电信交换机(PBX和中心局)



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Maxim > 方案 > 电信交换机(PBX和中心局)

应用笔记

应用笔记4352：HFRD-39.0: 40Gbps、四路SFP半有源铜缆组件
应用笔记4322：简化锂离子(Li+)电池充电器测试
App Note 4289: Low-Temperature Data Retention in Nonvolatile SRAM
应用笔记4245：构建低电压负电源热插拔电路的三种方案
App Note 4240: Active High-Voltage Transient Protectors Trump Conventional Approaches in Automotive Electronics
应用笔记4233：光纤网络中运营以太网服务的划分
应用笔记4228：5通道(3路+V和2路-V)热插拔参考设计
应用笔记4139：HFRD-32.0：四通道SFP主机适配器
应用笔记4138：HFRD-31.0：四通道SFP有源铜缆组件
应用笔记4124：DS33X162产品线的FAQ
应用笔记4118：DS33R11多芯片模组的BSDL测试
应用笔记4108：简化电源测试的SPST双极性功率开关
应用笔记4094：HFRD-30.1: SFP+主板
应用笔记4081：过压保护的备用电路: 技巧和窍门
App Note 4070: Transmitting I²S Audio Streams in Automotive Applications Using the MAX9205/MAX9206 LVDS SerDes
应用笔记4059：DS33R41多芯片模组的BSDL测试
应用笔记4033：可编程风扇控制器
应用笔记4024：可控制多外设的SPI/I²C总线
App Note 3983: Designing Single-Switch, Resonant-Reset, Forward Converters
App Note 3968: How to Use the Bit-Error-Rate Tester (BERT) on the DS2652x STCs
App Note 3954: Characteristics of Manganese Lithium (ML) Batteries
应用笔记3951：节电模式降低继电器驱动功耗
应用笔记3939：平均电流模式DC-DC控制器在信息娱乐终端的应用
App Note 388: Hitless Protection Switching with 1+1 Redundancy
App Note 3930: Package Thermal Resistance Values (Theta JA, Theta JC) for Dallas Semiconductor Temperature Sensors
App Note 3921: Using a DS1307 with a PIC Microcontroller
应用笔记3918：MAX6877电源跟踪/排序器用户指南
应用笔记3917：MAX6876电源跟踪/排序器用户指南
应用笔记3912：包含12V buck转换器的低成本用电设备完整方案
应用笔记3901：发射应用中多个高速、复用DAC的同步
App Note 3899: Frequency Calculator for the DS1086L
应用笔记3896：HFTA-14.0接收器的设计挑战
应用笔记3890：DS28CZ04在铜缆传输SFP中的装配
应用笔记3883：高可靠性系统中电流检测的实际考虑
App Note 3872: Telecomm Supply Powers Temperature Sensor
App Note 3867: Shunt Regulator Improves PA's Current-Limit Accuracy
App Note 3864: The FET-OR Connection for Power Supplies
应用笔记3849：Ethernet-over-PDH技术概要
App Note 3834: HFTA-13.0: Designing External Cabling for Low EMI Radiation
应用笔记3827：DS26528收发器的初始化和配置
App Note 3816: Selecting a Backup Source for Real-Time Clocks
应用笔记3811：满足电源跟踪要求的简单器件
App Note 3779: Calculating ML Cell Life for an RTC Backup Operation
App Note 3778: Problems and Solutions for Adjusting to Changes in Daylight Saving Time
App Note 3766: HFTA-12.0: Measuring Crosstalk Penalty in High-Speed Bidirectional Serial Communication Modules
应用笔记3763：DS317x与DS318x T3/E3/STS-1 LIU回波损耗的测量与改善
App Note 3760: Interleaved Bus Operation
App Note 3759: Timing Considerations When Using NVSRAM
App Note 3756: High-IOUT LDO Regulator Has Excellent Transient Response
应用笔记3718：控制DS26528和DS26524的发送脉冲
App Note 3705: DS3112 LRCLKx Low Speed Clock Recovery Operation
App Note 3694: How to 'Center' a Down-Dithering EconOscillator
应用笔记3693：Maxim为什么选择设计单片NV SRAM模块
App Note 3686: DS2155 and DS26521 Software Comparison
应用笔记3670：利用Advantest R3132频谱分析仪测量回波损耗
App Note 3647: HFRD-10.4: 1244Mbps/1244Mbps GPON ONT with Video Overlay
应用笔记3641：使用MAX6642代替其它热敏二极管温度传感器
App Note 3610: DS21458 Quad and DS26528 Octal Transceiver Software Comparison
应用笔记3609：DS325X、DS316X、DS317X和DS318X中时钟速率适配器(CLAD)的使用
App Note 3604: JJ-20.11-Compatible Interface for the DS2155 and DS21455 SCTs
应用笔记3582：硅振荡器取代晶体和陶瓷谐振器
应用笔记3581：MAX5074 5V，3A参考设计
应用笔记3572：有关内置晶体封装的常见问题
应用笔记3567：高可靠系统的电源电压监控和排序
应用笔记3557：逻辑分析仪内存不足？ “拼”出解决之道！
应用笔记3556：可不使用微控制器配置Dallas Semiconductor的LIU
应用笔记3547：T3/E3/STS-1 LIU的回波损耗测量
应用笔记3539：50瓦特内部总线结构(IBA)电源
