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Jon Titus

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Jon Titus, a former designer and chief editor of EDN and Test & Measurement World magazines, remembers when "fast" signals operated at 10 MHz and programs came on paper tape. Email him with your thoughts on his Mechatronics Zone blog at jontitus@comcast.net.

Title: Contributing Editor

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  • Recent Posts - 26
  • Avg Posts Per Week - 1
  • Posts Written - 26

Mechatronics Zone

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A Water-Meter Reading Robot?

By coincidence, Texas Instruments and Freescale Semiconductor both sent email messages today to tout their “metering” integrated circuits that let engineers design small efficient products that can work within electric, water, and gas meters. Products from TI include microcontrollers, power-semiconductors, and low-power wireless transmitters and transceivers. Freescale’s... More

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Motor-Drive Module Includes CANopen Interface and Programming Language

The small PIM3605 module from Technosoft caught my eye because it lets engineers control brushless-DC, brushed-DC, linear, or step motors at continuous powers as high as 180W (36V at , 5A), or 600W peak. The module supports the CAN in Automation (CiA) standards DS-301 and DSP402 for CANopen, which makes the module suitable for applications that communicate over a controller-area network (CAN)... More

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Old Mechanisms Deserve New Attention

One of our cats got a bit too chunky for her health, so I thought seriously about building a small treadmill to give our feline friend some exercise. People have used treadmills for thousands of years and you can find a short video of a recent cat treadmill at: www.videovat.com/videos/2606/cat-treadmill.aspx . What’s old in new. It looks like the cat gets a “treat” every... More

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How Long is a Jobber-Length Drill Bit?

Browse through a machine-tool catalog and you’ll find many sets of jobber-length drill bits. I’ve often wondered what jobber-length meant and after seeing yet another flyer from Travers or Enco , I decided to find out. Although you can find many mentions of jobber-length bits, it’s difficult to locate a clear definition. The Wikipedia defines jobber-length bits as... More

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Evaluate and Test Power-Factor Correction Needs

Electronic and electromechanical equipment often uses switch-mode power supplies, motors, and other devices that “appear” as non-resistive loads to power-company generators that produce a sinusoidal voltage. These “reactive-load” devices often require power-factor correction, whereas purely resistive loads such as incandescent lamps, steam irons, and electric... More
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