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Application Notes by Category

Over 2000 application notes and technical articles written by engineers, for engineers.
You can comment on any application note and contribute to the engineering community.
These articles offer experienced analysis, design ideas, reference designs, and tutorials—to make you an expert.

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Newest Appnotes

T/E Carrier
TDM over Packet

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App Note 4391 Abstract
Implement Master-Slave Timing-Card Redundancy Using Maxim Timing ICs

Carrier Ethernet

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PDF (62K)

App Note 4233 Abstract
Carrier Ethernet Service Demarcation in Optical Networks

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PDF (46K)

App Note 4118 Abstract
DS33R11 Multichip-Module BSDL Testing

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App Note 4102 Abstract
Using Ethernet over PDH in SONET/SDH Networks

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App Note 4059 Abstract
DS33R41 Multichip-Module BSDL Testing

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App Note 3849 Abstract
Ethernet-over-PDH Technology Overview

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App Note 3488 Abstract
EEPROM Programming Instructions for DS33Z11/DS33Z44

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App Note 3411 Abstract
DS33Z11 - Ethernet LAN To Unframed T1/E1 WAN Bridge

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App Note 3363 Abstract
New Ethernet Systems Distribute DC Power with Data

Other

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App Note 3818 Abstract
Enabling Fractional-T1(FT1) Loopback Detection on the DS31256

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App Note 3475 Abstract
DS31256 PCI Bus Utilization

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App Note 3345 Abstract
Examples of DS31256 Applications

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App Note 3259 Abstract
DS31256 -- Example Code for Registers Dump

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App Note 3071 Abstract
Internal Test Registers for the DS31256

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App Note 2872 Abstract
DS31256 HDLC Controller Step-by-Step Configuration—Bridge Mode

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App Note 2871 Abstract
DS31256 HDLC Controller Step-by-Step Configuration—Configuration Mode

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App Note 399 Abstract
DS31256 Loopback Modes

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App Note 392 Abstract
DS31256 Gapped Clock Applications

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App Note 375 Abstract
Interfacing User Devices and the DST1E1DK SCT Design Kit

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App Note 334 Abstract
DS2172 BERT Interface to all Dallas Framers and Transceivers

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App Note 332 Abstract
DS2172 Simplified Receiver Operation

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App Note 333 Abstract
DS2172 Pattern Synchronization

T/E Carrier

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App Note 4325 Abstract
Transmit Pulse Control on the DS26518 T1/E1/J1 Transceiver

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App Note 3968 Abstract
How to Use the Bit-Error-Rate Tester (BERT) on the DS2652x STCs

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App Note 3919 Abstract
Initilization and Configuration of the DS26303 LIU

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App Note 3916 Abstract
DS26303 Short-Haul Line Interface Unit vs. IDT82V2048

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App Note 3915 Abstract
DS26303 Short-Haul Line Interface Unit vs. LXT384

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App Note 3894 Abstract
DS26522 JTAG Scan Chain Mapping

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App Note 3827 Abstract
Initialization and Configuration of the DS26528 Transceiver

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App Note 3777 Abstract
Using Software to Shape the Transmit Pulse of the DS325x LIUs

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App Note 3760 Abstract
Interleaved Bus Operation

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App Note 3763 Abstract
Measuring and Improving Return Loss on the DS317x and DS318x T3/E3/STS-1 LIUs

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App Note 3686 Abstract
DS2155 and DS26521 Software Comparison

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App Note 3718 Abstract
DS26528 and DS26524 Transmit Pulse Control

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PDF (255K)

App Note 3670 Abstract
Measuring Return Loss Using the Advantest R3132 Spectrum Analyzer

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App Note 3705 Abstract
DS3112 LRCLKx Low Speed Clock Recovery Operation

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App Note 3609 Abstract
Clock-Rate-Adapter (CLAD) Features for DS325X, DS316X, DS317X, and DS318X

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App Note 3604 Abstract
JJ-20.11-Compatible Interface for the DS2155 and DS21455 SCTs

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App Note 3610 Abstract
DS21458 Quad and DS26528 Octal Transceiver Software Comparison

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PDF (476K)

App Note 3619 Abstract
DS26334 and DS26324 Transmit Pulse Control

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App Note 3547 Abstract
Measuring Return Loss on T3/E3/STS-1 LIUs

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App Note 3556 Abstract
Configuring Dallas Semiconductor LIUs Without a Microcontroller

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App Note 3479 Abstract
DS2154 – Migrating from Revision A2 to D1

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App Note 3422 Abstract
DS26502 Hardware Mode

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App Note 3410 Abstract
Guidelines for Laying Out T3 and E3 Network Interfaces

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App Note 3409 Abstract
Configuration of CLAD for DS318x

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App Note 3351 Abstract
T3/E3/STS-1 Low Cost Repeater

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App Note 3349 Abstract
T1/E1 Loopback Operation for Dallas Semiconductor T1/E1/J1 transceivers