App Note 3530: Circuit Converts PWM Fan Drive to Linear and Reduces Acoustic Noise
应用笔记3512：硅扩频振荡器在汽车电子产品中的应用
应用笔记3510：DS1305 RTC与8051微控制器的接口
应用笔记3507：IEEE 802.3af兼容的单端口、供电设备应用
App Note 3502: Effect of PC Board Trace Width on Remote-Diode Temperature-Sensor Accuracy
应用笔记3496：HFRD-10.2: 622Mbps/1244Mbps GPON ONT
应用笔记3495：通过多个数据文件组合优化INL/DNL分析
应用笔记3494：利用开关电容滤波器实现抗混叠滤波
应用笔记3493：系统管理IC满足多电压系统的监视和排序要求
应用笔记3491：高速数据转换器电路设计及布板指南
应用笔记3489：DS91230 USB适配器在Windows® 98系统中的安装
App Note 3488: EEPROM Programming Instructions for DS33Z11/DS33Z44
应用笔记3487：系统管理IC满足多电压系统的监视和排序要求
App Note 3457: IR-Linked Temperature Sensor
App Note 3456: Programmable System-Management IC Monitors and Sequences Requirements in Complex, Multivoltage Systems
应用笔记3455：HFTA-11.0：NRZ测试码型的频谱成分
应用笔记3451：HFRD-16.0: 1Gbps至4.25Gbps有源SFP铜缆组件
App Note 3424: RS-232 Powered Temperature Sensor
应用笔记3422：DS26502的硬件控制模式
应用笔记3412：TINIS400外部串口参考设计
应用笔记3411：DS33Z11—以太网LAN到非成帧T1/E1 WAN桥
App Note 3410: Guidelines for Laying Out T3 and E3 Network Interfaces
应用笔记3387：HFRD-08.0: 10Gbps (4x2.5Gbps)有源铜缆组件
应用笔记3363：新型以太网系统, 与数据传输一起提供直流供电
应用笔记3361：MAX6650和MAX6651风扇速度调节器在24V及48V风扇中的使用
App Note 3360: DS2155 and DS26502 Software Comparison
应用笔记3357：DS2155移植到DS21458
应用笔记3351：T3/E3/STS-1低成本中继器
应用笔记3349：Dallas Semiconductor T1/E1/J1收发器的环回操作
App Note 3345: Examples of DS31256 Applications
App Note 3344: DS31256 -- T3/E3 MUX/DS3112 Hardware Connections
App Note 3328: Minimize Short-Circuit Current Pulse in Hot-Swap Controller
App Note 3317: Adding Windows NT/2000/XP Support to the AN3315 Parallel-Port 2-Wire Software
App Note 3315: Writing Parallel-Port 2-Wire Software in C
应用笔记3313：DS1390/DS1391 RTC与Motorola SPI接口DSP的连接
应用笔记3300：I²C串行实时时钟与微控制器的接口
App Note 3292: Crunching FFTs with Microsoft® Excel
应用笔记3288：IC驱动多达四个单线圈锁定继电器
App Note 3263: Connecting the Agere Supermapper™ Device Family to Dallas T3 LIUs
应用笔记3229：为系统测量和保护选择温度传感器
应用笔记3228：在高中频ADC应用中，如何改善增益平坦度同时又不影响动态性能
应用笔记3227：上电复位与相关监控功能
App Note 3208: Elastic Store Operation
应用笔记3193：按照10Gbase-CX4发送器模板要求设计MAX3983
App Note 3190: Coherent Sampling Calculator (CSC)
应用笔记3178：宽量程温度检测IC
应用笔记3173：风扇自动控制：高速芯片冷却技术的趋势
应用笔记3149：PWM至线性信号转换电路
应用笔记3131：Agere Ultramapper器件与Dallas T3/E3 LIU的连接
应用笔记3121：选择T1/E1/J1单片收发器
应用笔记3111：DS3144成帧器与DS3154 LIU的连接
应用笔记3062：数字接收机中高性能ADC和射频器件的动态性能要求
App Note 2931: HFTA-09.0: T3/E3/STS-1 Fiber Optic Extension
App Note 2913: Hot-Swap Controllers Improve Power-Supply Sequencing
应用笔记2884：副边变压器端接提升高速ADC的增益平坦度
应用笔记2877：使用测试寄存器调整DS315x的脉冲波形
App Note 2863: The Effects of Adjusting the DS1086L's Dither Span and Dither Frequency on EMC Measurements
应用笔记2857：利用模拟开关实现T1/E1/J1的N+1冗余
应用笔记2853：多电压系统监控器
App Note 2833: Interfacing an SPI RTC with a Motorola DSP
App Note 2765: Flexible Fault Protection
App Note 2736: Understanding, Using, and Selecting Hot-Swap Controllers
App Note 2731: DS2155, DS21Q55, DS2156 Programming SLC-96
应用笔记2722：DS2156 Utopia II总线与Dallas演示板的连接
App Note 2713: Switching Frame Mode In Live T1 Systems
App Note 2706: Bit Error Rate Testing the DS314x Series of DS3/E3 Framers
App Note 2704: MAX3983: Equalize 10Gbase-CX4 and Copper InfiniBand Links with the MAX3983
应用笔记2696：T3/E3/STS-1网络的冗余保护
App Note 2400: A Compact 36-72V DC Input, 3.3V/10A Output Power Supply
App Note 2391: Dual Voltage Tracking Circuit for I/O, Microprocessor, and DSP Core Voltages
应用笔记2378：灵活的系统故障保护电路设计
