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Power Integrity
Browse our library of resources to learn more about pcb design and power integrity.
Getting Started With PDN Analyzer
PDN Analyzer for DC Power Integrity
PDN Design for the PCB Designer
Length Matching for High-speed Signals: Trombone, Accordion, and Sawtooth Tuning
Length matching for high-speed signals is all about synchronization... Once upon a time, length matching for high-speed signals required a designer with enough skill to remain productive when manually applying different trace length turning schemes. Now, with the advanced interactive routing features in modern PCB design tools, designers no longer need to manually length tune every trace in their layout. The remaining choice for a designer is
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Never Cross a Ground Plane Gap in High Speed PCB Design
Make sure none of these traces crosses a ground plane gap I often browse electronics and PCB forums, and I see the same question asked over and over: Why shouldn’t I route a trace over a split in my ground plane? This question gets asked by everyone from makers to professional designers who are just dipping their toes into high speed PCB design. For the professional signal integrity engineer, the answer should be obvious. Whether you’re a long
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The Role of a Decoupling, Inductors, and Resistance in a PDN
What is the role of a RF decoupling capacitor? Do I need a decoupling circuit for my PCB? Some designers might overlook the role of a decoupling, inductance, and resistance when designing their power distribution network.
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Decoupling Capacitor Calculations: What Size Should You Use For Digital ICs?
Are these decoupling capacitors sized properly? Something that comes up repeatedly in PCB design guidelines, including high speed digital design "gurus", is the need to find the proper decoupling capacitor size. This is sometimes addressed without a full understanding of what these caps are supposed to do in a PDN or their role in ensuring power integrity. I've also seen many application notes that default to the decades-old guideline of placing
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Embedded System Power Supply Guidelines for Power Integrity
This system will require its own power supply and regulation Embedded systems that require a significant amount of processing power and that need to interface with analog components require important embedded system power supply guidelines in order to ensure power and signal integrity. Whether you design your own external power supply, or embed a power supply directly alongside your board, you’ll need to follow some important power integrity
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Datasheet Reliability with Ben Jordan
In this OnTrack episode Judy Warner and Ben Jordan discuss about Datasheet Reliability. Can you trust them? And what does “Gilded” mean? This & more about verifying app notes. Watch the full episode.
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Power Integrity Analysis for Your Power Delivery Network
Designing PCBs to have stable power output is as much an art as it is a science. Power integrity analysis and simulation is all about verifying a design will deliver the required power, but also that the delivered power will be stable. This idea that a power supply might not deliver stable power is not necessarily related to the power supply, it's related to the design of the PDN on the PCB. The structure of a PCB, the elements used to store and
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Bolt: Part Venture Capitalist, Part Engineering Team and Pure Awesome
How can an engineering team & venture capitalist like Bolt can help startups get off the ground, and get product to market? Watch and learn in this episode with Tyler Mincey VP of Engineering at Bolt.
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PCB Design Tips for SRAM Users: How to Prevent Data Loss
SRAM loses its data when power is removed. One of the best inventions in editing software is the autosave feature, which prevents Murphy’s Law from striking at the worst time. Decades ago, I nearly cried when several pages of an important university assignment were literally wiped out, as the non-existence of the autosave feature was made worse by my reluctance to hit the ‘Save’ button. In electronics, you risk losing the entire data stored in a
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When Trace Resistance Trumps Trace Impedance
Unless you have a photographic memory, you probably don’t have every single design formula memorized. It’s understandable; looking throughout the compendium of knowledge in physics and engineering, there are far too many formulas for any one person to memorize. Thankfully, some folks have created useful calculators that help you save time when designing a new system. The resistance and impedance of traces in your PCB have major impacts on power
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22:01
Introduction To PDN Analyzer Webinar
Power Delivery Network (PDN) Design Issues Low supply voltage at load components A low supply voltage at your loads
Watch Video
Coupled Versus Uncoupled Inductors: Which is Right for Your Switching Power Supply?
I recently took a deep dive into the various types of topologies surrounding switching power supplies. This article examined the benefits and downfalls of some of the most common topologies and aimed to assist you in the process of choosing how to power your design. The SEPIC topology is a very common switching mode power supply that can operate as both a Buck and a Boost converter. In other words, the SEPIC can act as a step-down (Buck converter
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Smart Self-Check Process to Optimize Power-Up for Embedded Systems
I’ve been obsessed with morning routines ever since I started sending my son to kindergarten in the morning. From making breakfast to ensuring that his schoolbag is properly packed, I rarely mess up, except for a rare occasion where I forgot to place his water bottle in his bag. Despite the rarity of that occurrence, my son wasn’t impressed with my forgetfulness even though I promised it wouldn’t happen again. Now, when checking through his
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Managing Your Audio Power Supply Designs: Tips for Circuit Design
As I get older, I suspect I’m gradually getting deafer. My hearing was pretty sharp during my teenage years but these days, I miss out on conversations and need to frequently ask people to repeat themselves. Perhaps my hearing ability is deteriorating due to age; however, when I hear static noise creeping out of an amplifier, I know to trust my ears. In electronics, the power supply of audio circuits can mean the difference between perfect audio
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Introduction To PDN Analyzer Webinar Recap May 10, 2018
If you joined us for the May 10th, 2018, PDN Analyzer
™
webinar then the following will be a recap, if not here’s what you missed. You can also view the presentation slides and recording. Key Takeaways about PDN Power Delivery Network () Design Issues Low supply voltage at load components. A low supply voltage at your loads can cause issues like processors outputting faulty logic. These things happen when there is an unexpected voltage drop
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DC Power Supply Protection from Unexpected Damage and Inconvenience
When it comes to parenting, I might not be the best role model. This isn’t because I don’t take good care of my only son; it’s because I’m the stereotypical overprotective dad. I fuss over tiny bruises and rush for a digital thermometer at the slightest hint of a fever. Unable to stop worrying about how my son will adapt and get along with other preschoolers, I even become an occasional nuisance at his nursery. Over time, I’m starting to realize
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Tips for Minimizing Power Consumption in Your Embedded System
For years, I always forgot to turn off the lights and fans at my house. Despite initially denying that constantly using these appliances significantly increased my electricity usage, I eventually broke my bad habit and began turning off every little switch. After all, being more prudent about my electricity usage reduces my monthly bills and promotes a greener earth. Unfortunately, minimizing system power consumption in an embedded system
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