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App Note 3344 Abstract
DS31256 -- T3/E3 MUX/DS3112 Hardware Connections

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App Note 3360 Abstract
DS2155 and DS26502 Software Comparison

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App Note 3357 Abstract
DS2155 To DS21458 Migration

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App Note 3347 Abstract
DS31256 Unchannelized T3/E3/HSSI/VDSL Port Configuration for Bridge Mode Applications

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App Note 3208 Abstract
Elastic Store Operation

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App Note 3263 Abstract
Connecting the Agere Supermapper™ Device Family to Dallas T3 LIUs

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App Note 3131 Abstract
Connecting the Agere Ultramapper Device Family to Dallas T3/E3 LIUs

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App Note 3121 Abstract
Selecting a T1/E1/J1 Single-Chip Transceiver

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App Note 3111 Abstract
Interfacing the DS3144 Framer with the DS3154 LIU

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App Note 2931 Abstract
HFTA-09.0: T3/E3/STS-1 Fiber Optic Extension

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App Note 2857 Abstract
T1/E1/J1, N+1 Redundancy With Analog Switches

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App Note 2877 Abstract
Modifying the pulse shape of DS315x using Test Registers

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App Note 2867 Abstract
Initialization Steps for the DS31256

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App Note 2731 Abstract
DS2155, DS21Q55, DS2156 Programming SLC-96

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App Note 2722 Abstract
Interfacing the DS2156 Utopia II Bus to Dallas Demo Kits

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App Note 2713 Abstract
Switching Frame Mode In Live T1 Systems

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App Note 2706 Abstract
Bit Error Rate Testing the DS314x Series of DS3/E3 Framers

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App Note 2696 Abstract
Redundancy Protection for T3/E3/STS-1 Networks

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App Note 407 Abstract
DS2148/DS21348 Hardware Mode

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App Note 403 Abstract
DS2155 and DS26401 Software Comparison

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App Note 405 Abstract
Power-Fault Protection Layout

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App Note 406 Abstract
DS21Qx5y BSDL Scan Chain Mapping

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App Note 404 Abstract
Modifying the E3 Template Compliance of the DS3150, DS315x and DS325x

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App Note 402 Abstract
Additional Pulse Amplitude Settings for DS2148, DS21348, DS21Q48, DS21Q348 and DS21448

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App Note 400 Abstract
DS2155 Monitor Mode Design

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App Note 401 Abstract
Extended System Information Bus (ESIB) Control Application

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App Note 398 Abstract
T3/E3/STS-1 LIU Secondary Surge Protection Design

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App Note 396 Abstract
Design Migration from DS21Q55 to DS21Q50 or DS21Q59

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App Note 397 Abstract
Pulse Template Measurement

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App Note 1801 Abstract
Network Interface and Circuit Designs for Secondary Protection of the DS2155 Single-Chip Transceiver

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App Note 1797 Abstract
Measuring Telecom Systems Against a Pulse Mask Template

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App Note 390 Abstract
DS31256 and T1/E1 Interface

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App Note 348 Abstract
DS2154L vs. DS2153Q

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App Note 395 Abstract
DS21Q59 vs. DS21Q50 Quad E1 Transceivers

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App Note 394 Abstract
HDLC Configuration of Framers and Transceivers

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App Note 393 Abstract
E1 Operation of Dallas Semiconductor Framers and SCTs

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App Note 382 Abstract
J1 Japanese Standards

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App Note 391 Abstract
NRZ Applications

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App Note 319 Abstract
DS2152, DS2154, DS21x5Y, and DS2155 Interfacing to the MC68360 (QUICC32)

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App Note 389 Abstract
DS2155 Internal BERT Programming

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App Note 384 Abstract
T1/E1/J1 Dual Connector Interface

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App Note 325 Abstract
DS2151, DS2152, DS2153, DS2154 Dallas Single Chip Transceiver Crystal Selection Guide

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App Note 388 Abstract
Hitless Protection Switching with 1+1 Redundancy

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App Note 387 Abstract
Using DS2148/348 as Repeater

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App Note 376 Abstract
Simple, Low-Cost, 4-Port E1 Design Using DS21Q50

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App Note 307 Abstract
DS2152, DS2154, DS2151, DS2153, DS21X5Y and DS2155 Three Channel Drop and Insert

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App Note 370 Abstract
Using RCLK in a BITS/SSU Application

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App Note 381 Abstract
Interfacing the DS2155 to the MPC8260

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App Note 379 Abstract
Conversion Between T1 and E1

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App Note 590 Abstract
Maxim® Telecommunications Frequently Asked Questions

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App Note 378 Abstract
DS3112 Clock Rates and Frequency Tolerances of the Transmit Clock

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App Note 374 Abstract
DS2155 vs. DS21x5y: Software and Hardware Considerations

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App Note 336 Abstract
Transparent Operation on T1, E1 Framers and Transceivers

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App Note 324 Abstract
T1/E1 Network Interface Design

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App Note 351 Abstract
T1/E1 and T3/E3 Transformer Selection Guide