App Note 2361: Interfacing an SPI-Interface RTC with a PIC Microcontroller
App Note 2160: Using the MAX8515 Shunt Regulator In Output Overvoltage Sensing Applications for DC-DC Converters
App Note 2158: Advantages of IC-Based Hot-Swap Circuit Protection
应用笔记2154：微控制器时钟 ― 选择晶振、谐振槽路、RC振荡器还是硅振荡器？
应用笔记2143：用DS1340-33替代ST M41T00
应用笔记2142：利用DS1340的校准功能
App Note 2141: Determining Clock Accuracy Requirements for UART Communications
应用笔记2122：LVDS串行－解串器在双绞线电缆数据传输中的性能
App Note 407: DS2148/DS21348 Hardware Mode
App Note 406: DS21Qx5y BSDL Scan Chain Mapping
App Note 403: DS2155 and DS26401 Software Comparison
App Note 405: Power-Fault Protection Layout
App Note 404: Modifying the E3 Template Compliance of the DS3150, DS315x and DS325x
App Note 2077: Using Dallas Semiconductor NV SRAMs in RAID Applications
App Note 2043: A Compact, Isolated Power Supply, 48V to 3.3V at 7A
App Note 2040: 50W Current-Mode Forward Converter Design with the MAX8540
App Note 2039: 50W Voltage-Mode Forward Converter Design with the MAX8541
应用笔记2023：LVDS串行-解串器在双绞线电缆数据传输中的性能分析
App Note 2004: Calibrating the DS1340 Real-Time Clock
App Note 520: Using a Watchdog Timekeeping RAM with a Microcontroller
App Note 1995: Using Spread Spectrum Oscillators to Reduce Radiated Emissions in Consumer Products
App Note 1993: MAX3872: Choosing an Optimal Filter Capacitor for the MAX3872 Multi-Rate CDR
应用笔记1976：Dallas Semiconductor的延迟线如何工作？
应用笔记1974：利用看门狗改善系统可靠性―如何正确选择器件
App Note 402: Additional Pulse Amplitude Settings for DS2148, DS21348, DS21Q48, DS21Q348 and DS21448
App Note 1926: Watchdogs Improve System Reliability—How to Choose the Right Part
App Note 400: DS2155 Monitor Mode Design
App Note 401: Extended System Information Bus (ESIB) Control Application
App Note 1916: An Introduction to Jitter in Communications Systems
App Note 398: T3/E3/STS-1 LIU Secondary Surge Protection Design
App Note 516: Using Multiplexed Bus Clocks with a Microcontroller
App Note 1881: -48V Hot Swap Solution For Telecom Line Cards Assures Immunity To Input Voltage Transients
App Note 1873: 4mA–20mA Loop Powered Temperature Sensor
App Note 1856: Signal Integrity vs. Transmission Rate and Cable Length for LVDS Serializers
App Note 232: Using the DS1086 as a Microcontroller Clock to Reduce EMI
App Note 1837: One-Shot Timing Improves Microprocessor Reset Circuit
App Note 1819: Selecting the Optimum Test Tones and Test Equipment for Successful High-Speed ADC Sinewave Testing
App Note 1814: Speed Control For Isolated -48V Fans
App Note 230: EconOscillator Comparison
App Note 396: Design Migration from DS21Q55 to DS21Q50 or DS21Q59
App Note 397: Pulse Template Measurement
App Note 1801: Network Interface and Circuit Designs for Secondary Protection of the DS2155 Single-Chip Transceiver
App Note 1797: Measuring Telecom Systems Against a Pulse Mask Template
App Note 1789: A Cheap, Tiny LDO Provides Up To 2A Output Current
App Note 1788: HFAN-06.2: IBIS Data for CML, PECL, and LVDS Interface Circuits
App Note 390: DS31256 and T1/E1 Interface
App Note 1754: Portable Temperature Monitoring Demystified
App Note 1752: Applying HSTL Signals to PECL Input Devices
App Note 1738: HFAN-09.0.4: NRZ Bandwidth - LF Cutoff and Baseline Wander
App Note 395: DS21Q59 vs. DS21Q50 Quad E1 Transceivers
App Note 220: Decoupling Requirements for the DS1077/DS1085 EconOscillators
