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Technology
A Retro-Computing Christmas
Sinclair 48K ZX Spectrum computer (1982) (Image source: Bill Bertram/Wikipedia) It's starting to look a lot like (a retro-computing) Christmas. I understand why many younger readers cannot imagine a world before today's incredibly powerful computing and gaming systems with their high-resolution graphics subsystems. We all enjoy these systems, but those of us who are more... let's say "seasoned"… remember the raw excitement we felt just to own any
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Geeky Holiday Gift Ideas
The holiday season is coming! I asked both the Altium community and my Altium Library community what geek gifts they are looking for, and I’ve added some of my own for the first ever Altium Geek Gift Guide! This is mostly for electronics geeks, but there should be something for everyone! There are so many amazing geek gifts out there it would be impossible to cover them all, so I’ve tried to keep to community suggestions. I then added just a few
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WifiWall Technology Protects Against Cyberattacks
Do you travel a lot? If so, do you use your smartphone, tablet, or notepad computer in airports or hotels? Even if you aren't a road warrior, do you use any of the aforementioned devices in public places like coffee bars? WiFiWall 5.0 Traveler (Image source: WiFiWall.com) In my case, I would answer with a resounding "Yes" to all the above. Of course, just about everyone these days knows that public Wi-Fi is subject to nefarious folks mounting all
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Python and CodeBots Dragging Students into STEAM
CodeBot. Image source: Firia Labs I have a friend. It's true. I'm not joking. Settle down. Look -- I'm not going to continue until you cease squirming in your seat and stop giggling. That's better. Now, if you're quite finished, we'll continue. We'll call my friend David (because that's his name). David is one of the cleverest guys I know. He has a size-16 brain -- the type with the go-faster stripes painted down the side. He has expertise with
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Electronics System-Level Circuit Engineering Design in Altium Designer
Electronics system level design lets you focus on functionality and abstraction The day-to-day life of a PCB layout engineer is all about translating schematics into a real, manufacturable PCB. Before this can happen, designs begin at an abstract level that focuses on designing functionality. As the overall design process progresses, design requirements are made more granular, reaching the signal processing level and, eventually, the component
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Pulsed Laser Diode Driver Circuit Layout for Lidar
As part of the sensor suite for autonomous vehicles, lidar range maps play an important role in object identification in the surrounding environment, alongside car radar and other sensors or imaging systems. Building a functional driver circuit with small form factor and sleek packaging is critical for enabling lidar imaging/rangefinding around a self-driving vehicle. These same circuits can be adapted to other lidar applications, such as
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Injectsense Real-Time Eye Pressure Monitoring
A prototype of Injectsense's wireless silicon sensor module next to a grain of rice and a quarter (Image source: Injectsense) A little over a year ago, I noticed that things sometimes got a little blurry while I was looking at my computer screen. My cousin Graham in England has macular degeneration, which has left him almost totally without sight. I have to admit that the thought this might happen to me was lurking in the back of my mind, so I
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Advanced Electronics: Understanding Design Challenges For Space Applications Part 2
In the previous article we saw that when a particle that hits a BJT with enough energy, part of this energy may get absorbed by the component and may create unwanted current between the emitter and the collector. If this issue is neglected, we may have some malfunctions. This phenomenon is called SEE (Single Event Effect). It is the responsibility of the designer to design the board in a way that will be SEE tolerant. As I wrote in the previous
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RF Signal Chain Design for FMCW Chirped Radar Systems
If you could hear the output from your chirped radar system, it might sound like a brahminy starling In automotive and UAV radar applications, radar signals are amplified throughout the signal chain. Amplification is critical for ensuring the reflected signal can be accurately detected and for maximizing the range and resolution of your radar system. Although there are some ICs that integrate an entire signal chain into a single package, these
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RF Power Amplifier Impedance Matching at Microwave and mmWave Frequencies
According to MarketWatch , the overall market for RF amplifiers is expected to surpass $27 billion by 2023. So where are all of these RF amplifiers expected to be used? You can thank 5G and the expansion of cellular networks in general for a healthy portion of the expected growth. For the PCB designers out there, RF amplifier impedance matching becomes an important design point, especially with high power amplifiers. Large-signal RF Amplifier
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Get Inspired by Major League Hacking with Jonathan Gottfried
Jonathan Gottfried, Developer Evangelist at Twilio Inc., talks ‘Major League Hacking’ on the Altium Ontrack Podcast. Learn how MLH is influencing the next generation of engineers the world over.
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Bob Martin Goes From Prototype to Production with an Arduino Board
How to go from prototype to production seamlessly? Listen or Watch today's OnTrack podcast with Bob Martin The Wizard of Make. He will share some info about his keynote at AltiumLive 2019 in San Diego
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77 GHz Radar for Automotive Radar PCBs: Routing and Signal Integrity
Technology moves quickly these days, and automotive radar has transferred from primarily operating near a 24 GHz to a 77 GHz wavelength shortly after its introduction into new vehicles for object detection. Recent regulation changes have allowed the transition to 77 GHz, which provides a number of benefits. Shorter wavelengths facilitate wider bandwidths, and provide better resolution, smaller device form factors, and longer range. This band just
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Automotive Telematics Systems Design
In 2015, the cost of the electronics in a new car surpassed the cost of raw steel for the first time in history. We shouldn’t be surprised; the increasing number of electronic systems placed in cars over time made this change in cost structure inevitable. As cars become more autonomous, more connected, and include more creature comforts, this trend is only going to continue. After the OnStar system was popularized by General Motors in the 1990s
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Mike Buetow on PCB West
Free Expo pass and more. Mike Buetow shares details about the upcoming PCB West in Santa Clara on September 9 to 12. Watch this OnTrack Episode for complete event details.
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Mark Forbes on the Evolution of Chip Technology and Origin Stories -
Learn and be inspired from the history of Integrated Circuit's development. Watch this OnTrack Podcast episode and discover how history can impact your PCB design career today and everyday.
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Automotive Software Engineering: The Race to Hire Embedded Software Engineers
Embedded software engineers will take a new place of prominence in the automotive industry The current economic climate in the US is humming along and has been primarily driven by growth in the tech sector. Everything from consumer electronics, SaaS, and advanced manufacturing are helping drive growth. The electronics portion of the automotive industry is not typically seen as sitting at the cutting edge of new technology, until you look to the
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