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App Note 341 Abstract
DS2151, DS2153 Device Identification

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App Note 361 Abstract
DS21354/DS21554 vs. DS2154 Single Chip Transceivers

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App Note 310 Abstract
D4 Framing and Signaling

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App Note 337 Abstract
DS2151 Implementation of ANSI T1.231-1993

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App Note 338 Abstract
DS2141A, DS2151 Alarm Set and Clear Criteria

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App Note 360 Abstract
DS21352/DS21552 versus DS2152 Single Chip Transceiver

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App Note 339 Abstract
DS2141A, DS2151 D4 Framing Applications

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App Note 342 Abstract
T1/E1 Framer Initialization and Programming

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App Note 326 Abstract
DS2141A, DS2143, DS2151, DS2153 Interfacing to a Nonmultiplexed Bus

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App Note 345 Abstract
DS21352/552, DS2151, DS2152, DS2141A, DS21Q42 Programming SLC-96

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App Note 301 Abstract
Legacy T1/E1 8MHz Backplane Operation

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App Note 354 Abstract
DS2152, DS2154 Clock Map

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App Note 340 Abstract
DS2153 Programming, ETS 300-011 Remote Alarm Generation

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App Note 347 Abstract
Converting the DS2151/DS2153 Demo Kits

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App Note 346 Abstract
Converting the DS2152/DS2154 Demo Kits

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App Note 362 Abstract
Replacing the TDK 78P7200/2241 with the DS3150 Line Interface Unit

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App Note 329 Abstract
DS2151 Special Modes

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App Note 330 Abstract
DS2153 Special Modes

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App Note 461 Abstract
Programming and Controlling the FDL on DS2141A, DS2151

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App Note 327 Abstract
DS2151, DS2153 Creating a T1/E1 Channel Service Unit

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App Note 315 Abstract
DS2141A, DS2143, DS2151, DS2153 Interfacing to the Siemens PEB2045

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App Note 316 Abstract
DS2151, DS2153 Interfacing to the PMC-Sierra PM7345

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App Note 321 Abstract
DS2152, DS2154 Interfacing to the IGT ALL1 SAR (WAC-021-C)

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App Note 323 Abstract
DS2151, DS2152, DS2153, DS2154 T1/E1 Line Monitor

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App Note 317 Abstract
DS2152, DS2154 Interfacing to the Siemens PXB4220

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App Note 328 Abstract
DS2141A Creating a DS/ESF Channel Service Unit

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App Note 318 Abstract
DS2151, DS2153 Interfacing to the MC68MH360 QUICC32

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App Note 320 Abstract
DS21Q41, DS21Q43 Interfacing to the MC68MH360 QUICC32

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App Note 322 Abstract
DS2153, DS2154 Selectable 120 and 75Ω E1 Interface

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App Note 313 Abstract
DS2141A, DS2143, DS2151, DS2153 Interfacing to the Mitel MT8980D

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App Note 312 Abstract
DS2151, DS2153 Interfacing to the PEB20320

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App Note 314 Abstract
DS2141A, DS2142, DS2151, DS2153 Per-Channel Loopback

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App Note 311 Abstract
DS2151, DS2153 Interfacing to the Hitachi HD64570

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App Note 306 Abstract
DS2141A, DS2143 Three Channel Drop and Insert

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App Note 309 Abstract
Interfacing to the Fractional T1 and E1

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App Note 308 Abstract
DS2141A, DS2143, DS2151 and DS2153 Interfacing to the SGS-Thomson M3488

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App Note 305 Abstract
DS2151, DS2153 Interfacing to the Brooktree Bt8221 and Bt8222

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App Note 302 Abstract
DS2141, DS21Q41, DS21Q43 8-MHz System Clock Operation

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App Note 303 Abstract
DS2151, DS2153 Interfacing to the ADSP-2181

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App Note 304 Abstract
DS2151, DS2153 Interfacing to the AT&T T7270

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App Note 561 Abstract
Tech Brief 7: DS2152 and DS2154 8MHz System Clock Operation

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App Note 359 Abstract
Interfacing the DS21x5y to the TMS320C54x

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App Note 356 Abstract
DS21Q44 vs. DS21Q43A

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App Note 357 Abstract
DS21Q42 vs. DS21Q41B

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PDF (38K)

App Note 355 Abstract
DS21Q4x, DS215x, and DS21x5y Test Registers

TDM over Packet

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App Note 4158 Abstract
Interoperability of Maxim's TDM-over-Packet (TDMoP) Devices with Other Vendors' TDMoP Devices

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PDF (46K)

App Note 4115 Abstract
How to Use Jitter Buffers on TDMoP Products to Compensate for Packet-Delay Variation (PDV)

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PDF (202K)

App Note 3963 Abstract
How to Install NISTnet Software and Configure TDMoP Products to Run with It

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PDF (73K)

App Note 4319 Abstract
FDL Network Loopback Support Using TDMoP Devices

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