App Note 394: HDLC Configuration of Framers and Transceivers
App Note 393: E1 Operation of Dallas Semiconductor Framers and SCTs
App Note 218: DS1086 Frequency Calculator and Frequency Calculation Algorithm
App Note 1195: Maximize Battery Life and Minimize Replacements
App Note 215: 2-Wire Communication Using LabVIEW
App Note 391: NRZ Applications
App Note 209: How Delay Lines Work
App Note 389: DS2155 Internal BERT Programming
应用笔记1154：VFD管制造商网站
App Note 1145: Interface a Multiplexed-Bus Real-Time Clock to a µP With Separate Address and Data Buses
App Note 1136: Switching Between Battery and External Power Sources
App Note 1133: Multiple Voltage Systems Need Supply-Voltage Sequencing
App Note 1130: Phase-Lock Loop Applications Using the MAX9382
App Note 1126: Simple Circuit Protects Systems from Overheating
App Note 1125: Circuit Generates Analog Fan-Speed Control
App Note 1102: HFAN-09.0.3: APON Class A, B, & C Physical Layer Requirements
App Note 206: Using a PC's RS-232 Serial Port To Communicate with 2-Wire Devices
App Note 507: PowerCap Package Allows for Density Upgrades, Surface Mount Assembly
App Note 387: Using DS2148/348 as Repeater
App Note 200: A Programmatic Approach to Calculating DS1085 Programmable-Oscillator Register Values
App Note 1075: Simplify Isolated Temperature Sensing With Single Wire Sensors
App Note 202: NV SRAM Frequently Asked Questions
App Note 1062: Designing Compact Telecom Power Supplies
应用笔记1058：LVDS促进3G基站的高速信号传送
App Note 1057: Compensating for Ideality Factor and Series Resistance Differences between Thermal Sense Diodes
App Note 1043: Single Supply Sequencer Sequences Negative Voltages
App Note 1040: Coherent Sampling vs. Window Sampling
App Note 505: Lithium Coin-Cell Batteries: Predicting an Application Lifetime
App Note 182: Frequency Calculator for the DS1085/DS1085L EconOscillator
App Note 384: T1/E1/J1 Dual Connector Interface
App Note 985: HFAN-09.0.2: Optical Signal-to-Noise Ratio and the Q-Factor in Fiber-Optic Communications Systems
App Note 382: J1 Japanese Standards
App Note 14: Design Considerations for All-Silicon Delay Lines
App Note 967: How to Minimize Power Dissipation in Li+ Linear Chargers
App Note 376: Simple, Low-Cost, 4-Port E1 Design Using DS21Q50
App Note 504: Design Considerations for Dallas Semiconductor Real-Time Clocks
App Note 701: Using the DS32kHz with Dallas Real-Time Clocks
App Note 307: DS2152, DS2154, DS2151, DS2153, DS21X5Y and DS2155 Three Channel Drop and Insert
App Note 592: Silicon Timed Circuits: Frequently Asked Questions
App Note 961: Thermal Protection in Low-Cost Systems, Part 1
App Note 370: Using RCLK in a BITS/SSU Application
App Note 381: Interfacing the DS2155 to the MPC8260
App Note 941: Circuit Monitors Board, Air, and CPU Temperature to Protect System from Overheating
App Note 379: Conversion Between T1 and E1
App Note 896: Fan Control Advances: Consider Fan Regulation
应用笔记872：LVDS分离器简化高速信号分配
App Note 375: Interfacing User Devices and the DST1E1DK SCT Design Kit
App Note 880: Tech Brief 31: Using Delay Lines to Generate Multi-Phased Clocks
App Note 879: Tech Brief 30: Skew Correction Using Delay Lines
App Note 274: HFAN-02.0: Interfacing Maxim Laser Drivers With Laser Diodes
应用笔记873：通过低电压差分信号(LVDS)传输高速信号
