DS31256 HDLC控制器的配置步驟—橋接模式 本應(yīng)用筆記提供了怎樣配置橋接模式下DS31256 HDLC控制器T1端口的例子。文章提供了一個(gè)實(shí)際例程，以方便最終用戶使用，幫助他...

ISIS 常見問題FAQ 1.標(biāo)題：Graphics Fills問題：使用工具“BOX”和“ARC”設(shè)計(jì)好自己所創(chuàng)建元器件的圖形之后，在電腦屏幕...

Proteus常見問題集 1.proteus 中怎樣使用模板file--〉new design：在彈出的對(duì)話框就可以選擇模板了file--〉save ...

基于AT90S8515的頻率測(cè)量系統(tǒng)的設(shè)計(jì) HS1101組成的頻率發(fā)生電路； AT90S8515頻率測(cè)量； 采用串行通信方式，將頻率值傳輸?shù)接?jì)算機(jī)。 ...

Abstract: Disposable metal candy boxes, such as those from Altoids, make excellent shielded enclosures for lab tests. Engineers put extensive effort into designing and constructing lab test circuits which often are left i...

Abstract: Surface mount devices can often be prototyped without etched PCBs by using plain copperclad and simple cutting tools. As surface-mount technology (SMT) has become more prevalent (and many devices are only availa...

More and more aspects of our lives depend on the uninterrupted operation of electronic equipment and appliances. "Drive by wire" and "fly by wire" have become everyday realities. In automated plants especially, electronic equipment that fa...

理解物理拓?fù)浣Y(jié)構(gòu)的穩(wěn)壓器是用于EMI和EMC設(shè)計(jì) Abstract: Understanding the physics of voltage regulator topologies is important in designing power systems for EMI and EMC compliance...

Abstract: Power MOSFETs are an integral part of any high-power-switching power supplies used in portable devices. Additionally, these MOSFETs are difficult components to specify for notebook products with minimal heat dissipation capabilit...

建設(shè)電源工程...

Proteus 鼠標(biāo)基本操作Proteus 鼠標(biāo)基本操作與我們的一般習(xí)慣是剛好相反的，在Proteus 中的原理圖編輯區(qū)中它的選中目標(biāo)元件是右鍵，所以剛開始的時(shí)候有些不習(xí)...

Abstract: At high frequencies (e.g. microwave) the physical dimensions of printed circuit board (PCB) traces become significant relative to the wavelength of the signal. At these frequencies, controlled impedance transmission lines are use...

摘要：本文介紹了開關(guān)型調(diào)節(jié)器的電路板布局的基本原則。盡管本文集中分析的是升壓型開關(guān)型調(diào)節(jié)器，但它所包含的原理同樣適合其它類型的開關(guān)調(diào)節(jié)器。本文討論了接地方法、...

Exposed Pa...

摘要：晶片級(jí)封裝(WLP)允許集成電路(IC)面向下安裝在印刷電路板(PCB)上，芯片的焊盤通過單獨(dú)的焊點(diǎn)與PCB連接。本文討論了晶片級(jí)封裝技術(shù)及其優(yōu)勢(shì)，描述了Maxim WLP的PCB布局和安裝流...

摘要：本應(yīng)用筆記討論了多種措施來指導(dǎo)系統(tǒng)設(shè)計(jì)人員采用正確的布局和信號(hào)走線技術(shù)。對(duì)布線設(shè)計(jì)和元件的相關(guān)介紹將減少用戶在使用P...

摘要：在利用眾多有效手段進(jìn)行熱管理設(shè)計(jì)時(shí)，最關(guān)注的參數(shù)是結(jié)到環(huán)境的熱阻(ΘJA)。本文介紹ΘJA的測(cè)量方法，并簡(jiǎn)述工作在空氣不流通環(huán)境下的電路熱管理設(shè)計(jì)。其中首要之處是...

摘要：元件布局和電路板布板直接影響開關(guān)轉(zhuǎn)換器的EMI性能。本文介紹的方法有助于降低電磁輻射以及傳導(dǎo)EMI。 當(dāng)今幾乎所有的電子系統(tǒng)中都用到了開關(guān)模式DC-DC轉(zhuǎn)換...

摘要：本應(yīng)用筆記提供一個(gè)簡(jiǎn)單易用的頻率計(jì)算器，用于確定適當(dāng)?shù)男吞?hào)、偏置電阻以及DS1090低頻、電阻可編程、擴(kuò)頻EconOscillator™的輸入設(shè)置。DS1090可提供125kHz至8MHz的擴(kuò)頻、方...

Abstract: This application note outlines a clear printed-circuit-board (PCB) layout for implementing the MAX8632 integrated DDR power supply. Overview of the MAX8632The MAX8632 integrates a synchronous-buck con...