Circuit Cellar Issue 255 October 2011-PDF

Issue #255
October 2011
Theme: Signal Processing

TASK MANAGER— Get Grounded, by C. J. Abate, p. 4
NEW PRODUCT NEWS, p. 8
TEST YOUR EQ SOLUTIONS—p. 17
CROSSWORD—p. 74
Embedded System Communication: A Control Platform for Ethernet-Enabled Systems, by Francis Fernandes, Rajendra Gad, Vinaya Gad, Shane Lobo, Gourish Naik, and Jivan Parab, p. 18
The Ultimate Cup Warmer, by Carl Stoez, p. 26
High-Accuracy Voltage Reference Using PWM (Part 1): Pulse-Width Modulation Theory, by David Ludington, p. 36
ABOVE THE GROUND PLANE—Stepper Motor Drive (Part 2): Microstepping, by Ed Nisley, p. 46
THE CONSUMMATE ENGINEER—Environmental Stress Screening, by George Novacek, p. 52
EMBEDDED IN THIN SLICES—Getting Started with Embedded Linux (Part 1): When to Choose Linux for an Embedded Design, by Bob Japenga, p. 56
FROM THE BENCH—Get Your Head Out of the Cloud: An API for Controlling a Wi-Fi Thermostat, by Jeff Bachiochi, p. 60
THE DARKER SIDE—Line-Coding Techniques, by Robert Lacoste, p. 66
PRIORITY INTERRUPT— What Goes Around, by Steve Ciarcia, p. 80