电压

Elect hardware, and design current to voltage translation circuit, voltage amplification circuit and acoustic-optic alarming circuit.

对硬件进行了选择，对电流/电压转换电路？电压放大电路和声光报警电路进行了具体设计？

In order to carry constant current bias amplifier and to raise the precision of the differential amplifier of the voltage amplification stage, an overly highly precise constant current circuit is adopted as the bias circuit used as criteria of operation, and the supply voltage variation supression ratio is raised much more.

为了执行恒流偏置放大器和提高精度的差分放大器的电压放大阶段，过于高精度恒流电路采用为偏置电路用来作为标准的运作，以及电源电压的变化抑制比筹集更多。

Furthermore, the filter circuit of a low-impedance is carried in the power source of a voltage amplification part by the right-and-left independency, and the interference by the supply voltage variation by the load current at the time of the Oide power or a power supply variation on either side is reduced sharply.

此外，该滤波电路的低阻抗是在电源电压放大部分的权利和左独立性，并干扰电源电压变化的负载电流时的功率或Oide电源变化对任何一方是大幅度降低。

First use of sensors to convert the weight of voltage signal, and then voltage signal amplification input A / D converter, followed by A / D converter tool analog signals into digital signals, the digital signal will be sent to the microcontroller, through the process of Signal processing, and weighing function, and then the weight and keyboard input price multiply calculated lump sum, and the weight and price with LCD display.

首先用传感器把重量转换成电压信号，再将电压信号放大输入A/D转换，利用A/D转换工具将模拟信号转化为数字信号，将得到的数字信号传送至单片机，通过程序对信号进行处理，实现称重功能，然后将重量与键盘输入单价相乘计算出总价，并将重量和价格用LCD显示出来。

HMC1022 magnetoresistive sensor based on a weak magnetic field test system, in the intensity of magnetic induction into a small amount of DC voltage, the voltage level by the amplification for the amount of voltage into digital with TLC2543 volume, and then through the single-chip AT89S52 data processing, carried out using two-way LCD1602 display.

基于磁阻传感器HMC1022的弱磁场测试系统，在将磁感应强度转化为微小的直流电压量以后，经放大为伏特级的电压量用TLC2543转化为数字量，再通过单片机AT89S52进行数据的处理，用LCD1602进行双路的显示。

Circuit system used varistor constitute the Wheatstone bridge to collect small changes in voltage, After amplification circuit amplified into A / D converter circuit, the input voltage digital signal after the conversion output AT89S52 conducted by the control and data processing and results in the LCD display.

系统电路采用压敏电阻构成惠斯登电桥来采集电压的微小变化，经过放大电路放大后送入A/D转换电路，对输入电压信号进行数字量的转换后输出，由AT89S52进行系统的控制和对数据的处理并将结果显示在液晶显示器上。

Optimum designs of fundamental circuits such as analog switch, reference resistor ladder and voltage comparator are also carried out.

首次提出并联方式参考电压电阻网络结构，有效地提高了参考电压的精度，加快了输出稳定速度。

A voltage comparator implemented with AlGaAs/GaAs heterojunction bipolar transistors is reported in this paper.

本文对异质结双极晶体管电压比较器进行了理论分析，设计并制作了国内第一个AlGaAs/GaAs HBT电压比较器电路。

The LM711 is a dual differential voltage comparator featuring high accuracy, fast response times, large input voltage range, low power consumption and compatibility with practically all integrated logic forms.

该LM711是双电压比较差异具有精度高，响应时间快，大的输入电压范围，低功耗和集成逻辑与几乎所有形式的兼容性。

This paper describes the single-limit voltage comparator ,Schmitt trigger and window voltage comparator each of which incorporates only a second-generation current conveyor.

本文提出了由单块第二代电流传输器组成的单限电压比较器、施密特触发器和窗口电压比较器，讨论了它们的性能参数及实验结果。

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。