News & Updates
High-speed PCBs often require tuning groups of tracks, both single and differential. Altium Designer includes powerful tools that allow you to solve such tasks quickly and with high quality. Study this document and achieve the desired result even faster.
One of the most difficult and frustrating things to arise when traveling to a foreign country is the language barrier. Communicating a simple greeting can sometimes seem like a big hassle. The same thing is true for different CAD tools. When your tools aren’t speaking the same language, you’re going to run into problems. Bridge this gap by building out your component libraries with everything it takes to truly define a component, including 3D models that seamlessly propagate into the PCB editor and beyond.
There is one confusion related to impedance matching that comes up again and again, and it appears to be a fundamental confusion between reflection and power delivery. This leads to an apparent contradiction that arises when we try to generalize power delivery to wave reflection, despite the fact that the two were not meant to be related.
Routing is one of the most time-consuming stages of PCB design. Altium Designer has a large set of tools that allow you to do it as accurately and quickly as possible. This document will help you to learn how to manage your routing effectively and use it to its fullest extent.
RF systems operate with specific impedance values across entire interconnects, including on PCBs. Not all RF components are packaged in integrated circuits with defined impedances, so impedance matching circuits and line sections are needed to ensure signal transmission between different sections of an interconnect. One of these impedance matching techniques is the quarter-wave impedance transformer, which can be implemented as a printed trace with specific impedance.
We are happy to announce that the Altium Designer 22.10 update is now available. Altium Designer 22.10 continues to focus on improving the user experience, as well as performance and stability of the software, based on feedback from our users. Check out the key new features in the What's New section on the left side of this window!
A staff member at a PCB manufacturer once explained to me that they thought we were having an issue with a package warping. Unfortunately, component warping can occur both in a PCB and in components. In this article, we'll give an overview of warpage in a PCB, specifically in the circuit board and in the components.
Working with local libraries seems like a simple solution, but we often don’t take into account the added time spent maintaining libraries and sharing them between team members. There is no good way to avoid duplicate efforts with component creation and no standardization to ensure consistent naming. Worst of all, there is no way to identify the latest component revision, and library files can be easily corrupted or misplaced. This webinar showcases the advantages of component storage in Аltium 365 to resolve the issues of local libraries and component management.
If you're designing a wireless IoT device, and you know how to calculate the link budget, you can reasonably estimate whether your signal will reach its destination and be read by the receiver. To calculate the link budget, the designer needs to know something about all other sources of gain and loss in the system. Once link budget is determined, the designer can judge whether some modification is needed in their RF signal chain.
SMD components require precisely sized pads for soldering during assembly. The designer is responsible for ensuring pad sizes are correct, either by calculating them and comparing with footprint data, looking through datasheets, or by memorizing SMD pad size standards. If you have a component and you don't have access to the footprint, and you decide to biuld the footprint yourself, what resources are available to ensure you have the correct pad size?
Before we get too deep into this article, I’ll give you the simple answer. You probably can’t fix warping in your PCB after it’s already been fabricated. You can prevent an unwarped board from becoming warped during assembly, but only as long as materials were selected properly and the board is put into reflow correctly. We’ll run over some of these points in this article, and I’ll examine some points that might help you recover a warped board.
RF structures can be complicated to design and layout, particularly because many RF systems lead double lives as digital systems. Getting an analog signal out of a component and into a waveguide for high isolation routing is not so simple as placing a microstrip or stripline coming off your source component. Instead, you need to create a special microstrip to waveguide transition structure to ensure strong coupling into and out of your waveguide.
Layouts for complex electrical systems may need to make extensive use of copper pour to provide ground nets, power nets, shielding, and other copper structures for power and signal integrity. Backplanes, motherboards, RF products, and many other complex layouts will make use of copper pour and polygons that can’t be easily placed as custom components. The rules-driven design engine in Altium Designer® also ensures that any PCB polygon pour you place in your PCB layout will comply with clearance rules and will be checked against other electrical design rules.
If you need to connect multiple boards into a larger system and provide interconnections between them, you’ll likely use a backplane to arrange these boards. Backplanes are advanced boards that borrow some elements from high speed design, mechanical design, high voltage/high current design, and even RF design. They carry their own set of standards that go beyond the reliability requirements in IPC.
