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High-Speed PCB Design
Simple solutions to high-speed design challenges
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High-Speed PCB Design
How Are Circuit Boards Made With Altium Designer
Your printed circuit board (PCB) design might be designed to work correctly, but you also need to make sure it can actually be manufactured. Although a PCB manufacturer will fabricate and assemble your circuit boards for you, making sure your designs are manufacturable is about encoding DFM specifications in your design rules. With the rule-driven design features of Altium Designer, you can encode DFM specs into your PCB’s design rules; this
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Look No Further than Altium Designer for the Best PCB Design Software
When it’s time to buy new PCB design software, you only want to buy the best of the best, and you’ll probably look through a PCB design software list to find the tools you need. Open source software carries zero price tag, but it simply isn’t capable of tasks professionals need to perform every day. If you’re considering a new PCB design software package, consider this first. You need all the tools the industry demands, and there is no reason to
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The Best PCB Design Software Features a PCB Trace Width and Impedance Calculator
PCB trace, pad, and via features are some of the most important in your circuit board and need to be carefully designed. The right cross-sectional PCB trace area and distance to the nearest reference plane will ensure your PCB trace impedance is consistent throughout your board. It can also help suppress temperature rise if your board will operate at a high current. Choosing the right trace dimensions in your printed circuit board represents a
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PCB Stackup and Trace Impedance Calculator in Altium Designer
There are many demands placed on PCB stackup design. High-speed designs carry a requirement for controlled impedance, crosstalk control, and the need for interplane capacitance. Impedance in your traces becomes a critical parameter to consider during stackup design for high-speed PCBs, but the stackup will also influence crosstalk susceptibility and sheet capacitance between ground and power planes. While you can work out many of these details by
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The Best High Speed Design Software Tools in Altium Designer
Building your next high-speed PCB takes the best design and analysis tools. Your high-speed design tools should make it easy to route connections, place components, and design your stackup in a way that ensures signal integrity and prevents unintended crosstalk. Your analysis tools should help you identify problem areas in your PCB, and your design tools should help you quickly implement redesigns in your PCB. With the high-speed PCB design
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Routing Differential Microstrip Traces with Controlled Impedance
Differential microstrip routing in high speed PCB design requires careful impedance calculations. Altium Designer incorporates these features into its CAD tools.
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S11 Parameter vs. Return Loss vs. Reflection Coefficient: When Are They the Same?
What is the difference between return loss vs. reflection coefficient and the S11 parameter? We’ve got your answers in this article.
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How Load Capacitance on a Transmission Line Affects Your Signals
If you ever read about transmission lines and integrated circuit datasheets, there is this seemingly mysterious quantity called load capacitance. This value depends on the geometry of the component lead connected to the transmission line, as well as the substrate material and distance to the reference plane on the integrated circuit die. When working with transmission lines, the load capacitance of a component has some important effects on signal
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Bob Smith Termination for Ethernet Circuits: Is it Correct?
Common-mode chokes in Ethernet circuits use Bob Smith termination, but is it the right choice for sinking common-mode noise?
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Back Drilling in Altium Designer: One of the Easiest Ways to Improve Signal Integrity
Back Drilling in Altium Designer is one of the Easiest Ways to Improve Signal Integrity. Click to see a Backdrilling example.
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What are Impulse Response Functions?
You can get a transfer function from a simulation, but what is an impulse response function? Learn more in this article.
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Through Thick And Thin — How Do You Get High Current Into a High Speed PCB?
The typical large currents in today’s high speed PCB designs require a different approach. This article will describe the stackup requirements associated with these very large current PCBs and how to design them so that they can be readily manufactured properly.
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Modeling PCB Interconnects as Causal Systems
Real PCB interconnects are causal systems and must be modeled with the correct time-dependent behavior.
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The Benefits of High-Dk PCB Materials
The terms “high-speed design” and “low-Dk PCB laminate” are often used in the same articles, and often in the same sentence. Low-Dk PCB materials have their place in high speed and high-frequency PCBs, but high-Dk PCB materials provide power integrity. Low-Dk PCBs are typically chosen as they tend to have lower loss tangent. Thus high-DK PCB materials tend to get overlooked for high speed and high-frequency PCBs. When we look at power integrity
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The Increasingly Important Role Of Dielectric Loss Tangent In PCB Laminates
Learn more about dielectric loss tangent, the role it plays in high-speed designs, and how it varies as a result of the glass to resin ratio and frequency.
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How to Calculate Impedance-Controlled Routing In Your PCB And Design Rules
Once you start designing high-speed or high-frequency PCBs, impedance in your traces becomes a critical parameter to consider during design. Impedance mismatches between signal sources, loads, and each trace that connects them can ruin a signal. Instead of working out the impedance of each trace in your PCB by hand, Altium Designer aids impedance-controlled routing with an integrated field solver. This streamlines your design process and ensures
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Learn How to Design PCBs with the Best PCB Design Tutorial
Let’s face it: PCB design is complex, and not all design software packages have the tools to help you be successful. Whether you’re creating a simple two-layer board or a complex high-speed digital system, Altium Designer has the design tools and PCB design tutorial you need to get started and succeed. You’ll have access to multiple PCB design tutorials to help you gain a better understanding of advanced features as you venture deeper into PCB
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