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Current Issue

October 2007

Cover Story

 

TDR: taking the pulse of signal integrity

- By Paul Rako, Technical Editor
Time-domain reflectometry will help you design and troubleshoot cables, connectors, fast PCB traces, and high-speed packages. With TDR instruments, you can ensure the signal integrity of fast digital signals as they travel across your system. Both analog and digital engineers need to understand and use these techniques.

Pulse

 

Processor lowers the cost and power thresholds for HD video

- by Robert Cravotta

Cadence and Mentor create free, open-source SystemVerilog methodology

- by Michael Santarini

Video-codec cores offer programmability

- by Ron Wilson

REFERENCE DESIGN PREVENTS POWER THEFT

- by Margery Conner

Inova, Fujitsu propose serial-data standard for automotive video

- by Graham Prophet

Interactive operation with accuracy from EM software

- by Graham Prophet

LCD combines image sensor and touch screen

- by Graham Prophet

Module controls four network channels

- by Warren Webb

Agilent cuts signal-analysis costs, simplifies noise tests

- by Graham Prophet

Department and Columns

 

EDN.COMMENT: PCB prototypes add value in the design process

- BY MAURY WRIGHT, EDITORIAL DIRECTOR

ATE firm responds to RF chipmaker’s call

- By Rick Nelson, Chief Editor, Test & Measurement World

POWER MONITOR: Darnell’s theory of (digital) evolution

- BY JEFF SHEPARD, DARNELL GROUP

SIGNAL INTEGRITY: Jitter peaking and PLLs

- BY GARY GIUST

Design Ideas

 

CPLD’s internal oscillator performs autocalibration

- Rafael Camarota, Altera, San Jose, California

Swapping bits improves performance of FPGA-PWM counter

- Stefaan Vanheesbeke, Ledegem, Belgium

Relays eliminate high-voltage noise

- Jui-I Tsai, Woei-Wu Pai, Feng-Chang Hsu, Po-Jui Chen, Ching-Cheng Teng, and Tai-Shan Liao

Circuits monitor and balance large lithium-ion batteries

- Daniel Gomez-Ibanez, Woods Hole Oceanographic Institution, Woods Hole, Massachussetts

Features

 

Silicon safeguards automotive circuits

- BY DAVID MARSH • CONTRIBUTING TECHNICAL EDITOR
TRANSIENT VOLTAGES ARE AN INEVITABLE FEATURE OF THE AUTOMOTIVE ENVIRONMENT AND CAN EASILY DAMAGE DELICATE SILICON. INCREASINGLY HOWEVER, AUTOMOTIVESTRENGTH SILICON SOLUTIONS ASSUME ROLES THAT PASSIVE COMPONENTS TRADITIONALLY TACKLE.

PERMANENT-MAGNET MOTORS: boost efficiency and power density

- BY MARGERY CONNER • TECHNICAL EDITOR
SENSORLESS VERSIONS OF THESE HIGHLY EFFICIENT MOTORS REDUCE COST AND PARTS COUNT, BUT THE MOTORS STILL REQUIRE COMPLEX CONTROL ALGORITHMS. MATCH THE RIGHT MOTOR TYPE AND CONTROLLER TO YOUR APPLICATION FOR THE BEST PERFORMANCE AND COST.

Low-ohmic sense resistors in automotive systems

- BY ULLRICH HETZLER • ISABELLENHÜTTE HEUSLER
CURRENT DETECTION AND CONTROL IS GAINING MORE AND MORE SIGNIFICANCE IN ELECTRONICS IN GENERAL, AND PARTICULARLY IN AUTOMOTIVE ELECTRONICS, SINCE AN INCREASING NUMBER OF CURRENT-CONSUMING SYSTEMS IN THE CAR ARE CONTROLLED ELECTRONICALLY. HIGHER DYNAMIC LOADS DEMAND LARGER CURRENTS, AND FINALLY THERE

Product Roundup

 

FlexRay microcontroller


Updated PSoC Express


600-kHz 6th-order filter


High-current MicroTCA


10-MHz instrumentation


Stand-alone touch-switch IC



 

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