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找到约 39 项符合 resistance 的查询结果

单片机编程 基于PIC16C71的数字水温配制阀的设计

  设计了一种基于PIC16C71单片机的数字水温配制阀。该配制阀采用NTC热敏电阻作温度传感器,与固定电阻组成简单分压电路作为水温测量电路,利用PIC16C71单片机内置的8位A/D转换器把热敏电阻上的模拟电压转换为数字量,PIC16C71单片机控制直流电机驱动混水阀调节冷热水的混合比例实现水温调节。给出了控制电路图,对水温 ...
https://www.eeworm.com/dl/502/29101.html
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单片机编程 基于ADuC841的膜片钳放大器系统设计

为降低成本和解决现有膜片钳放大器系统中PC机的干扰问题,研究了一种基于单片机的膜片钳放大器小系统。该系统采用ADI公司生产的ADuC841作为控制核心,并且配置相应的液晶显示模块LCM3202401。模拟电路部分采用高输入阻抗的AD8627实现微电流信号的采集,并由后级电路进行信号的放大和电阻电容的补偿。它具有硬件电路简单、体 ...
https://www.eeworm.com/dl/502/29338.html
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单片机编程 PCA9549 Octal bus switch with

The PCA9549 provides eight bits of high speed TTL-compatible bus switching controlledby the I2C-bus. The low ON-state resistance of the switch allows connections to be madewith minimal propagation delay. Any individual A to B channel or combination of channelscan be selected via the I2C-bus, determi ...
https://www.eeworm.com/dl/502/31009.html
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单片机编程 水位监测报警系统原理

摘要:本水位监测报警器使用5V低压直流电源(也可以用3节5号电池代替)就可以对5~15厘米的水位进行监测,用LED显示和数码管显示水位,并可以对不再此范围内的水位发出报警。主要采用CD4066、74LS86、74LS32、CD4511芯片,再加上数码管、蜂鸣器、发光二极管、电阻这些器件组成一个简单而灵敏的监测报警电路,操作简单,接通 ...
https://www.eeworm.com/dl/502/31261.html
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技术书籍 MAX338/MAX339的英文数据手册

  本软件是关于MAX338, MAX339的英文数据手册:MAX338, MAX339   8通道/双4通道、低泄漏、CMOS模拟多路复用器   The MAX338/MAX339 are monolithic, CMOS analog multiplexers (muxes). The 8-channel MAX338 is designed to connect one of eight inputs to a common output by control of a 3-bit binar ...
https://www.eeworm.com/dl/537/36708.html
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技术书籍 场效应管产品指南

The super-junction structure, which has P-type pillar layers as shown left, realizes high withstand voltage and ON-resistance lower than the conventional theoretical limit of silicon.
https://www.eeworm.com/dl/537/36845.html
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可编程逻辑 PCB电源设计经典资料

|Introduction􀂄􀂄 Basic Concept􀂄􀂄 Tips to layout Power circuit􀂄􀂄 Type of Power circuit Basic Concept􀂄􀂄 Maximum Current calculation􀂄􀂄 Resistance of Copper􀂄􀂄 ideal power supply & noise􀂄&# ...
https://www.eeworm.com/dl/kbcluoji/40444.html
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测试测量 高精度温度测量铂电阻温度探测器(PRTDs)和​​ADC

Abstract: Many modern industrial, medical, and commercial applications require temperature measurements in the extended temperature rangewith accuracies of ±0.3°C or better, performed with reasonable cost and often with low power consumption. This article explains how platinumresistance ...
https://www.eeworm.com/dl/544/41751.html
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测试测量 基于MASON公式的多功能二阶通用滤波器设计

基于通用集成运算放大器,利用MASON公式设计了一个多功能二阶通用滤波器,能同时或分别实现低通、高通和带通滤波,也能设计成一个正交振荡器。电路的极点频率和品质因数能够独立、精确地调节。电路使用4个集成运放、2个电容和11个电阻,所有集成运放的反相端虚地。利用计算机仿真电路的通用滤波功能、极点频率和品质因数的 ...
https://www.eeworm.com/dl/544/41908.html
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其他 An instrument other than a watch for measuring or indicating time, especially a mechanical or electr

An instrument other than a watch for measuring or indicating time, especially a mechanical or electronic device having a numbered dial and moving hands or a digital display.break down the enemy s resistance
https://www.eeworm.com/dl/534/260330.html
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