Circuit Cellar Issue 215 June 2008-PDF

Issue #215
June 2008
Theme: Communications

TASK MANAGER—Communications Hub , by C. J. Abate, p. 4
NEW PRODUCT NEWS—edited by John Gorsky, p. 8
CROSSWORD—p. 93
Message Acquisition: Ring Signal Detection And Interpretation, by Peter Csaszar & Monica Flores, p. 14
Pump Control: Build A Variable-Speed Drive For Motors, by Richard Wotiz, p. 20
ABOVE THE GROUND PLANE—Resistance Soldering, by Ed Nisley, p. 30
Ray Tracing Made Simple: A Ray Tracer Implemented On An FPGA, by Scott Bingham & Yunfan Donald Zhang, p. 36
AIS Transmission Decoding, by Peter Baston, p. 46
MCU-Based Game System: A Dot-Matrix Game That Targets C Coding Efficiency, by Andrew March, p. 54
FROM THE BENCH—Self-Destructive Behavior: Processor Action Requires Power Supply Removal, by Jeff Bachiochi, p. 62
THE DARKER SIDE—Let's Be Crystal Clear, by Robert Lacoste, p. 70
SILICON UPDATE—Touch Me, by Tom Cantrell, p. 78
PRIORITY INTERRUPT—It's All In The Whiskers, by Steve Ciarcia, p. 96