Baseball Hall of Famer Yogi Berra was notable for his skill on the field and was equally notable for many of his quotes. “Yogi-isms” were things he often said that were both amusing and insightful. Referring to a popular restaurant, he said, “Nobody goes there anymore; it’s too crowded.” Sounds like a contradiction, but it’s easy to follow his meaning. Customers chose not to … [Read more...]
Drag Races, a Cashless Society, and the Threat of EMP
About a month ago, my 12-year-old son and I made his first-ever trip to the NHRA Drag Races near our home. It’s something that I always did with my dad, and I have looked forward to taking him ever since he was born. It’s a typical father-and-son day, wrought with loud, fast cars, terrible food, and the occasional waft of nitromethane fuel in the air. The drive is about … [Read more...]
Static Control Resilient Flooring Qualification Procedures Ensure Space and Defense ESD Compliance Pt. 2
This article is the second and final part of Static Control Resilient Flooring Qualification Procedures Ensure Space and Defense ESD Compliance. Read Part 1 here. ANSI/ESD STM97.2 This critical standard test method attests to the static control resilient flooring’s ability to minimize charge buildup and provides the user with traceable data to assign a voltage flooring … [Read more...]
When Do You Need Low-Dk PCB Laminates?
Designers looking to build more advanced systems operating at higher data rates and bandwidths tend to rely on materials with low dielectric constant values, i.e., low-Dk materials. It has gotten to the point where every high-speed PCB design guide implies that high-speed and RF designs will not function without a low-Dk material like Rogers or Arlon. The reality is that … [Read more...]
Exodus 18.0-26.5GHz, 400-Watt SSPA, Another Industry First!
Exodus Advanced Communications' 18.0-26.5GHz, 400W Solid State Amp is another industry first! Designed for High Field Level EMC Testing, MIL-STD-461 (RS103) standards as well as other High-Power Applications, Exodus Model AMP4065LC-400 provides outstanding power/gain flatness, Forward/Reflected power monitoring in both dBm & Watts, VSWR, voltage/current and temperature … [Read more...]
Static Control Resilient Flooring Qualification Procedures Ensure Space and Defense ESD Compliance Pt. 1
Due to the rapid densification of ESD sensitive devices (ESDS), static control resilient flooring (ESD flooring) has found its way into FAA towers, operating room theatres, MRI/CT scan flooring areas, aircraft terminals, IT data centers, Navy ships, space & defense flight lines, call centers, medical device manufacturing, pharmaceutical delivery and the … [Read more...]
Guide to Real-Time Spectrum Analyzers: Definitions
This is Part 2 in a series of articles which review the basics of conventional swept versus real-time spectrum analyzers and highlight some of the recent advances and instrument form-factors. Read Part 1, Guide to Real-Time Spectrum Analyzers: Types, here. Introduction There are several terms that are important when evaluating real-time spectrum analyzers. Some of these … [Read more...]
Millimeter Wave Applications and Promise
Imagine a radio frequency wavelength about the thickness of your pinky nail. This is a new area for technology applications. A growing area in spectrum development is exploding. For many decades, very high frequencies (millimeter waves) have been the playground of radio-astronomers to image our solar system, stars, and galaxies. This space is “new” fertile ground for sensing … [Read more...]
Design for Compliance Essentials
INTRODUCTION While unrealistic to discuss all aspects of product design in a single article, I’ll try to describe the most common design issues I find in the hundreds of client products I’ve had a chance to work on. These issues generally include PC board design, cables, shielding, and filtering. More detailed information may be found in the Reference section below. As … [Read more...]
Filter Installation Issues Pt. 3: Mounting and More
This article is the 3rd and final part of a three-part Filter Installation Issues series. Read Part 1: Input and Output Conductors here. Read Part 2: The Synergy of Filtering and Shielding here. There are now many suppliers of PCB-mounted shielding-cans that can be used with three-terminal filters, and they have many types that can be automatically assembled like any … [Read more...]
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