lvds是什么意思? 摘要：與ECL、PECL和CML標(biāo)準(zhǔn)相比，ANSI EIA/TAI-644的低電壓差分信號(LVDS)標(biāo)準(zhǔn)具有低功耗、低噪聲輻射等優(yōu)勢。本文主要討論LVDS的特性及...

摘要：本文討論EIA/TIA-644低壓差分信號(LVDS)標(biāo)準(zhǔn)在3G移動通信設(shè)備中的應(yīng)用，LVDS具有低功耗、低輻射等優(yōu)勢，可理想用于W-CDMA、EDGE和CDMA2000中的高速時鐘、數(shù)據(jù)傳輸。 3G...

摘要：蜂窩發(fā)送器的設(shè)計依賴于能夠保持高線性度和高動態(tài)范圍的高性能RF調(diào)制器。隨著多載波發(fā)送器的增長，RF調(diào)制器必須保持低噪聲基底，從而提供較高的性能指標(biāo)，通常取決于...

Abstract: An earlier application note, "Coherent Sampling vs. Window Sampling," covered the basics of coherent sampling. It showed differences between tests performed with coherent sampling and windowed sampling conditions. The following t...

摘要：該應(yīng)用筆記論述了如何選擇適當(dāng)?shù)淖儔浩骱蜔o源元件，并在不犧牲高速ADC動態(tài)性能的情況下獲得較寬的輸入頻響的增益平坦度。 對于較高IF的模/數(shù)轉(zhuǎn)換器(ADC)，...

摘要：基站系統(tǒng)(BTS)需要在符合各種不同標(biāo)準(zhǔn)的同時滿足信號鏈路的指標(biāo)要求。本文介紹了一些信號鏈路器件，例如：高動態(tài)性能ADC，可變增益放大器，混頻器和本振，詳細(xì)介紹了它...

摘要：本文指導(dǎo)用戶選擇適當(dāng)?shù)淖儔浩鳎糜诟咚倌?數(shù)轉(zhuǎn)換器(ADC)前端的信號調(diào)理。本文還闡述了如何合理選擇無源元件，在較寬的輸入頻率范圍內(nèi)改善增益的平坦度，而且不會犧...

摘要：本應(yīng)用筆記提供一種快速、容易使用的工具，用來確定鏡像信號的真實(shí)位置和重疊頻率的位置，以及典型頻譜中的諧波頻率。所得數(shù)據(jù)用于分析模/數(shù)轉(zhuǎn)換器(ADC)和數(shù)/模轉(zhuǎn)換器(...

SCI接口電路 SCI接口電路使用的芯片是...

Abstract: Portable systems often require operation from batteries or from a wall adapter. The MAX8865 low-dropout (LDO) linear regulator is used to provide the switchover function while supplying a regulator 2.84V that can deliver 100mA. ...

摘要：全部1-Wire®器件，包括iButton®器件，都具有唯一的8字節(jié)注冊碼，儲存在只讀存儲器(ROM)中。該注冊碼在1-Wire總線上用作唯一的網(wǎng)絡(luò)地址。為確保數(shù)據(jù)通信的完整性，每個注...

Abstract: This application note presents to the reader a recommended Li-Ion battery pack circuit design for using Dallas Semiconductor 1-Wire® products with low-side N-channel safety FETs. Critical design considerations concerning the ...

Abstract: This application note presents to the reader a reference circuit design that allows the use of the Dallas Semiconductor DS2438 battery monitor in a high voltage battery pack. Originally designed for use in battery packs whose vol...

This application note is courtesy of Lou Adams from Tadiran Batteries, Port Washington, NY. Temperature RangeYour battery must work over the temperature range of the finished device. Although this seems obvious many times...

摘要：本應(yīng)用指南闡述如何將1-Wire主機(jī)(1WM)嵌入到用戶ASIC設(shè)計之中。本文包含了采用Verilog語言如何創(chuàng)建1-Wire主機(jī)例程的摘要。本文提到的DS89C200只是一個理論上的微控制器。另外，...

摘要：Maxim的1-Wire®器件都帶有一個64位的唯一注冊碼，存儲在只讀存儲器內(nèi)(ROM)，能夠在1-Wire網(wǎng)絡(luò)中通過1-Wire主機(jī)對其尋址。如果1-Wire網(wǎng)絡(luò)中從機(jī)器件的ROM碼是未知的，則可采用搜...

感應(yīng)電阻功率消耗-S...

Life with ...

Abstract: Simple easy to use high side current sense amps protects power supplies as a result of irregular supply voltage caused by short-circuit conditions. To ensure compliance with all international standards, the desi...

Abstract: Portable power presents a range of design challenges. While major changes such as new battery technologies make headlines, the minor, almost negligible shifts are arguably more fascinating. The effects of these shifts is often no...