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通信設(shè)計(jì)應(yīng)用
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DS2141A Creating a DS/ESF Chan
Abstract: DS2141A can be used for creating a DS/ESF Channel Service Unit. This application note has the adequate information and schematic on how to use this device DS2141A to create this Channel Service Unit. ...
2009-04-29 標(biāo)簽：DS2141A 879
DS2153, DS2154 Selectable 120
Abstract: Different values of resistor can be selected between DS2153 or DS2154 single chip transceiver (SCT) and the transformer when interfacing to the E1 line with secondary overvoltage protection or in a high return loss configuration....
2009-04-29 標(biāo)簽：Interface 1216
DS2152, DS2154 Interfacing to
Abstract: Application Note 321 provides an example circuit for interfacing the Dallas Semiconductor/Maxim DS2152 or DS2154 single chip tranceivers (SCTs) to the IGT ALL1 SAR (WAC-021-C). Interconnections between the DS215...
2009-04-29 標(biāo)簽：Interfacin 1143
DS21Q41, DS21Q43 Interfacing t
Abstract: This application note contains information necessary to interface the Motorola MC68360 processor to the DS2141Q or the DS2143Q Dallas Semiconductor T1 or E1 framers. The application note covers interfacing both the address and da...
2009-04-29 標(biāo)簽：Interfacin 784
DS2153 Programming, ETS 300-01
Abstract: This application note is a guide for building software to control Remote Alarm generation in all Dallas Semiconductor E1 Framers and Single Chip Transceivers (SCTs). The basis for Remote Alarm generation is the European Telecommu...
2009-04-29 標(biāo)簽：Programmin 856
轉(zhuǎn)換DS2152/DS2154演示套件-Converting
Abstract: This application note provides the instruction to convert the Dallas Semiconductor/Maxim DS2152/DS2154 T1/E1 demo kits. The DS2152DK & DS2154DK are ordered and shipped for either T1 or E1 operation. However,...
轉(zhuǎn)換DS2151/DS2153演示套件-Converting
Abstract: The DS2151DK and DS2153DK are ordered and shipped for either T1 or E1 operation. However, the kits are easily converted to operate on the other mode. This application note describes how to convert the demo kits to either T1 or E1...
Legacy T1/E1 8MHz Backplane Op
Abstract: This application note provides the requirements for multiplexing four PCM streams into one 8MHz system backplane using Dallas Semiconductor/Maxim SCTs and framers that do not contain interleave bus operation (IBO) modes internall...
2009-04-29 標(biāo)簽：E1 1150
DS2141A, DS2143, DS2151, DS215
Abstract: This application note contains information necessary to interface a nonmultiplexed bus processor to the following Dallas Semiconductor T1 or E1 framers and single chip transceivers (SCTs): DS2141A, DS2143, DS2151, or the DS2153. ...
2009-04-29 標(biāo)簽：Interfacin 938
DS2141A ， DS2151報(bào)警設(shè)置和明確的標(biāo)準(zhǔn)-DS2
Abstract: Application Note 338 provides the criteria used to set and clear alarms using the Dallas Semiconductor/Maxim DS2141A T1 Controller and DS2151 Single Chip Transceiver (SCT). ...
2009-04-29 標(biāo)簽：DS2141A 943
DS21352/DS21552與DS2152單芯片收發(fā)器-D
Abstract: This application note will help with the migration from a current design using the DS2152 single chip transceiver (SCT) to one using the DS21352 or DS21552 SCT. These two devices are foot print compatible which allows the DS2152 ...
2009-04-29 標(biāo)簽：收發(fā)器 665
DS21354/DS21554與DS2154單芯片收發(fā)器-D
Abstract: This application note provides a list of the differences between Dallas Semiconductor/Maxim Communications Products DS21354/DS21554 and DS2154 single chip transceivers (SCTs). The additional features contained in the DS21354/DS21...
2009-04-29 標(biāo)簽：收發(fā)器 1928
一般網(wǎng)絡(luò)接口標(biāo)準(zhǔn)設(shè)計(jì)的DS2151和DS2152-Gener
Figure 1 illustrates a general form of the interface circuit for T1 transceiver chips. Not all of the components are necessary in all applications. This circuit is used to illustrate how to distribute resistance around the transformers. Ap...
2009-04-29 標(biāo)簽：接口 689
NRZ碼應(yīng)用-NRZ Applications
Abstract: This application note covers how to decouple a framer from the line interface unit (LIU) so that the user can connect the LIU/framer to a Bipolar or NRZ mode device. This application note applies to following si...
2009-04-29 標(biāo)簽：NRZ 2340
延遲線比較-Delay Lines Comparison
Abstract: Maxim manufactures several delay lines. This application note compares each programmable delay line and non-programmable delay line to help customers choose the appropriate device for their application. Since many of the features...
2009-04-29 標(biāo)簽：延遲線 3203
應(yīng)用HSTL信號(hào)庫(kù)輸入裝置-Applying HSTL Si
Abstract: This application note discusses the conditions for interfacing differential HSTL (High-Speed Transceiver Logic) outputs to PECL (Positive Emitter Coupled Logic) inputs. PECL and HSTL are two of the high-speed in...
