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PCB Design
Sandman Doppler: Design Isn’t Easy
The Sandman Doppler Alexa-enabled alarm clock (Image source: Palo Alto Innovation) The fact that design isn’t easy may not strike experienced engineers as being hot news, but younger members of our profession may not have seen the memo. Even something that sounds simple, like an alarm clock, can pose unexpected challenges. I know whereof I speak, because I've been waiting to take delivery of my new alarm clock for more than two years as I pen
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21
Trade-In & Trade-Up Flash Sale
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4:52
Connect Tech Customer Testimonial
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Hardware Design for Edge Computing vs. Cloud Computing
The next great developments in IoT products are in edge computing. The term “cloud computing” is now a regular piece of technical vocabulary, and for some time it was viewed as the solution to every data-intensive computing problem. While cloud computing certainly gives many developers a simple way to create value and scale quickly, edge computing is quickly becoming a viable alternative to deploying software applications on the cloud. In fact
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Tricks of the Trade: Signal Integrity Devices
As with any job, Signal Integrity engineers use niche tools. SI tools are often thought of as S-parameter viewers, 3D EM solvers, or measurement equipment. These tools have one thing in common: analysis. What about the devices that SI engineers deploy to make their lives easier? In this article, I’ll discuss three devices to save time and money: multiport test cables, RF switches, and the old RC filter. Multi-port RF Cable Assemblies Today’s high
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Say Hello to the First Space Tow Truck
Artist's impression of MEV-1 (silver) attached to communications satellite (copper) (Image source: Northrop Grumman) Things are moving quickly in space these days (no pun intended). I like to think that I keep my ear to the ground, but I was surprised to discover that Northrop Grumman's Mission Extension Vehicle-1 (MEV-1), whose mission is to essentially act as a space tow truck, successfully launched a week ago. Riding on top of a Russian Proton
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Building the Right Team for Electronics Design: A Deeper Investigation
In Building the Right Team for Electronics Design: An Introduction we discussed the concept of creating a diverse team of people with a diverse set of skills. In today’s market, it is virtually impossible to build a team of homogenous engineers who can deliver from start to finish. Each engineer, possessing unique skill sets, contributes to the sum of parts within the design lifecycle. In this article, we will dive more deeply into the different
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Continuous Deployment: An Implementation Using Altium Designer
In Continuous Integration and Deployment in ECAD we discussed the concept of Continuous Deployment within a build system. In this article, we will take a deeper look at how to set up continuous delivery and deployment systems so your team and vendors can enjoy a continuous stream of updated ECAD packages for review. Continuous Deployment/Delivery: Revisited In Continuous Integration: An Implementation Using Altium Designer we went through the
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Blind And Buried Vias—What Are They And How Are They Used?
As noted in several of my previous articles as well as a large majority of other published documents, component lead pitches have become increasingly fine, and smaller form factor devices have come to dominate a large number of the products (cell phones) being developed today. The question of how to connect components to both sides of these crowded PCBs should be among the first factors taken into account by a product development team. Typically
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Augmented Reality is Poised to Change the World
Imagine 50,000 fans streaming HD video on 5G phones (Image source: pixabay.com) One of the big topics on everyone's lips at the moment is the forthcoming deployment of 5G smartphones and infrastructure. As I wrote in my 5G Meets 50,000 Fans at Super Bowl 2025 column on EEJournal.com, I was idly watching some adverts on television when I saw one showing people streaming video from an American football match. This set me to wondering what the
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Assuring Design Coherence in a PCB
Introduction There is a saying “that it’s not how you start that is important, but rather how you finish.” Which is perfectly ok when you are talking about sports and you get off to a bad start need to recover in the second half. However, when it comes to PCB design, it’s not a very good practice. If things start badly, they usually don’t recover, and it continues down the same path—which ends up costing more money and lost design time. At one
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Concord Pro and Component Creation
Altium Concord Pro
™
as a standalone product and brand name has been discontinued and the capabilities are now available as part of our Altium enterprise solutions. Learn more here . Introduction First off, before I say anything, the more that I have been using Altium Concord Pro
™
, the more I like it. In fact, I love it. Altium has surprised me many times with the quality of the tools they put out. A few examples: Draftsman
®
, ACTIVEBOM
®
or
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Never Underestimate the Power of a Mock-Up
The ability to do a 3D mock-up within your design software, is an invaluable tool that no doubt has prevented countless re-designs and revision changes. This is particularly powerful in the world of flex and rigid flex . When the circuit is intended to be bent, folded, or formed it is very easy to make a mistake with pinouts and orientation. Before the power to model this within the design tool, paper-dolls and mylar cut outs were often used to
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Controlled Impedance Routing - OnTrack Whiteboard Series
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The Newest Advances in EDA: Modular Electronics Design
EDA has come a long way since the 1960’s. Image source: Autodesk Before the birth of EDA, circuit boards and integrated circuits were all designed by hand or some other manual process. The need for more advancement in electronics design made clear the need for automation, a transition which took roughly 10 years and began with drafting in the mid-1970s. The publication of “Introduction to VLSI Systems” by Carver Mead and Lynn Conway in 1980 paved
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What is the Electrical Return Path in a PCB?
One of the fundamental aspects of any circuit diagram is the return current path or electrical return path. In a circuit diagram and a schematic diagram, the path the current follows to return to the low potential side of a power source should be obvious, but it may not be so obvious in a PCB. To quote the great Eric Bogatin at his PCB West 2019 presentation, the distinction between a schematic diagram and a PCB layout lives in the white space of
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Common SMT Defects to Avoid During Soldering
As more designs are using smaller components with surface-mount pads, Surface-mount Technology (SMT) soldering defects can mount and impact yields due to various design and manufacturing problems. These problems may have been minor and had a negligible effect on yields in the past, but they can cause rework costs to mount quickly and should be avoided. Here is a basic SMT defect list you can avoid during design and assembly. Bridging Between Pads
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