1) switched-RC
开关电阻电容
1.
The filter is based on the switched-RC technology which is a new approach to realize the propel operation of SC filter under low supply voltage.
该设计基于开关电阻电容技术,利用开关电阻代替传统的采样开关,实现了更高的采样线性度,是低压下开关电容滤波器正常工作的一种全新实现方案。
2) switched-capacitor
开关电容
1.
Application of switched-capacitor band-pass filter in water supply pipeline net leakage point orientation system;
开关电容带通滤波器在管网泄漏点定位中的应用
2.
A Study on Switched-capacitor DC/DC Converters Theory;
开关电容DC/DC变换器的理论研究
3.
Study on High-Speed High-Precision Switched-Capacitor Amplifier Circuit;
高速高精度开关电容放大器电路研究
3) switched capacitor
开关电容
1.
Design and Study of Auto-tracking Filter Based on Switched Capacitor;
基于开关电容的自动跟踪滤波器的设计及研究
2.
Application of digital switched capacitor filtering technology;
数字化开关电容滤波技术应用
3.
During the periodical charging and discharging operation in the capacitors, current stress is usually very high for conventional switched capacitor converter,and its efficiency is much decreased as the output current is increased.
传统的开关电容变换器在电容周期性的充放电过程中会产生很大的电流应力,并且随着输出电流的增加,变换器的效率将急剧下降。
4) switching capacitor
开关电容
1.
To study the effect of low-frequency magnetic field on the solution ice crystal formation process under the condition of slow temperature-dropping rate, a device to produce alternated magnetic field was designed by using switching capacitor.
为了研究在低降温速率条件下,低频磁场对基本生物溶液相变过程冰晶形成的影响,运用开关电容技术研制了低频旋转磁场发生装置。
2.
A kind of switching capacitor circuit, which can transform the positive voltage into the negative one according to the principles of Dickson charge pump, is developed in this paper.
以Dickson电荷泵的基本原理为出发点,研究了一种将正电压输入转为负电压输出的开关电容电路。
3.
In this paper a driving system with sensorless and brushless DC motor is studied,the lowpass design method for switching capacitor is discussed in detail.
对无传感器无刷直流电机的驱动系统进行了研究 ,详细论述了开关电容低通滤波器的设计方法。
5) capacitive switches
电容开关
1.
The RF MEMS capacitive switches have demonstrated great potential in microwave phase shifters and millimeter-wave circuits and devices due to their very low loss,low power consumption,and low cost characteristics.
为降低Ka波段分布式MEMS移相器容性开关的驱动电压,提出不同形状新型低弹性系数铰链梁结构MEMS电容开关的机电设计概念。
2.
A novel capacitive switches structure for the distributed RF MEMS phase shifters is presented based on the analysis of the operation principle .
通过分析MEMS电容开关的工作原理,设计出一种适合分布式射频MEMS移相器电路的新型电容开关。
3.
In this paper,a novel method for the analysis of switching time and dynamic be- havior of the electrostatic driven RF MEMS capacitive switches applied to microwave distributed MEMS phase shifters is presented.
提出一种适合于分析微波分布式MEMS移相器静电驱动电容开关的开启时间和动态特性的新方法。
6) Switch capacitor
开关电容
1.
The principle of the switch capacitor filter was studied.
从开关电容滤波器的原理出发 ,通过MATLAB的仿真 ,在时钟频率与中心频率的比值达到一定数值的时候 ,把S域函数进行变换 ,用信号流图的方法设计模拟滤波器 ,从而提高滤波器的精度和可靠性 ,并在 0 。
2.
A brief introduction to the structure and function of the Switch Capacitor filter and the applications of some new integrated Switch Capacitor filters by Maxim are given here.
简单介绍了开关电容滤波器的结构与工作原理 ,并对Maxim新出品的几种集成开关电容滤波器的具体应用作了介绍。
3.
It is a switch capacitor circuit which consists of the preamplifier and dynamic latch.
比较器是前置放大器与动态锁存器组成的开关电容电路。
补充资料：可计算电容法绝对测定电容和电阻单位
可计算电容法绝对测定电容和电阻单位
determination of SI units of capacitance and resistance based on calculable capacitor method
式中c0二(。。‘l动InZ为一常数，。r为介质的相对介电常数，。。为真空介电常数，C;、矶又称交叉电容。图1任意形状导电柱的截面当c:一。时，上式可简化为“=专(c，+。)二c0[l·罕(瓮)2一罕‘箫)4·幂‘瓮，‘一“式中△C二C:一Q。当长度为L时，总电容最为 C二cL 0 c0L根据光速。二2卯7兑.458 kn甘。计算，常数C0二1.姑3 549以3 PFlm。 可计算电容的结构是用4根几乎相碰又彼此绝缘的金属圆柱组成一组电容，其外围包有一个接地屏蔽E。计算电容的横截面(图2)，中间插人可动屏蔽电极，电极的位移用光学系统来测量。整个系统在真空中进行侧t。图2可计算电容的横截面 美国国家标准局研制的可计算电容的不确定度约为lxlo一;日本的约为2.5x10一7冲国的约为3.5x10一’，后经改进为l.oxlo一7(包含因子k=l)。 可计算电容绝对测量电阻的原理方框图见图3o所用计算电容为。.5pF(或l夕)，首先在电容电桥上用1:2、l:ro的比率作4次或5次测量，以确定0.01口标准电容器的电容值。在电容电阻桥上用1:1的比率侧出1了n的交流标准电阻的电阻值。然后利用交流电阻电桥给出l护O或l护n的交流标准电阻的电阻值，并与一个特制的1护n或1护n的交直流转换电阻进行比较，以确定其交直流转换误差。直流测量过程在直流电桥上进行，将已确定交直流转换误差的1护n或l口n的交流标准电阻与国家电阻基准(In)进行比较。 目前用可计算电容法绝对测量电阻的不确定度已keiisuan dianrongfa luedui Ceding dian『以习he dianzudan勺切81可计算电容法绝对测定电容和电阻单位(ds-te们rrunation of 51 units of ca侧加i切叮ce and邢isteLnce场既don以c吐ab】e caPacifor meth记)可计算电容是横截面的尺寸无需测量，而只裕测定轴向长度即能确定电容大小的特殊电容器，它能被准确地测量，因而通过它可以确定电容和电阻单位的sI量值，也称作可计算电容法绝对测量电容和电阻单位。 可计算电容是基于1956年澳大利亚的A.M.汤普森和D.G.兰帕德证明的静电学新定理。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条