详细分析了电荷泵的动态工作特性,给出了电荷泵电压上升时间及瞬态电流与电路的关系。
Charge Pump dynamic analysis is analyzed, where the relationship between the voltage rising time and transient current to circuit is given.
天然的电鳗电池通过八个不同通路和泵结构,产生和释放电压超过五百伏的电脉冲。
Natural electric eel cells generate and release electric pulses of more than 500 volts with eight different channels and pumps.
紧接着采用等效电量关系法详细地推导了电荷泵的稳态输出电压表达式。
Finally, employing the equivalent electricity quantity approach, the steady state output voltage expression of charge pump is derived.
考虑到单线圈天线的性能降低,设计了一个新的具有高效率低启动电压的电荷泵整流电路。
Based on this exasperate antenna performance, a new rectifier with high power conversion efficiency and low turn-on voltage is presented.
当有电荷泵效应存在时,浮置扩散放大器就不是非破坏性电压读出。
With such an effect, floating diffusion amplifier can not be taken as a nondestructive voltage sensor of a signal.
对压电微泵的输出流量进行了测试,结果显示:电压、频率以及背压对流量均有显著影响。
The flow rates of the micropump are measured, and the result shows that the voltage, frequency and the back pressure all have an influence to the flow rates.
电渗泵是一种液流驱动泵,具有装置简单、载流无脉动、流量范围大和驱动电压适中等优点。
Electroosmotic pump is a liquid driving apparatus, which has its advantages of simplified equipment, non pulsing flow rate, large flow range and moderate working voltage etc.
三维电动机各相绕组电流的独立性,使得该电机在运行状态下也可能产生泵升电压。
The independence of all windings of three dimensional motor makes it possible to produce pump voltage when running.
采用220V电压的工程塑料泵,可供家庭选用。
The use of engineering plastics voltage 220V pump, for family selection.
这个误差电压被用作是控制电荷泵导通电阻,进而获得了一个稳定的输出电压。
This error voltage serves as is controls the electric charge pump breakover resistance (to call that it controls resistance pressure), then obtained a stable output voltage.
然而,在没有大容量蓄电池吸收能量的情况下,再生制动将产生很高的泵升电压,给系统工作带来不利。
However, due to the lack of accumulator of big capacity to absorb energy, this method produces high bumping voltage, which is harmful for system.
针对燃料电池供电的伺服电机,研究了一种用来释放多余回馈能量的电压泵升电路。
For fuel cell is used as the DC power of inverter, a voltage pumping circuit for releasing nimiety regenerative energy was researched.
可按用户要求提供特殊电压泵型,进行水位自动控制,并配有自动保护装置及控制柜。
According to user requirements to provide special voltage pump type, the water level automatic control, and is equipped with automatic protection device and the control cabinet.
在相同电压驱动下气体无阀泵的流量要高于液体无阀泵,但气体泵的背压较低。
The mass flow of the gas pump is higher than the liquid pump under the same voltage, but back pressure of the gas pump is lower.
由于存在逆向电流,利用电流传输开关特性的改进型的电压泵(NCP - 1)的电压增益被大大减弱。
Because of the existing of reverse current, the output voltage of charge pump, NCP-1, which is utilizing charge transfer switches, is not as high as expected.
利用电荷泵升压电路提高存储电容的电压,有效的增加了存储能量;
The system utilizes charge pump elevator to enhance the voltage of storage capacitor and effectively increase the reserved energy.
测定泵的输入电流、电压、转速、输出流量、输出压力、泵效率等参数,通过回归推断各参数的相关特性。
The input electric current, voltage, rotary speed, output flux and output pressure of the pump were tested. The regression relation of these parameters was deduced.
在传统的CMOS电荷泵电路中,电荷泵输出的电压受MOS管的阈值电压限制,所以当要求电荷泵的输出电压较高时,则不得不连很多阶来达到要求。
In conventional CMOS charge pump circuits, the pumping high voltage is limited by MOS threshold voltage, so that it can not use less cascade stages to pull up a high voltage which we want to generate.
随着电源电压的不断降低和芯片面积的不断减小,电荷泵的效率已成为MOS电荷泵电路设计过程中最为人们关心的问题之一。
The power efficiency of MOS charge pumping circuit is becoming one of the most important issues as the power supply decreasing continuously and the area of a chip.
泵浦条件是影响SOS特性的最主要因素,泵浦电压越高,所产生的反向过电压系数越高。
The pumping condition is one of the most important influence factors for SOS characteristics. The higher the pumping voltage is, the higher the reverse over-voltage coefficient is.
表面活化处理:活化时镀件必须接电源正极,化工泵镀笔接负极,电压8 - 15v,时间60- 90s。
Surface activation: activation plating must take positive power supply, plating document connected with negative voltage 8-15v, time, 60-90s.
常规的现有技术泵响应于指示负载已达到预定电压的信号而关闭。
The conventional prior art pump turns off in response to a signal indicating that the load has reached a predetermined voltage.
本发明的存储器的供电结构包括电荷泵、读出电压调节器、一个去耦电容和MOS晶体管;
The invention relates to a power supply structure of a memory, which comprises a charge pump, a readout voltage regulator, a decoupling capacitor and an MOS (Metal Oxide Semiconductor) transistor;
根据输入信号的幅度,该电荷泵可以提供两档电压轨来节省功耗。
According to the amplitude of the input signals, the charge pump has two level output voltage rails available to save power.
高压产生系统主要采用电荷泵电路来产生高压,电压调节系统则主要采用低压差电压调节器来调节输出电压。
High voltage generate system mainly use charge pumps to generate high voltage. Voltage regulator system usually USES LDO to regulate output voltage.
文中通过对再生制动过程的分析,提出了通过控制占空比的办法来抑制泵升电压。
Based on the analysis of the process of regenerative braking, this paper put forward a new method to restrain the pumping voltage by changing PWM ratio.
在传统的电荷泵电路中,输出电压受阈值电压限制,不得不用高阶电路来实现,致使电路效率低下、面积大。
In traditional charge pump circuits, the output voltage is limited with the threshold voltage, and has to use high stairs to realize. It leads to low power efficiency and large layout area.
蓄电池容量不足将不能保证正确的油泵泵送量和喷油器的触发。 蓄电池电压应高于12伏。
Check battery condition. A weak battery will not ensure proper pump delivery or injector triggering. Should be over 12 volts. B.
在相同电压激励下,泵的最大流量较同类型泵提高了160%。
At the same ex citation voltage, the maximum flow rate of the pump is 160% more than the similar type.
水泵流量不足可能产生的原因:1、管道、泵流道叶轮部分阻塞,水垢沉积、阀门开度不足。2、电压偏低。3、叶轮磨损。
Pipe or channel impeller jammed, scale deposited or valve not enough opened. 2, Voltage too loe. 3, impeller worn out.
应用推荐