Circuit Cellar Ink 243
October 2010

Table of Contents

4 CJ Abate	HTML Task Manager Embedded Design Basics and Beyond
8 John Gorsky	HTML New Product News MikroKera line of low-power MEMS H2 adn VOC sensors from Synkera Technologies, Inc. Model FT29xx amplified pressure transducer from Stellar Technology, Inc. AD9650 dual 16-bit, 105-Msps, low-power, low-noise ADC from Analog Devices, Inc. insulated metal substrate (IMS) PCB prototyping service from PCB-POOL
11 David Tweed	HTML Test Your EQ - Answers for Issue 242
The Consummate Engineer 12 George Novacek	Filters, Filters Everywhere There's no lack of information about filters and filter design on the Internet. But you need to know specifically how filters figure in embedded control systems. This means you must be familiar with low-pass, antialiasing filters.
16 Steve Lubbers	Doppler Radar Design A Doppler radar system can enable you to track speeding vehicles. This design generates a microwave energy burst with a 10-GHz transceiver. The microwave signal bounces off a moving vehicle and the frequency shift is measured to determine its speed. Download: Lubbers-243.zip
24 Monte Dalrymple	Calculator Brain Transplant Update a Vintage Design with FPGA Technology Do you remember the glory days of Hewlett-Packard calculators? Here you learn how to replace the CPU in a 30-year-old calculator with an improved FPGA implementation.
38 James Lyman	Universal Prototyping Board Having trouble prototyping with microprocessors? Tired of spending too much time cramming and wiring even the simplest projects? Here you learn to build your own universal prototyping board that you can customize for most of your projects. Download: Lyman-243.zip
The Darker Side 44 Robert Lacoste	A Tour of the Lab Part 2: The Frequency Domain In the first part of this series, you learned about the time domain equipment a professional engineer needs to succeed in the ever-evolving embedded design industry. This article is about essential frequency domain equipment.
Above the Ground Plane 54 Ed Nisley	Avoiding Robotic FAIL Expect the Unexpected You're building a robot. Want to prevent failure? Plan for the unexpected. As you'll see, good engineering involves incorporating large safety margins, adequate redundancy, and comprehensive error-handling -- and doing so under budget, of course.
From the Bench 62 Jeff Bachiochi	Real-Time Feedback A Versatile LCD Character Display Module LEDs are efficient and serve an important role in many embedded design projects. But let's face it, a character-based LCD module can really bring a design to the next level. When you're looking for real-time feedback, a versatile LCD module is the way to go. Download: Bachiochi-243.zip
Silicon Update 68 Tom Cantrell	Live for Today The 8-Bit MCU Still Matters "The 8-bit market is dead." Many years have passed and billions of 8-bit MCUs have hit the market since Tom first heard this statement. And in today's era of 32-bit wunderchips, it's hard for our little friends to get any respect. You may not notice them, but they're everywhere.
74	Crossword Puzzle
78	Crossword Puzzle - Answers for Issue 242
79	Advertiser's Index / November Preview
80 Steve Ciarcia	HTML Priority Interrupt Sci-Fi Inspirations

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