Category Archives: RF/Wireless

Weightless Weighs In

Posted on March 30, 2013 by John Donovan

Now that PCs are old news and seemingly everyone on earth has a cell phone, the Next Big Thing promises to be machine-to-machine (M2M) communication, giving rise to the Internet of Things (IoT)—presumably a parallel universe to the Internet of … Continue reading →

Posted in ARM, RF/Wireless, semiconductors, Spectrum, Wireless | Leave a comment

802.11 to the nth Degree

Posted on January 26, 2012 by John Donovan

It seems like every major wireless protocol is coming out with a variant that can make it under the low-power limbo bar. Bluetooth has spawned Bluetooth Low Energy and ZigBee now has a low-power healthcare profile. Not to be outdone, … Continue reading →

Posted in RF/Wireless, semiconductors | Tagged , | Leave a comment

Narrowbanding

Posted on February 19, 2010 by John Donovan

A fellow ham operator who, like me, is involved in emergency communications, forward an article that Glen Bischoff of Urgent Communications magazine just published titled What to Do About Narrowbanding? I’ve been too focused on short-range wireless to have followed … Continue reading →

Posted in FCC, Regulatory issues, RF/Wireless | Tagged , , , | Leave a comment

The RF Challenge in Portable Designs

Posted on July 21, 2009 by John Donovan

In simpler times most designs were digital. Add a few converters to handle I/O and you could ship the product. Consumer electronics—and cell phones in particular—changed all that. Now there are few consumer designs that don’t involve a large analog/mixed-signal … Continue reading →

Posted in Embedded, Handsets, RF/Wireless | Tagged , , , , | Leave a comment