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通信設(shè)計(jì)應(yīng)用
電子發(fā)燒友網(wǎng)本頻道為通信技術(shù)專(zhuān)欄，提供詳細(xì)的通信設(shè)計(jì)最新技術(shù)與應(yīng)用；是您學(xué)習(xí)通信技術(shù)知識(shí)的好平臺(tái)。
流水線模數(shù)轉(zhuǎn)換器的時(shí)代-Pipeline ADCs Come
Abstract: In the mid 1970s, a new data converter architecture was introduced to the analog and mixed-signal community, called pipeline ADCs. The following article takes the knowledge of advantages and disadvantages of the pipeline architec...
2009-05-01 標(biāo)簽：轉(zhuǎn)換器 1053
Coherent Sampling vs. Window S
Abstract: One of the most useful techniques for evaluating the dynamic performance of fast and ultra-fast data converters is coherent sampling. This technique increases the spectral resolution of a Fast Fourier Transform (FFT) and eliminat...
2009-05-01 標(biāo)簽：Coherent 1110
Coherent Sampling Calculator (
Abstract: This calculator provides a quick and easy way to select sinusoidal input test tones for the test of analog-to-digital (ADC) converters. Based on the theory of coherent sampling, the calculator allows a user to chose input and sam...
2009-05-01 標(biāo)簽：Calculator 1050
MAX1420/MAX12553 example
MAX1420/MAX12553 example Abstract: This application note demonstrates how to quickly verify the dynamic performance of any ADC without requiring expensive data-processing software. Although Micro...
2009-05-01 標(biāo)簽：FFTs 805
通過(guò)多個(gè)數(shù)據(jù)文件組合優(yōu)化INL/DNL分析
摘要：本文探討如何利用MATLAB強(qiáng)大的指令功能改進(jìn)高速數(shù)據(jù)采集系統(tǒng)中存儲(chǔ)器受限的代碼密度，提高程序代碼的循環(huán)量，以滿足高速模/數(shù)轉(zhuǎn)換器(ADC)的INL、DNL測(cè)試需求。 ...
在應(yīng)用編程的MAXQ7665部門(mén)擦除程序和數(shù)據(jù)閃存-In-A
Abstract: This application note describes how to erase/write the program and data flash in the MAXQ7665 microcontrollers (µC) using the built-in utility ROM. This information applies only to the MAXQ7665 flash-based microcontrollers ...
2009-05-01 標(biāo)簽：MAXQ7665 1150
在應(yīng)用編程的MAXQ7665頁(yè)擦除的程序和數(shù)據(jù)閃存-In-A
Abstract: This application note describes how to erase/write the program and data flash in the MAXQ7665 microcontrollers (µC) using the built-in utility ROM. This information applies to those MAXQ7665 flash-based µCs with page-...
2009-05-01 標(biāo)簽：MAXQ7665 1339
Converting MAXQ Microcontrolle
Abstract: This application note describes the basic information needed for a Software Engineer to convert an application from a sector-erasable (SE) to a page-erasable (PE) MAXQ microcontroller. This information applies to the MAXQ flash-b...
2009-05-01 標(biāo)簽：microcontr 1299
Interfacing the 1-Wire Master
Abstract: This application note provides the reader with information concerning how to interface the Maxim 1-Wire® Master (DS1WM) to an ARM7 processor. Both hardware and software concerns are addressed, including block diagrams and sam...
2009-04-30 標(biāo)簽：Interfacin 988
與Microchip PICmicro微控制器之間的1-Wi
摘要：Dallas Semiconductor的產(chǎn)品中有些包含了1-Wire®通信接口，適用于不同系統(tǒng)。這些系統(tǒng)中可能需要與著名的Microchip PICmicro® (PIC)接口。為方便1-Wire器件與PIC微控制器的接口，本...
2009-04-30 標(biāo)簽：微控制器 822
理解DS2784的欠壓保護(hù)延時(shí)
摘要：為防止電池過(guò)放電，DS2784提供欠壓保護(hù)。本應(yīng)用筆記解釋了欠壓保護(hù)延時(shí)(tUVD)是如何實(shí)現(xiàn)的。 緒論DS2784具有欠壓保護(hù)電路，可防止電池過(guò)放電。當(dāng)檢測(cè)...
2009-04-30 標(biāo)簽：DS2784 1948
MOSFET Pass Element Yields 100
In terms of low RON, the best pass transistor for a low-dropout, positive-voltage regulator is an N-channel MOSFET. All such commercially available regulators, however, use bipolar PNP pass transistors. The PNP transistor can saturate comp...
2009-04-30 標(biāo)簽：MOSFET 956
Ultra-Thin DC-DC Converters Su
Shrinking electronic circuits place demands on power supplies to keep pace. The latest PCMCIA-card formats force designers to consider converter topologies and keep a watchful eye for components that meet ultrathin-design requirements....
2009-04-29 標(biāo)簽：變頻器Converters 1345
反激式電路國(guó)寬帶電話網(wǎng)絡(luò)-Flyback Circuit P
With the advent of broadband access, many companies have developed high voltage SLICs (subscriber line interface card) which control the ringing and voice transmission on phone systems. The SLICs essentially perform two functions. One is r...