2009-04-29 標(biāo)簽：HSTLHSTL信號(hào)庫(kù) 1148
混頻器2x2雜散響應(yīng)與IP2的關(guān)系
摘要：本文對(duì)2階交調(diào)點(diǎn)(IP2)以及2x2雜散響應(yīng)進(jìn)行了詳細(xì)說(shuō)明，這兩個(gè)參數(shù)在RF器件規(guī)格書(shū)中經(jīng)常出現(xiàn)，如混頻器。本文有助于讀者掌握IP2...
2009-04-29 標(biāo)簽：混頻器 2968
DS1851變?nèi)荻O管的溫度補(bǔ)償-DS1851 Varact
Abstract: The DS1851 is a dual 8-bit digital-to-analog converter (DAC) which also contains dual independent 40-byte look-up tables (LUTs) and an internal digital temperature sensor. Its original application was the temperature compensation...
2009-04-29 標(biāo)簽：二極管變?nèi)荻O管DS185二極管變?nèi)荻O管 1590
使用擴(kuò)頻振蕩器降低輻射消費(fèi)品-Using Spread Sp
Abstract: In 1975 the Federal Communications Commission (FCC), the government agency that regulates radio frequency (RF) emissions in the United States, enacted new regulations called FCC Part 15. These were not directed at controlling equ...
2009-04-29 標(biāo)簽：頻振蕩 712
了解共模信號(hào)-Understanding Common-Mo
Abstract: To understand how common-mode signals are created and then suppressed, you should first understand the interaction of shields and grounds in common cable configurations. The following discussion defines a common-mode signal, revi...
2009-04-29 標(biāo)簽：共模信號(hào) 1797
T3/E3/STS-1光纖擴(kuò)展-T3/E3/STS-1 Fi
Abstract: This application note will describe what is needed to design a T3/E3/STS-1 Fiber to Copper Media Converter. Such a device will take the copper signal and convert it to an optical signal to be transported over a fiber link. A pair...
2009-04-29 標(biāo)簽：光纖 1124
High-Speed Random-Data Generat
Abstract: A handful of components are integrated into a circuit that creates a high-quality random data stream that generates eye diagrams up to 62.5MHz. The circuit diagram and eye diagram are shown. The eye diagram, one...
2009-04-29 標(biāo)簽：Random-Dat 888
Precision Current Source is So
Abstract: A shunt regulator provides a constant reference voltage across a digital potentiometer that, in conjunction with an op amp and transistor, forms a software-programmable, voltage-controlled current source. With t...
2009-04-29 標(biāo)簽：Programmab 2349
Isolated Digital-Signal Couple
Abstract: An unorthodox application of a pair of MOSFET-driver ICs and a ferrite-bead transformer yields a single-channel, isolated digital-signal coupler. Optocouplers are the usual choice for coupling digital signals be...
2009-04-29 標(biāo)簽：Digital-Si 791
無(wú)源收發(fā)混頻器IC中的寬帶LO噪聲
摘要：無(wú)源雙平衡混頻器由場(chǎng)效應(yīng)管和二極管組成，可以在蜂窩基站收發(fā)器中作為上變頻器或下變頻器。高線性度(IP3)、低噪聲及無(wú)雜散響應(yīng)的上/下變頻器需要低電平本振信號(hào)，可...
2009-04-29 標(biāo)簽：混頻器 1675
利用MAX2016測(cè)量RF增益
摘要：該應(yīng)用筆記討論如何利用MAX2016 RF檢測(cè)器實(shí)現(xiàn)超外差收發(fā)器的增益自動(dòng)測(cè)量。本文比較了三種方案的性能和測(cè)量精度：增益測(cè)量和校準(zhǔn)，具有失調(diào)修正的增益測(cè)量和具有失調(diào)、...
2009-04-29 標(biāo)簽：MAX2016 658
寬帶通信接收機(jī)的ADC參數(shù)
摘要：本應(yīng)用筆記闡述了欠采樣接收機(jī)的系統(tǒng)級(jí)重要參數(shù)，并提供了設(shè)計(jì)人員確定這些性能參數(shù)所需要的各種方法，這些參數(shù)包括滿量程范圍、小信號(hào)噪聲底、信噪比和無(wú)雜散動(dòng)態(tài)...
2009-04-29 標(biāo)簽：adc 1829
電表應(yīng)用中RS-485收發(fā)器的設(shè)計(jì)考慮
摘要：自動(dòng)抄表技術(shù)為電表提供一個(gè)通信端口，以電子方式遠(yuǎn)程讀取數(shù)值。本應(yīng)用筆記討論Maxim RS-485收發(fā)器的不同特性，這些特性使RS-485收發(fā)器非常適合用于電表通信端口。 ...
2009-04-29 標(biāo)簽：收發(fā)器 1432
端口擴(kuò)展器降低折疊手機(jī)的成本及尺寸
摘要：本文討論了最新設(shè)計(jì)的端口擴(kuò)展器功能，這些功能與空間受限、成本敏感的折疊手機(jī)設(shè)計(jì)密切相關(guān)。以MAX6966和 MAX6965驅(qū)動(dòng)器為例論述了GPIO端口擴(kuò)展器技術(shù)。 ...
DS28CZ04在銅纜傳輸SFP中的裝配
摘要：本文是對(duì)HFRD-16.0參考設(shè)計(jì)：1Gbps至4.25Gbps有源SFP銅纜組件的補(bǔ)充。說(shuō)明了DS28CZ04在有源銅纜SFP組件中作為串行控制接口的使用，建議讀者查找一些相關(guān)的參考設(shè)計(jì)，以便對(duì)本文...
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