The upcoming Gen6 version of PCIe is pushing the limits of signal integrity for many computer systems designers. As with any high-speed signaling standard, signal integrity is a major design consideration, which requires the right set of design and analysis techniques. Rather than digging deep to find PCIe 5.0 signal integrity requirements from PCI-SIG, we’ve compiled the important points for today’s PCB layout engineers. Layout engineers should pay attention here as these design requirements will become more stringent in later PCIe generations.
An essential aspect of project management is time management, especially when your design team is working remotely. Your time management strategy is team-based and individual, but time can easily get spent on important tasks when working as part of a team. So how can you streamline important collaboration tasks for your design team to increase productivity?
In these days of easily-available internet and quarantines, everyone is working remotely. It’s nice being able to spend time with family and regain control over your schedule, but keeping track of projects and revisions while securing user access feels like its own job. With the right set of project and data management tools, you can easily share your data with collaborators without tracking email chains.
When I started using my Altium 365 Workspace for collaboration, I found I could make things run more smoothly when I kept things organized. However, I prevented any issues thanks to all the organization tools built into the Explorer panel within Altium Designer. Let’s take a look at how you can get the most value out of your Altium 365 Workspace in terms of organization and access management.
PCB manufacturing is competitive, and there is plenty of worldwide manufacturing capacity for new boards. If you’re looking for a manufacturer for your next project, it can be difficult to determine who is the best option to produce your board. Different fabricators and assemblers offer different levels of service, different capabilities, and access to different processes and materials. There are a lot of options to consider when selecting a manufacturer for your project.
Ever since I started using Github and Google Docs, I fell in love with revision control. Instead of keeping multiple copies of essential files and time-stamping every revision, revision tracking information gets stored alongside the file. This environment works great for code, spreadsheets, and documents, and Altium brings these same features into PCB design.
With advances in industrial automation, automotive technology, remote sensing, and much more, image processing is taking center stage in many embedded systems. Image processing with older video systems was difficult or impossible due to the low quality of many imaging systems with perpetual uptime. Newer systems provide video with higher frame rates and higher resolution images, but these systems still needed to connect directly to a computer in order to enable any useful image processing applications.
EDA tools have come a long way since the advent of personal computing. Now advanced routing features like auto-routers, interactive routing, length tuning, and pin-swapping are helping designers stay productive, especially as device and trace densities increase. Routing is normally restricted to 45-degree or right-angle turns with typical layout and routing tools, but more advanced PCB design software allows users to route at any angle they like. So which routing style should you use, and what are the advantages of any angle routing?
If you do a search for “Hardware-in-the-Loop” testing, you will frequently find examples of complex, real-time systems. Article from National Instruments, for example, gives a nice explanation and background on what hardware-in-the-loop (HIL) is, and provides an example of testing electronic control units within an automobile. In this article, we will be focusing on a smaller, more bite-sized version of HIL testing concepts.
If you’re an antenna designer, then you’re likely familiar with all aspects of near-field vs. far-field radiation. Given the litany of radiated EMI problems that cause noise within and outside of an electronic device, one might suddenly realize their new product is acting like a strong antenna. To understand how EMI affects your circuits, it helps to understand exactly how near-field vs. far-field radiation from your PCB affects your ability to pass EMC checks and affects your circuits.
How often have you started down the PCB development process and been bogged down by time-consuming administrative tasks? Once you get ready for production, working through a design review and correcting any DFM problems takes its own share of time. With hastening product development timelines and shorter product life cycles comes the pressure to increase PCB prototype iteration speed without sacrificing cost or quality. So how can PCB design teams keep their development schedules on track without sacrificing quality or risking a failed prototyping run?
A journey of a thousand miles begins with a single step, or so the aphorism goes. I think it’s worth noting that the first step is the most difficult to take. Analysis Paralysis is especially true when dealing with a new software package, including the recent release of Concord Pro. The recent version has brought with it a deluge of interest and enthusiasm in such a phenomenal tool. But I must say, Altium hit this one out of the park.
When you need to pass EMC certification and your new product is being crippled by a mysterious source of EMI, you’ll probably start considering a complete product redesign. Your stackup, trace geometry, and component arrangement are good places to start, but there might be more you can do to suppress specific sources of EMI. There are many different types of EMI filters that you can easily place in your design, and that will help suppress EMI in a variety of frequency ranges.