制造/封裝
權威的制造技術與封裝技術頻道,涉及半導體制程工藝、IC代工產(chǎn)能以及集成電路封裝測試等技術。ESD保護I/O端口-ESD Protection for
Abstract: This application note describes how ESD threatens electronic systems, type of damage inflicted, how ESD is generated, test methods and waveforms used, human body and machine models for testing, IEC compliance levels, contact and ...
Maxim Leads the Way in ESD Pro
Abstract: This application note describes how ESD threatens electronic systems, type of damage inflicted, how ESD is generated, test methods and waveforms used, human body and machine models for testing, IEC compliance levels, contact and ...
2009-04-22 標簽:ESD 567
積極高壓瞬態(tài)保護特朗普傳統(tǒng)方法在汽車電子領域中的應用-Act
Abstract: Most vehicle electronic systems require overvoltage, reverse-battery, and transient protection. The use of active protectors for these purposes offers substantial advantages in power dissipation, optimization of the operating vol...
2009-04-22 標簽:積極高壓 2334
一次性金屬盒制作優(yōu)秀的屏蔽外殼-Disposable Met
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...
2009-04-21 標簽:金屬 1167
原型與表面貼裝器件-Prototyping with Sur
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...
Practical Aspects of EMI Prote
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...
2009-04-21 標簽:emi 1353
理解物理拓撲結構的穩(wěn)壓器是用于EMI和EMC設計
理解物理拓撲結構的穩(wěn)壓器是用于EMI和EMC設計 Abstract: Understanding the physics of voltage regulator topologies is important in designing power systems for EMI and EMC compliance...
介紹常見的印刷電路輸電線路-Introduction to
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...
2009-04-21 標簽:輸電線路 1360
開關型調(diào)節(jié)器的電路板布局技術
摘要:本文介紹了開關型調(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調(diào)節(jié)器。本文討論了接地方法、...
2009-04-21 標簽:電路板 761
Maxim晶片級封裝安裝指南
摘要:晶片級封裝(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的焊點與PCB連接。本文討論了晶片級封裝技術及其優(yōu)勢,描述了Maxim WLP的PCB布局和安裝流...
2009-04-21 標簽:晶片 2078
參數(shù)測量單元(PMU)的布線指南
摘要:本應用筆記討論了多種措施來指導系統(tǒng)設計人員采用正確的布局和信號走線技術。對布線設計和元件的相關介紹將減少用戶在使用P...
2009-04-21 標簽:PMU 1283
通過測量有源元件的管芯溫度監(jiān)控電子系統(tǒng)的熱耗散
摘要:在利用眾多有效手段進行熱管理設計時,最關注的參數(shù)是結到環(huán)境的熱阻(ΘJA)。本文介紹ΘJA的測量方法,并簡述工作在空氣不流通環(huán)境下的電路熱管理設計。其中首要之處是...
2009-04-21 標簽:電子系統(tǒng)有源元件 1589
正確的電路板布板降低開關模式轉換器的EMI
摘要:元件布局和電路板布板直接影響開關轉換器的EMI性能。本文介紹的方法有助于降低電磁輻射以及傳導EMI。 當今幾乎所有的電子系統(tǒng)中都用到了開關模式DC-DC轉換...
DS1090頻率計算器
摘要:本應用筆記提供一個簡單易用的頻率計算器,用于確定適當?shù)男吞枴⑵秒娮枰约癉S1090低頻、電阻可編程、擴頻EconOscillator™的輸入設置。DS1090可提供125kHz至8MHz的擴頻、方...
2009-04-21 標簽:DS1090 753
MAX8632 PCB布局優(yōu)化-MAX8632 PCB La
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...
2009-04-21 標簽:pcb 1504
MAX8660/MAX8661 PCB布局指南
摘要:MAX8660/MAX8661評估板提供了一個使用單側印刷電路板(PCB)布局以優(yōu)化性能的實例。盡管評估板的PCB布局提供了最佳性能并可簡化評估,但也可以采用其他PCB布局。本應用筆記給出...
2009-04-21 標簽:MAX8660 1388
晶片級封裝(WL-CSP)基礎
摘要:本文詳細討論了Maxim的晶片級封裝(WL-CSP),其中包括:晶圓架構、卷帶包裝、PCB布局、安裝及回流焊等問題。本文還按照IPC和JEDEC標準提供了可靠性測試數(shù)據(jù)。 注...
2009-04-21 標簽:晶片 10050
精密計時—自動化與大眾化
摘要:長期以來電子計時一直缺少高精度的解決方案,主要原因是石英晶體的溫度特性較差。為了提高32.768kHz石英晶體的計時精度,設計人員采用了各種不同的技術。本文介紹了一...
2009-04-21 標簽:自動化 574
使用看門狗/報警計數(shù)器的DS1371和DS1374實時時鐘-
Abstract: Dallas Semiconductor offers two real-time clocks (RTCs), the DS1371 and DS1374, that utilize a 32-bit counter to maintain time. Both devices also provide a 24-bit count down watchdog/alarm counter that can provide one of three fu...
2009-04-21 標簽:DS13 1271
Tech Tips: Getting the Most fr
Abstract: This application note provides some simple design rules for maximizing the ESD, EMI and general performance of your sensor conditioning IC and system. Guidance on the use of ground planes and decoupling capacitors is provided, to...
2009-04-20 標簽:Electronic 1043
電阻電橋基礎:第一部分
摘要:利用電橋電路精確測量電阻及其它模擬量的歷史已經(jīng)很久遠。本文講述電橋電路的基礎并演示如何在實際環(huán)境中利用電橋電路進行精確測量,文章詳細介紹了電橋電路應用中...
2009-04-20 標簽:電阻 933
先進的企業(yè)級性能催化下一代SAS系統(tǒng)
摘要:Maxim針對下一代串行SCSI (SAS)系統(tǒng)設計的NexSAS™產(chǎn)品分為四個功能區(qū):擴展器技術、SAS/SATA支持器件、服務器/機箱/主板管理和信號調(diào)理。本文詳細介紹了第1.5代NexSAS擴展器在...
2009-04-20 標簽:SAS系統(tǒng) 1149
EEPROM Programming Instruction
Abstract: The Dallas Semiconductor Ethernet link transport engine (ELITE) product line was created to bridge WAN to LAN. The ELITE products can be configured in several ways, the most common of which is through microprocessor (µP) co...
2009-04-18 標簽:DS33Z11 1260
錫焊的材料介紹及種類
錫焊的材料 (1)松香焊劑。(2) 錫鉛合金。 焊劑功用:清潔被焊物金屬表面,并在作業(yè)進行中,保持清潔。減低錫焊熔解后,...
2009-04-18 標簽:錫焊 10162
居民住宅供電系統(tǒng)的保護性接地
居民住宅供電系統(tǒng)的保護性接地 本站曾發(fā)表過有關居民住宅供電保護性接地,如《什么是TT、IN、IT系統(tǒng)?》等稿件。但隨著強制性標準《住宅設...
2009-04-17 標簽:供電 1722
不停電作業(yè),安全措施要保證
不停電作業(yè),安全措施要保證 變電所低壓帶電作業(yè),一要求開工作票,完成保證安全的組織措施;二要求穿戴好防護用品,使用絕彖工具,站在絕彖...
2009-04-17 標簽:措施 2054
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