• Unintended Oscillations and Interference Problems

      Avoiding extra functionality in your circuits A common saying among electrical engineers is that if you want an oscillator, try building an amplifier. This is all too often accurate, and unwanted oscillations i...
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  • Improving ACPR Measurements with the Tukey Window

      Making other windows seem a little wasteful A proverb that’s perhaps 2,000 years old describes the mills of the gods as “grinding slowly but exceedingly fine.” I’d like to flatter myself...
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  • It’s RF interference again…

      The case of the troublesome garage door opener   Note from Ben: This is the first in a series of guest posts from Jennifer Stark of Keysight. As discussed here earlier, our increasingly crowded RF environ...
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  • Loose Nut Danger

    Originally posted Jan 27, 2013   Lurking on your workbench Some hazards come from unexpected directions and find ways to bypass safety measures.  One example is mechanical connector damage to high frequency...
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  • Vexing Connections

    Originally posted Feb 1, 2016   RF sins that may not be your fault   Many years ago, I knew an engineer who used to chuckle when he used the term “compromising emanations” to describe unintenti...
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  • Today’s R&D Comparison: RF Engineering and Rocket Fuel

    Originally posted Dec 3, 2015   An engineering field where the products you’re designing are constantly trying to kill you The holiday season is here and it’s been a while since I have wandered off t...
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  • “I Have Two of Those and They’re Both Broken”

    Originally posted Sept 10, 2015   K connectors, microwave measurements and careful plumbing Over the years, I’ve heard several engineers speculate on alternative lives as plumbers. It’s a career that...
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  • Cringe-Worthy Wireless: Industry and Personal History

    Originally posted Jul 1, 2015   Admirable explanations and embarrassing memories On a recent long-distance drive across western states, we encountered lightning and its usual transient interference across the AM...
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  • Spectrum and Network Measurements: A non-eBook

    Originally posted Dec 10, 2014   What is the role of a physical book in an electronic world?   I recently got a copy of the newest edition of Spectrum and Network Measurements by Bob Witte. This is the sec...
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  • Mating Habits of Microwave and Millimeter Connectors

    Originally posted Oct 21, 2014   The tiny ones and the giants Even if you have especially good eyes—and I do not—it can be difficult to identify the various connector types found on the bench of the ...
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  • Torque for Microwave & Millimeter Connections: Easy and Important

    Originally posted Nov 22, 2013   Straightforward advice and a trick question Well, it’s more of a tricky question than a trick question. The answer is an interesting and useful fact and we’ll get to ...
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  • Male Front-Panel Connectors on Millimeter-Frequency Instruments: Why?

    Originally posted Sept 17, 2013   As your parents used to say, “It’s for your own good” Most engineers enjoy a good puzzle and we’ve all encountered a device or technique that makes us sc...
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