Circuit Cellar Ink 83
June 1997

Table of Contents


Ken Davidson

Task Manager

Life's Little Mysteries


Harv Weiner

New Product News


David Tweed

DSP-Based Canadian Timecode Receiver

Part 1: Identifying DSP Techniques

Many people get too caught up in the mathematical details of DSP. To prevent this, David takes a graphical approach. He introduces an app and its high-level design, identifying the necessary DSP techniques involved.


Dave Ryan
Asher Hazanchuk

On- and Off-Hook Caller ID Using DSP

Phone companies have already made on-hook caller ID popular. But, you can also quite easily gain this feature off-hook. After reviewing caller ID basics, Dave and Asher show us how to implement it using DSP.

Download: CIDDSP.ASM


Chris Sakkas

PC Telephone Interface

Chris shows you how to make a low-cost expansion card with a complete telephone interface. His software enables you to create applications for voice messaging, call processing, outbound calling, and home automation.



Art Sobel

Embedding the ARM7500

Part 2: Programming an Embedded Computer

Building on last month's introduction of the ARM7500, Art moves from chip architecture and development boards to firmware. He wants to make sure we have the instruction set that makes it zip!

Download: 75DEMON.ZIP

Embedded PC


Harv Weiner

Nouveau PC

Embedded PC


Raz Dan

An In-Depth Look at FTL

Since FTL-based drivers are becoming more common, you need to know more than the basics. After discussing FTL technology and algorithms, Raz showns us how TrueFFS interfaces to many storage devices.

Embedded PC


Rick Lehrbaum

PDF PC/104 Quarter

To ROM or NOT to ROM, That is the Question

We all take for granted the three minutes of boot-up time for desktop computers. But, we'd never tolerate such performance in a task-specific system. Rick looks at ways to gain instant response from an embedded PC/104 computer.

Embedded PC


Fred Eady

Applied PCs

Right on Cue, National Presents Slimline 'x86

Fred measures and stores voltages at specified times using National's NS486SXF. He showns how to get the ADC data into the '486 for processing, store the data to EEPROM, and use Vetra's Reverse Pipe for keyboard access.


Advertiser's Index


Hugh Anglin


Machine Vision, Part 1: Industrial Inspection

Ever hear of Inspector Gadget? He'd love to learn how Hugh blends a computer, camera, sensors, and RTOS software to make a small-scale vision inspection system.


Jeff Bachiochi

From the Bench

It Can't Be a Robot, Part 1: There are No Arms and Legs!

Robotics has been riddled with too many preconceptions. Over the next few columns, Jeff intends to look at some of the areas that make robots tick. This month, he concentrates on getting the motors going smoothly.


Tom Cantrell

Silicon Update

High-Velocity DSP

Tom's view: bit by bit, we've crept ahead through boosting clock rate and memory, but to make major leaps, we need a paradigm shift. Enter DSPs. They offer the optimal combination of data and signal processing.


Steve Ciarcia

HTML Priority Interrupt

A Winning Proposition

FTP Directory for INK 83
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