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Technology
Long Range WiFi for Remote Sensors and Connectivity
If you need to have network access from sensors which need more than a little bandwidth, cellular can get quite expensive. There are quite a few long-range wireless systems that are targeted towards sensors, however, trade bandwidth for range. If you need to stream video, send pictures, or have a constant stream of data from a range of sensors these wireless links might not be suitable. WiFi has rather limited range by comparison but does have
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PCB FR-4 Materials Are Not All The Same
In the PCB industry, “FR-4”.is a common designation for laminate materials. To a certain extent, FR-4 as a specific type of laminate is one of the many myths promulgated throughout the industry. This blog will address the history the term FR-4, what it really means, the various quantifiers associated with it, and the characteristic issues of concern when selecting design-specific laminates. The Origins of FR-4 If you research FR-4 as a term
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IPv6 and the Internet of Things
For a while now we’ve been told that IPv4 addresses (you know, the network addresses that look like 192.168.1.1) are running out. and, approximately three decades from now, there aren’t going to be enough of them left to go around. While we have reached the point of IPv4 being fully allocated at a high level, it's still easy to buy or lease IP addresses in any region, and ISPs are not turning down new customers because they cannot allocate them
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Passive Intermodulation in PCBs for 5G Systems
5G networks are coming. Are your PCBs ready? Anyone pays attention to the top bar on their phone has noticed the 4G indicator. If you use a major wireless carrier in the U.S., you’ll likely see 5G in the top bar once you buy your next smartphone. 5G systems designers, especially PCB designers, will need to work with higher frequencies, faster data rates, lower power budgets, and plenty of other performance requirements. Nonlinearity will also
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Why PCB Prototyping in the U.S. is a Crucial Element For Success
Within today’s global design and manufacturing environment, moving PCB manufacturing offshore is our industry’s de facto product development process. Many believe that PCB prototyping could and should be moved offshore to take advantage of the rising skill and capability levels of the offshore resources in Taiwan, China and Korea. This has led to a crisis in the U.S. PCB prototyping industry. U.S.-based companies find it difficult to stay in
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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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