查询词典 comparator

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。

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。

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。

MAX9988ETP Pinout: The leading edge of the input signal (which consists of a 150 mV overdrive voltage) changes the comparator output after a time of tpdL or tpdH.

MAX9988ETP引脚说明：的输入信号（其中1 150 mV的过载电压由领先优势）的变化经过一段时间的比较器输出tpdL或tpdH的。

The second one is the circuit which deals with the heart rate, it selects th voltage comparator to collect the QRS wave in one cycle, and detect the rising edge to record the heart rate.

二是心率处理电路：选用电压比较器提取一个心电周期中的R波，检测上升沿个数以记录心率。

The figure of the digital voltage meter used as a control 89S52 core single chip to achieve the range of hardware automatically switch circuit, and LED display by measuring the voltage, the comparator input voltage polarity detection; reasonable configuration of the system, simple structure,Capable of measuring 0 volts to 200 volts plus or minus voltage, fully meet the requirements of the design.

该数字该数字电压表采用89S52单片机作为控制核心，以硬件电路实现量程自动切换，并用LED显示被测量的电压，采用比较器检测输入电压的极性；该系统配置合理，结构简单，能够测量0伏到正负2000伏的电压，完全满足本设计的要求。

The figure of the digital voltage meter used as a control 89C51 single-chip core, hardware-range automatic switching circuit, and LED display by measuring the voltage, the comparator input voltage polarity detection; reasonable configuration of the system, simple structure, can measuring 0 volts to 200 volts plus or minus voltage, fully meet the requirements of the design.

该数字该数字电压表采用89C51单片机作为控制核心，以硬件电路实现量程自动切换，并用LED显示被测量的电压，采用比较器检测输入电压的极性；该系统配置合理，结构简单，能够测量0伏到正负200伏的电压，完全满足本设计的要求。

The results show that the propagation delay is less than 1ns, the ratio of input and output impedance is up to 10〓, realizing a little insert dissipation at high-speed operation, laying a solid foundation for the materialization of high-resolution one-way analog switch A/D converter. 2. A new structure of the high-speed CMOS voltage comparator circuit for the improved nonoffset cancel circuit, which can satisfy the needs of the 8-bit linearity.

模拟结果表明，基于CMOS工艺实现的BiCMOS单向模拟开关的传播延迟小于1ns，开关的输入输出阻抗比高达10〓以上，实现了高速工作下的极小插入损耗，为实现高精度单向隔离模拟开关分步法A/D转换器奠定了基础； 2、基于满足八位线性要求的前提，本文提出了一种改进的无失调取消电路的高速CMOS电压比较器新结构。

The programme through the transformer transformer, through the rectifier circuit filter circuit which will be AC into DC, and the adoption of the regulation by regulators more stable voltage, input voltage regulator when it can only be fixed when the voltage difference within the scope of regulation of the output voltage, and therefore out of voltage difference in the scope of automatic Diaodang, it is through the two comparator output voltage and the reference voltage comparison, and through the counter counting function control relay controller The input to determine the size of the output voltage at which the scope, and then automatically Diaodang.

该方案是通过变压器变压，再经过整流电路、滤波电路进而将交流电变为直流电，在通过稳压器的稳压得到较稳定的电压，由于稳压器当输入电压固定时只能在它的电压差范围内调节输出电压，、所以要在调出电压差的范围时自动调档，这是通过两个比较器将输出电压和基准电压进行比较，再通过计数器的计数功能控制继电器控制器的输入情况来判断输出电压的大小在哪个范围，然后进行自动调档。

Sodium citrate; calcium carbonate; calcium hydroxide; potassium bicorbonate; magnesium carbonate; ferrous sulphate; Zinc sulphate; copper sulphate; manganese sulphate; potassium iodide; sodium selenite.

柠檬酸钠；碳酸钙；氢氧化钙；碳酸氢钾；碳酸镁；硫酸亚铁；硫酸锌；硫酸铜；硫酸锰；碘化钾；亚硒酸钠。

All this to say that I'm glad filmmaking hasn't become completely ironic. I can enjoy an ironic film as much as the next person, but they usually involve a message of some sort. One that's delivered in a smirkingly clever way that requires little in the way of talent.

所有这些都是说，我很高兴电影制作没有变成完全讽刺艺术，我可以和下一个人一样享受讽刺电影的乐趣，虽然他们经常会被划归到一定级别，技术方面不需要很高的才能。