LED的發(fā)光原理 實(shí)際上LED，就是發(fā)光二極管（light emitting diode）。基本結(jié)構(gòu)為一塊電致發(fā)光的半導(dǎo)體模塊，封裝在環(huán)氧樹脂中，通過針...

LED是怎樣發(fā)光的 實(shí)際上LED，就是發(fā)光二極管（light emitting diode）。基本結(jié)構(gòu)為一塊電致發(fā)光的半導(dǎo)體模塊，封裝在環(huán)氧樹脂中，...

什么是OLED(有機(jī)發(fā)光二極管)  OLED的原文是Organic Light Emitting Diode，中文為有機(jī)發(fā)光二極管...

制作RGB三基色合成的白光LED中的注意事項(xiàng) 對(duì)于制作RGB三基色合成的白光LED，必須注意以下幾個(gè)問題： 　　(1) 三種LED芯片發(fā)出的光的主波長(zhǎng)一...

LED熒光粉的分類及作用、特性 在LED熒光粉方面近幾年的發(fā)展非常迅速。美國(guó)GE公司持有多項(xiàng)專利...

USB入門總結(jié) 一，概述現(xiàn)在很多的主控上都帶有USB的功能，但是對(duì)于初學(xué)者來說，這方面應(yīng)用還是比較棘手，因?yàn)閡sb的不但固件程序需要編寫，PC端的驅(qū)...

Abstract: An interface circuit uses the Dallas Semiconductor 1-Wire serial bus to provide isolated power and bidirectional communications between a master (MCU) and a sensing element. Medical and industrial applications o...

Abstract: The DS2780 allows the user to customize the stand-alone battery fuel gauge to the exact requirements of the application and the cell being used. The parameters required are typically known in units such as mA, V, mAhrs, and mΩ. ...

Abstract: This article discusses the requirements for portable electronic devices with cryptographic capabilities to perform very secure network authentication, fare collection, vending system regulation, etc. It also shows how the DS1963S...

Abstract: Several applications use the Dallas SHA iButton® tokens for eCash, vending, fare collection, and user authentication. They require the use of secrets to recognize authentic tokens and to secure data and monetary values agains...

Abstract: The glossary provides a detailed description of AC performance terms related to high-speed data converters such as ADCs and DACs. It also gives some insight into the test conditions these parameters are specified for. ...

TI應(yīng)用最新DSP技術(shù)，推出200萬畫素高效能網(wǎng)絡(luò)攝影機(jī)，提供全天候清晰的影像監(jiān)控保護(hù) TI宣布，全球 IP 監(jiān)視設(shè)備領(lǐng)導(dǎo)供應(yīng)商晶睿通訊（VIVOTE...

飛兆半導(dǎo)體實(shí)現(xiàn)效率高達(dá)94%的電源參考設(shè)計(jì) 在消費(fèi)應(yīng)用中降低噪聲并保護(hù)敏感電路飛兆半導(dǎo)體公司 (Fairchild Semiconductor) 推出 200W DC-DC ...

飛兆半導(dǎo)體的光耦合器為工業(yè)現(xiàn)場(chǎng)總線通信提供出色的隔離性能 具有同級(jí)最佳的抗噪性能 飛兆半導(dǎo)體公司 (Fairchild Semiconductor) 為工業(yè)系統(tǒng)設(shè)計(jì)人員提供一款具...

飛兆半導(dǎo)體交錯(cuò)式臨界導(dǎo)通PFC控制器,為綠色電源提供超過96%的效率 采用最小封裝尺寸實(shí)現(xiàn)業(yè)界最佳的轉(zhuǎn)換器保護(hù)功能 飛兆半導(dǎo)體公司(Fairchild Sem...

Micron美光公司因其DRAM和NAND快閃存儲(chǔ)器技術(shù)創(chuàng)新獲得半導(dǎo)體Insight獎(jiǎng) 美光科技股份有限公司近日宣布，Semiconductor Insights選擇美光公司兩項(xiàng)業(yè)內(nèi)領(lǐng)先的D...

摘要：本術(shù)語表收集了運(yùn)算放大器的術(shù)語和規(guī)格參數(shù)，為設(shè)計(jì)人員提供一個(gè)簡(jiǎn)便的參考指南。 本文介紹了在運(yùn)算放大器(op amp)數(shù)據(jù)資料的Electrical Characteristics表格中列出...

Abstract: This application note describes using a microcontroller (µC) with integrated digital-to-analog converter (DAC) and comparitors to create a low cost ADC that is 0.05% linear. The simple 3V analog-to-digital...

Properly connected, a quad-SPDT analog switch and op amp (Figure 1 form a sample/hold circuit. The circuit economizes during operation by switching the op amp from input to output, thereby buffering the input (VIN) during sample mode and b...

Abstract: Current-limit switches are virtually ubiquitous in system controls. They provide a safe means for regulating the current delivered to a load circuit. The switches allow the load current to increase to a programmed limit but no hi...