App Note 378: DS3112 Clock Rates and Frequency Tolerances of the Transmit Clock
App Note 374: DS2155 vs. DS21x5y: Software and Hardware Considerations
App Note 336: Transparent Operation on T1, E1 Framers and Transceivers
App Note 324: T1/E1 Network Interface Design
App Note 809: Rev Up Your Fan Speed Control Designs
App Note 334: DS2172 BERT Interface to all Dallas Framers and Transceivers
App Note 325: DS2151, DS2152, DS2153, DS2154 Dallas Single Chip Transceiver Crystal Selection Guide
App Note 310: D4 Framing and Signaling
App Note 351: T1/E1 and T3/E3 Transformer Selection Guide
App Note 361: DS21354/DS21554 vs. DS2154 Single Chip Transceivers
App Note 337: DS2151 Implementation of ANSI T1.231-1993
App Note 342: T1/E1 Framer Initialization and Programming
App Note 590: Maxim® Telecommunications Frequently Asked Questions
App Note 360: DS21352/DS21552 versus DS2152 Single Chip Transceiver
App Note 341: DS2151, DS2153 Device Identification
App Note 1858: Tiny IC Debounces Pushbutton Switch
App Note 345: DS21352/552, DS2151, DS2152, DS2141A, DS21Q42 Programming SLC-96
App Note 596: HFAN-02.2.0: Extinction Ratio and Power Penalty
App Note 301: Legacy T1/E1 8MHz Backplane Operation
App Note 502: Interfacing SPI Real-Time Clocks (RTCs) with a Microcontroller
App Note 340: DS2153 Programming, ETS 300-011 Remote Alarm Generation
App Note 461: Programming and Controlling the FDL on DS2141A, DS2151
App Note 362: Replacing the TDK 78P7200/2241 with the DS3150 Line Interface Unit
App Note 319: DS2152, DS2154, DS21x5Y, and DS2155 Interfacing to the MC68360 (QUICC32)
App Note 333: DS2172 Pattern Synchronization
App Note 332: DS2172 Simplified Receiver Operation
App Note 309: Interfacing to the Fractional T1 and E1
App Note 564: Tech Brief 10: ESD Considerations for RS-232 Drivers
App Note 561: Tech Brief 7: DS2152 and DS2154 8MHz System Clock Operation
App Note 571: Using Analog Temperature Sensors with ADCs
App Note 356: DS21Q44 vs. DS21Q43A
App Note 355: DS21Q4x, DS215x, and DS21x5y Test Registers
App Note 83: Fundamentals of RS-232 Serial Communications
App Note 95: Interfacing the DS1307 with an 8051-Compatible Microcontroller
App Note 58: Crystal Considerations with Dallas Real-Time Clocks (RTCs)
App Note 357: DS21Q42 vs. DS21Q41B
App Note 739: Design Considerations for Data-Lump Cables
App Note 1785: Flexible Hot-Swap Current Limiter Allows Thermal Protection
App Note 1784: Fan Speed Control is Cool!
App Note 694: Temperature Sensor ICs Simplify Designs
App Note 819: Isolated Power Supply Is Suitable For Telecom/Datacom Applications
App Note 836: Selecting and using RS-232 Interface Parts for Your Power Supply Voltages
App Note 720: Microprocessor Supervisors Offer Big Insurance in Small Packages
App Note 462: HFAN-04.0.2: Converting between RMS and Peak-to-Peak Jitter at a Specified BER
App Note 481: Simple Circuit Activates Fan When Processor Heats Ups
App Note 487: MAX6652 System Monitor Combines Voltage Monitoring with Temperature Sensing
App Note 639: Maxim Leads the Way in ESD Protection
App Note 685: How to Simplify the Interface between Microcontroller and Temperature Sensor
App Note 687: Distributed Temperature Sensing Improves Reliability
App Note 651: ESD Protection for I/O Ports
App Note 655: Supervisor ICs Monitor Battery-Powered Equipment
应用笔记2651：采用单电源µP监控电路监视双电源