电源电压

This thesis compares the characteristics of secondary batteries used for the underwater system in order to find a proper power source that is suitable for the system. Moreover, the low-cost integrated circuit and buck-type converters are used to obtain the required voltage levels for the devices in the system such as the underwater acoustic modem, single board computer and vertical line array hydrophone with condition amplifiers.

中文摘要本文针对常用於水下遥测系统之二次电池进行特性比较，以选用适合作为其电源之电池，再将电池输出电压经低成本之类比IC与降压型转换器转换至符合本系统设备如水下数据声传器、水下遥测单版电脑与垂直阵列麦克风讯号放大器等所需之电压等级。

It has the advantages of high efficiency and voltage adjustability over wide range.

本文在三相倍压和谐振充电电路的基础上加入了一个电压控制网络，组成一个具有高效率、电压在大范围内连续可调的脉冲固体激光电源。

In this article,the authors analyze the aiguille voltage of the whole-bridge DC source converter circuit according to the mathematics model when the MOSFET transistor is shut and the instant voltage equations are obtained.

对直流电源变换器的常用电路型式进行了具体工作过程分析；根据所建立的数学模型，分析MOS管关断瞬间的尖峰电压，得出其瞬间电压方程，并应用PSPICE软件的仿真结果对其进行验

SN75LBC184 series is high withstand voltage, low noise stabilized power supply with reduced reactive current at low input voltage and small input / output differential voltage 0.2V at 40mA output current.

1第1页，本页显示记录1-19，共19条记录分1页显示SN75LBC184系列高耐压，低噪音稳定在四十○毫安输出电源电流，降低无功电流，低输入电压和小的输入/输出电压0.2V的差分。

To solve the problems of the limescale ,the oxidation which are produced by the direct contact between a metallic conductor and water, the detecting reliability and the service life, the utility model adopts the technical proposal as below: the proposal comprises a monostable controllable trigger, a second low-pass filter, a voltage follower and a display circuit, the power circuit links with the monostable controllable trigger, the second low-pass filter, the display circuit and a timebse pulse circuit separately, the utility model is characterized in that the monostable controllable trigger, the second low-pass filter and the display circuit sequentially links, the monstable controllable trigger separately links with a water lever sensor and the timebase pulse circuit.

为了解决金属导体与水直接接触会产生水垢和氧化，影响检测可靠性和使用寿命的问题，本实用新型采用了以下技术解决方案：它包括单稳可控触发器，二阶低通滤波器，电压跟随器和显示电路，电源电路分别与单稳触发器，二阶低通滤波器，显示电路和时基脉冲电路相接，其特征在于单稳可控触发器，二阶低通滤波器，电压跟随器和显示电路依次相接，单稳可控触发器分别与水位传感器和时基脉冲电路相接。

To solve the problems of the limescale ,the oxidation which are produced by the direct contact between a metallic conductor and water, the detectingreliability and the service life, the utility model adopts the technical proposal as below: the proposal comprises a monostable controllable trigger, a second low-pass filter, a voltage follower and a display circuit, the power circuit links with the monostable controllable trigger, the second low-passfilter, the display circuit and a timebse pulse circuit separately, the utility model is characterized in that the monostable controllable trigger, the second low-pass filter and the display circuit sequentially links, the monstable controllable trigger separately links with a water lever sensor and thetimebase pulse circuit.

为了解决金属导体与水直接接触会产生水垢和氧化、影响检测可靠性和使用寿命的问题，本实用新型采用了以下技术解决方案：它包括单稳可控触发器、二阶低通滤波器、电压跟随器和显示电路，电源电路分别与单稳触发器、二阶低通滤波器、显示电路和时基脉冲电路相接，其特征在于单稳可控触发器、二阶低通滤波器、电压跟随器和显示电路依次相接，单稳可控触发器分别与水位传感器和时基脉冲电路相接。

But if the Hall IC use a 12V supply, additional pull-down resistor and zenor diode would be needed to clamp the voltage in case of the Hall input voltage would exceed 5V.

但是，如果 Hall IC 使用 12V 的电源，为了使 Hall 输入的电压不超过 5V，必须再附加下拉电阻，齐纳二极管等来钳制输入电压。

Of or at low potential or voltage .

从低电压电源产生高电压的装置。

Aiming at mangling of electron equipment due to transient over voltage from thunder and operation between 4 and 3+1 source defend thunder equipment s is discussed.

针对雷电和操作过电压所引起瞬间过电压对电子设备系统的损坏，探讨加装电源防雷器时采用四模块和3+1模块时的性能，并进行比较和分析。

Overcharge of single battery is suppressed via limiting its charge cut-off voltage, and overdischarge of battery pack is prohibited by means of controlling the voltage of single battery and the application of power switch.

提出铅酸蓄电池组的电源管理设想，通过有效的限制单体充电终了电压防止单体蓄电池的过充电，通过单体电压检测和功率开关防止铅酸蓄电池组的过放电。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。