Circuit Cellar Ink 77
December 1996

Table of Contents

2 Ken Davidson	Task Manager Walt Graphics?
6	Reader I/O Letters to the Editor
8 Harv Weiner	New Product News
14 Ingo Cyliax	Video TImecode Fundamentals Want to condense your video collection into a few tapes of your favorite scenes? Ingo can help. After reviewing timecodes, he shows us how to implement a simple timecode reader for consumer-grade VCRs.
22 Peter Sorrells Shannon Poulin	Converting VGA Monitors Plain-Vanilla Monitors Become Plug-and-Play VESA-Compatible Designs With the rapidly increasing popularity of plug-and-play capability, manufacturers want to convert their monitors into DDC-compliant ones. Peter and Shannon offer a single-chip conversion solution.
30 Bruce Hubbard	Image Filtering Theory What's a Convolution Filter? Removing noise from digital images is often regarded as a black art. Bruce discusses his mighty magic using filtration, aliasing, Fast Fourier Transforms, and convolution codes. It's all a matter of the stir.
38 Do-While Jones	The Global Positioning System Part 1: Guiding Stars Sure, you can buy a GPS receiver for less than $200, but you also need to understand them. Do-While explains positioning equations, clock accuracy, receiver design, selective availability, and differential correction.
44 Ken Davidson	MicroSeries Applying the HCS II Part 1: Of Consoles and Criminals The joy of home automation is getting the system to give you what you need -- whether it's automatic lighting or simulated activity for those times you are away. Ken offers some tips from his own HCS II setup.
Embedded PC 52 Harv Weiner	Nouveau PC
Embedded PC 57 Kent Tabor Clint Hanson	The PICMG Standard for Passive Backplanes For high-speed bus and CPU performance, you need to satisfy current ISA requirements yet provide PCI support. Kent and Clint show us how the PICMG standard offers this better edge to industrial-PC applications.
Embedded PC 62 Naren Nachiappan	Embedded PCs Go Industrial Part 2: Windows NT in Real Time Many companies using industrial automation need real-time processing, but they also need compatibility with the desktop. Naren suggests that VentureCom's development tools enable Windows NT to be an effective solution.
Embedded PC 66 Ed Foster	PC/104 Quarter PC/104 Power Supplies for Mobile Environments Mobile environemnts are an electronics nightmare. Power surges, EMI and RFI sparks, load dumps, and environmental factors make it a challenging locale. Ed, however, shows us how to stabilize power in the midst of the storm.
Embedded PC 73 Fred Eady	Applied PCs Embedded PC Development Using Visual C++ and the Intel '386EX evaluation board, Fred has a blast showing us how Phar Lap's TNT Embedded ToolSuite is assembled and how applications interface with it. It represents the birth of a new and powerful tool.
82 Jeff Bachiochi	From the Bench Tools Part 2: PCB Layout -- Time to Place the Donuts Ever the designer, Jeff gives a helpful walkthrough of PCB layout software. You'll quickly see that modern software has brought us a long way from the old days of hand sketching and taping.
86 Tom Cantrell	Silicon Update Motorola Lights ColdFire It has the reduced instruction set of RISC but with better code density and improved cache and debug capabilities. It's in the gap between RISC and CISC. But, don't simply dismiss it as a madeover CISC or embrace it as a RISC.
81	Advertiser's Index
91 Ken Davidson	ConnecTime -- Excerpts from the Circuit Cellar BBS
104 Steve Ciarcia	Priority Interrupt No Nostradamus

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