Circuit Cellar Issue 256 November 2011-PDF

Issue #256
November 2011
Theme: Analog Techniques

TASK MANAGER—Tech Evolution, by C. J. Abate, p. 4
NEW PRODUCT NEWS, p. 8
TEST YOUR EQ—p. 17
CROSSWORD—p. 74
High-Accuracy Voltage Reference Using PWM (Part 2): Hardware Design, by David Ludington, p. 18
Auditory Navigator, by Garrett Phillips, Matthew Kinne, and Nick Annetta, p. 24
Sound Tone Detection with a PSoC (Part 1): Analog Signal Management, by Guido Ottaviani, p. 30
Super Arduino: Getting Started with the chipKIT Max32, by Clemens Valens, p. 42
THE CONSUMMATE ENGINEER— Shielding and Transfer Impedance, by George Novacek, p. 46
LESSONS FROM THE TRENCHES—Design Development (Part 4): Processors, Power, and Interfacing, by George Martin, p. 54
EMBEDDED UNVEILED—Ionization Detectors, by Richard Wotiz, p. 60
FROM THE BENCH— Fly-By-Wire Wheelchair (Part 1): Beyond Normal Joystick Control, by Jeff Bachiochi, p. 66
PRIORITY INTERRUPT—To 4G or Not to 4G?, by Steve Ciarcia, p. 80