是保护电压敏感元件高电压，高能量瞬变。

According to the error detections, the self-calibrated voltage scaling technique can reduce the voltage swing for energy reduction and guarantee the reliability at the same time.

根据侦错的结果，自我调整电压技巧可以降低信号电压振幅，在达到省能的同时也能保证传输的可靠度。

Digital voltage control for DC energy storage unit of dynamic voltage restorer.

动态电压恢复器直流储能单元的数字电压控制。

Since the harmonic spectrum of ac-side phase voltage of PWM rectifier is influenced not only by pulse modulation style, but also by the parameters of close-loop adjustors, a three-phase voltage source inverter controlled by TMS320F2812 has been built to obtain the harmonics purely generated by SVPWM and verify the algorithm.

由于PWM整流器交流侧相电压的谐波频谱不仅与脉冲调制方式有关，还受到闭环调节器参数的影响，因此该文搭建了以TMS320F2812为控制核心的三相电压型逆变器系统以得到单纯由SVPWM产生的谐波频谱，并对该算法进行验证。

Since the harmonic spectrum of ac-side phase voltage of PWM rectifier is influenced not only by pulse modulation style, but also by the parameters of close-loop adjustors, a three-phase voltage source inverter controlled by TMS320F2812 has been built to obtain the harmonics purely generated by SVPWM and verify the algorithm. Power analyzer PZ4000 has been adopted to acquire experimental results.

由于PWM整流器交流侧相电压的谐波频谱不仅与脉冲调制方式有关，还受到闭环调节器参数的影响，因此该文搭建了以TMS320F2812为控制核心的三相电压型逆变器系统以得到单纯由SVPWM产生的谐波频谱，并对该算法进行验证。

Two PI adjustors were applied for wire feeding velocity control, one performed motor armature voltage feedback, the other one executed arc voltage feedback to determine the given velocity.3、 Exchanging data of power source and process controller by adapting 20mA current loop by a serial communication interface, which satisfy real time control demand.

该控制器具有焊接参数预置、记忆、锁定、数显以及自动引弧、收弧等功能。 2、焊接电源采用三相半控桥晶闸管整流电路，用不同方法计算偏差进行多变量数字解耦PI调节获得恒流、恒压、陡降和缓降四种输出静特性。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。