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Technology
PCIe Card Guides: BGA Fanouts and Escape Routing
With all the chips that appear on a PCI or PCIe card, laying out and routing these boards might seem extremely complicated. However, the standardized architecture of PCIe provides considerable flexibility for designers. One issue that is a bit complicated is PCIe BGA fanouts for components on these cards. The trick to implementing a fanout and escape routing strategy is ensuring that you comply with the PCIe layout and routing specifications
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The Essential Tools You Need for PCB Design
Whether you’re building a house or building a PCB, you need the right tools in your toolbox. Every designer needs to have CAD tools for component placement, but even command line-based CAD software can be used for accurate component placement. With modern electronic devices becoming more complex at all levels, designers need tools that help expedite essential design tasks. Choosing the right set of PCB design tools requires weighing a number of
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LVDS PCB Layout Guidelines for Ensuring Signal Integrity
When you first get started in high-speed PCB design, you'll spend a lot of time encountering and understanding an alphabet soup of acronyms. MIPI, USB, PCIe interface, SATA PCB layout... the list of acronyms used to name high-speed digital interfaces is long. Low-voltage differential signaling (LVDS) is an older interface that was standardized for differential data transfer at high speeds, but it remains in use today for a variety of imaging and
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Routing Topology Configuration in PCB Design for Power, Data, and Peripherals
Which PCB routing topology matches with which technologies? Take a look at this article to learn more.
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Selecting FR4 Alternatives of PCB Substrate Materials for Multilayer Boards
You don’t have to settle for FR4 for your next multilayer PCB. Read more on selecting other PCB substrate materials.
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All About CMOS, ECL, and TTL Propagation Delay in High Speed PCBs
I still remember the 386 hand-me-down computer my parents gave me as a kid. It was useful for writing simple QBasic programs and spending hours playing computer games, but the computers of today leave my old 386 PC in the dust. With further development of computer architecture and the demands of more modern devices, the propagation delay in logic circuits becomes an important design parameter in a number of systems. In particular, TTL propagation
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Deep Space Gas Stations Prepare for In-Space Market
One of our favorite things to do here at Altium is to support entrepreneurs and their innovative startup companies by equipping them with our PCB design tools. Orbit Fab is one such company. In this article, partners Daniel Faber and Jeremy Schiel share their vision for the future of space and the critical need for satellite fueling stations. With help from our partners at Bolt, a technology accelerator, Orbit Fab has developed a preliminary
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Go to Market Fast With Bolt’s In-House Engineering Team and Accelerators
Recently we had the opportunity to get to know Tyler Mincey , the VP of Engineering at Bolt which is a hardware and software accelerator with offices in San Francisco and Boston. In this interview, we talk with Mincey about his passion for engineering and the incredible work being accomplished at Bolt. Their unique model of providing venture capital along with an in-house engineering team continues to fuel a growing portfolio. Bolt is part of
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Tips for High Frequency PCB Design in Embedded Systems
Today's high-speed embedded systems incorporate diverse functionality, components, digital interfaces, and of course, wireless/RF signaling. If you're designing embedded systems with any level of computing power that also includes an analog front end, then you have multiple mixed-signal design challenges to overcome. Whether it's a simple sub-1 GHz radio connection, Wifi/BLE, or multi-gigabit Ethernet, embedded systems need some way to interface
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SAP and mSAP in Flexible Circuit Fabrication
Question: What is SAP and mSAP? This is an excellent question. These acronyms are getting a lot of attention lately and are relatively new acronyms for the PCB industry, which ironically is infamous for using them. SAP and mSAP are not new terms to the electronics industry, they are common processes in IC substrate fabrication, but these are processes that are emerging technology in the PCB fabrication segment. After saying this is new technology
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Coverlay Type Driven by Installation and End Use Requirements
Question: Should I use polyimide coverlay, or flexible solder mask? The fundamental purpose of either flexible solder stop mask or polyimide coverlay is no different than rigid solder mask. It is needed to encapsulate and protect the external circuit layers. But, when moving to a flexible circuit design the bending, folding and flexing requirements of the circuit in assembly and end use most often dictate which materials are recommended to
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What You Need to Know About Choosing Embedded Modems for IoT
IoT enables you to control devices over the internet. If you grew up in an era where the Internet existed without Google, you may be as amazed as I am to see how far technology has evolved. It would have been beyond my wildest imagination to think about machines conversing intelligently on the Internet without much human intervention. Back when I was introduced to the online world, it took several minutes to simply load a single page of sports
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What is Carry Propagation Delay in High Speed Data Processing?
I sometimes get into text message conversations with friends that go completely haywire. It’s too easy to ask five questions back and forth in a single text, and trying to respond to everything causes our message chain to go completely out of sync. It isn’t until three text messages later that I actually respond to everything my friend asked, and by then we’ve moved on to a completely new topic. Signal delay between logic circuits in a PCB or an
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PCB Manufacturing Tolerances: Adding Fabrication Tolerance Options to Your Manufacturer Deliverables
Much as we would like, no manufacturing process is perfect. Every process produces slight errors in part sizes or placement, and PCBs are no different. Since some PCB applications have very tight tolerances, you’ll need to specify your tolerance requirements for your manufacturer. Let alone maintaining secure understandings of solder mask and solder placement, material thickness specifications, or any surface mount components - designating your
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2019 Five Tech Predictions — The Decade of Disruption
We’re coming in for a wild ride in 2019. The last few years have been pretty crazy, and 2019 looks to continue to amplify this highly innovative and disruptive trend. While some may be nervous about trends in technology such as artificial intelligence, I'm still quite optimistic. The most long-term successful aspects of our civilization are those that rip apart on a regular basis. Frequent disruption allows for people to start anew and create
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What is SRAM? PCB Design Tips and 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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Technological Development Made Easy as Pie with Historical Altium Designer
Some words constantly pop-up in daily conversation. Think about how often the word “easy” is used, whether in a bumper sticker that says, “Easy Does It” or a childhood favorite, Easy Bake Ovens. We tell people to “take it easy” and refer to New Orleans as the “Big Easy.” I’m reasonably certain that a guide or book somewhere out there proclaims the “12 Easy Steps to Becoming a Nuclear Scientist.” In a 1940s film called “The Long Voyage Home,” a
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