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Wireless

The Use of Ultrasound-Sensing Devices in Design Problems - Part 1

We all know that ultrasound-sensing devices are used for sensing approaching objects, distance measurements, flow analysis, and sonograms for starters. Upon first seeing the algorithms and circuits used for medical imaging, a designer could get cold feet quick.

The purpose of this article is to shed some light on the issues related to the use of ultrasound as a wireless means to solve a design problem. In addition, the author found that the development systems available at reasonable cost (under $250) did not provide enough "hooks" to control pulse width, frequency, and sampling intervals.

Blue Dot  Click here to read the complete article.

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Complete Topics Listing

  Analog IC Design - Lien Wee Liang (Still available from archives)
The first of what we hope will be a large number of EE guides from outside the U.S., Lien does his designing in Singapore. Since his designs are all cost-constrained, heŭs a good guide to practical, low-cost solutions to analog design challenges.

  Design Fundamentals - Don Truex (Still available from archives)
It's always a good idea to go back to basics every once in awhile and brush up on the stuff you learned in college but have forgotten. Don has dedicated his pages to this helpful task.

  Digital/Analog Product Design - Brian Elfman
Brian's pages feature tech tips, a column, recommended links, news and resources. It's a great resource for seasoned EEs as well as novices.

  EMI/EMC - Bill Kimmel
Bill's claim to fame is the EMI/EMC seminars he gives around the country. Heŭs more than happy to share some of his expertise with us, however, through a Q&A format for his pages.

  Electronics Design - Hank Wallace
If you have dreams of taking on some part-time work as an independent contractor, or making it in a full-time occupation, Hank's tips will be more than useful.

  Electronic Technology - Brian McGinty
Leave your normal hard-core engineering stuff behind and taking a whimsical tour of the engineering mystique with Brian.

  Firmware Design - Bill Sprouse
Real-time firmware has several unique characteristics when compared to typical software design. The fact that it is embedded means that, unlike PC or mainframe programs, the firmware is designed to run continuously in one state or another during the entire time that the system is in use.

  High Performance Mixed-Signal Design - Jerry Horn
Got a question on high-performance mixed-signal design? Jerry may already have answered it so check out his Q&A on the topic. Or, ask Jerry a question yourself.

  High Speed Digital Design - Dr. Howard Johnson
The author of High-Speed Digital Design: A Handbook of Black Magic, Dr. Johnson frequently conducts technical workshops for digital engineers around the world. He shares his expertise with us through a Q&A format.

  Power and Instrumentation Electronics - Dennis Feucht
Dennis covers topics and presents tutorials in power electronics, motion control, alternative energy, and related instrumentation issues, connecting theory and practice for engineering design.

  Product Engineering - Darren Ashby
Op amps and other fundamental analog circuits can be challenging for EEs educated in the '80s and '90s so Darren is dedicating his pages to fill that knowledge gap.

  Wireless - Michael Sciarra
Wireless LANS, computer oscilloscopes, transmitter designs and so much more are discussed in Michael's Wireless section.

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