查询词典 voltage comparator

this paper introduces a lossless detected circuit system.firstly,system gathers slender infrared signal with transducer,then amplifies them with low noise.through voltage comparator circuit,transforming simulation objection signals to digital signals.finally,transforming transport landscape orientation and portrait to single chip processing.in design of pcb,the amplifying of quadruplet signal,filter,voltage comparator decree and and logic function are manufactured in one board.if the diameter of workpiece is long,it can add multiple the number of transducer of four,to wide its range of practice,disposing circuit only need one module.

摘 要：介绍了一种无损检测的电路系统。系统首先利用传感器采集到微弱的缺陷信号，再将缺陷信号进行低噪声放大，然后通过电压比较判决电路将模拟缺陷信号变换成数字信号，最终将横、纵两路的输出信号送至单片机处理。在pcb设计中，将四路信号的放大、滤波、电压判决以及与逻辑功能做在一块板上，若被检测工件的直径较大，可以将传感器的个数以四的倍数增加，处理电路只需增加一个模块。

Mainly by the design of infrared sensors, signal amplification circuit, voltage comparator, delay circuit and the audio alarm circuit.

本设计主要由红外线传感器，信号放大电路，电压比较器，延时电路和音响报警电路组成。

In order to improve the speed of whole ADC and largely reduce the numbers of comparators, a type of high speed voltage comparator is designed.

设计了一种高速的电压比较器来提高整个转换器的速度，并且大大降低了比较器的数目。

On the basis of voltage comparator, the circuit is composed of resistances, diodes and other devices which make the hysteresis voltage adjustable, the anti-interference capacity adjustable.

主要介绍了一种抗干扰量可调的模拟量开关电路的设计及应用。

It has a base internal circuit, resulting in a period of 20ms, the base width of 1.5ms signal, will be the DC bias voltage and the voltage comparator potentiometer to obtain the output voltage difference.

它内部有一个基准电路，产生周期为20ms，宽度为1.5ms的基准信号，将获得的直流偏置电压与电位器的电压比较，获得电压差输出。

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。

Only need to input hysteresis comparator type (in-phase, RP) and the upper and lower threshold and the comparator voltage comparator can be the external data!

只需要输入迟滞比较器类型和上下门限以及比较器工作电压即可得到比较器外围数据！

To get the problem solved, a protection circuit has been designed, which contains a micro-current amplifier, an absolute window voltage comparator, an ultra-range tips circuit, a UREF benchmark constant voltage source circuit, and an executive circuit.

针对这一问题，设计了一个保护电路，整个系统由微电流放大器、绝对值窗口电压比较器、超量程提示电路、UREF基准恒压源电路、执行电路构成。

Every sub-circuit is designed reasonably according to the principle and character of PWM switching converter, such as: bandgap, error amplifier, oscillator, narrow pulse generator, saw tooth generator, PWM comparator, PWM modulator, output stage, OCP circuit and low voltage comparator.

根据PWM开关电源的原理和特点，合理地设计了各个子电路，其中包括：带隙基准源、误差放大器、振荡器、窄波发生器、锯齿波发生器、PWM比较器、PWM脉冲调整器、输出级电路、过流保护电路和低压比较器等。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。