2009-04-29 標(biāo)簽：電話網(wǎng)絡(luò) 1146
利用API控制DS1WM 1-Wire總線主機(jī)
摘要：本應(yīng)用筆記提供了一些利用Maxim API控制DS1WM 1-Wire總線主機(jī)的C語(yǔ)言例程。本文討論的內(nèi)容基于DS1WM已經(jīng)設(shè)計(jì)到FPGA或ASIC內(nèi)，主控CPU通過(guò)API調(diào)用控制DS1WM。DS1WM通過(guò)兩個(gè)文件(DS1WM.c和...
2009-04-29 標(biāo)簽：API 1183
DC-to-DC Converter Combats EMI
Abstract: Unwanted electromagnetic radiation referred to as EMI is emitted by all electronic systems, including switching regulators. Adopting spread-spectrum pulse-width modulation (SSPWM) as a control scheme enhances the suppression of E...
2009-04-29 標(biāo)簽：emi 1358
EMI的實(shí)際問(wèn)題保護(hù)-Practical Aspects o
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...
2009-04-29 標(biāo)簽：emi 1927
Handy Circuit Gives Systems Fl
Abstract: When it is necessary to plug in a board into a system that is currently powered, it is critical to control the inrush current to prevent damage/system fault conditions. This application provides a simple circuit to achieve this f...
采用無(wú)鉛(Pb)裝配流程裝配高含鉛的DS2502倒裝芯片
摘要：歐盟最近頒布的限制有害物質(zhì)指令(RoHS)禁止在電子電氣元件中使用金屬鉛(Pb)。受該指令影響，裝配流程也必須是無(wú)鉛的(無(wú)Pb)。盡管DS2502倒裝芯片在RoHS指令擁有豁免權(quán)，但其...
2009-04-29 標(biāo)簽：芯片 823
汽車(chē)應(yīng)用中的限壓電路
摘要：本文討論了汽車(chē)應(yīng)用中的典型供電架構(gòu)，并探討了如何在基本的電源設(shè)計(jì)中增加有源電壓限制功能，闡明了集成限壓器的必要性。文中還提供了幾個(gè)Maxim的有源電壓限幅器設(shè)計(jì)...
DS21Q42 vs. DS21Q41B
Abstract: This application note describes the hardware and software differences between the Dallas Semiconductor DS21Q42 and the DS21Q41B quad port framer devices. The DS21Q42 enhanced quad T1 framer offers a broader feature set while reta...
DS2152L vs. DS2151Q
Abstract: Application Note 349 provides a detailed list of the features included in the DS2152L that are not included in the DS2151Q T1 single chip transceiver (SCT). All of the original features of the DS2151Q have been retained. All soft...
DS2152 and DS2154 8MHz System
Abstract: Tech Brief 7 provides the requirements for multiplexing four PCM streams into one 8MHz system backplane using the Dallas Semiconductor/Maxim DS2152 and DS2154 T1/E1 single chip tranceivers (SCTs). The DS2155, DS26528, DS26524, DS...
DS2141，DS21Q41，DS21Q43 8MHz系統(tǒng)時(shí)
Abstract: The application note describes how to design a backplane of 8.192MHz that simultaneously connects to any four framers of the following: DS21Q41 quad T1 framer, DS21Q43 E1 framer, DS2141 T1 controller, DS2151 T1 single chip transc...
DS2151，DS2153連接的ADSP-2181-DS21
Abstract: Application note 303 provides information on connecting the DS2151 and DS2153 single chip transceivers (SCTs) to a 16-bit DSP: the Analog Devices ADSP2181. Interconnections between the DS2151 or DS2153 parallel ...
2009-04-29 標(biāo)簽：ADSP 894
DS2141A, DS2143, DS2151 and DS
Abstract: This application note describes how the DS2141A, DS2143, DS2151, and DS2153 interface to the SGS-Thomson M3488. Also shown are waveforms and timing diagrams of the different pins that are used for interfacing with M3488. ...
2009-04-29 標(biāo)簽：Interfacin 913
DS2141A ， DS2143三個(gè)頻道塞繩和插入-DS21
Abstract: Application Note 306 provides the design requirements for implementing a three channel drop and insert application using the Dallas Semiconductor/Maxim DS2141A T1 framer or DS2143 E1 framer. ...
DS2141A, DS2143, DS2151, DS215
Abstract: This application note describes how the DS2141A, DS2143, DS2151, and DS2153 interface to the Mitel MT8980D. This note also shows waveforms and timing diagrams of different pins that are used for interfacing with MT8980D. ...
DS2151, DS2153 Interfacing to
Abstract: This application note provides a logical diagram of the interface of the Dallas Semiconductor/Maxim DS2151 and DS2153 to the PMC-Sierra 7345. ...
2009-04-29 標(biāo)簽：Interfacin 759
DS2141A ， DS2143 ， DS2151 ， DS
Abstract: This application note describes how the DS2141A, DS2143, DS2151, and DS2153 interface to the Siemens PEB2045. This note also shows waveforms and timing diagrams of different pins that are used for interfacing to the PEB2045. ...
2009-04-29 標(biāo)簽：PEB2045 630
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