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PCB Design
Board Layer Stackup Considerations for High Speed Board Design
The PCB layer stackup you build to support high-speed board design needs to be engineered based on layer counts, layer thicknesses, and component lead size.
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The High-Speed PCB Stackup Design Challenge
Stackups for high-speed PCBs can be designed many ways, but these systems must be built by balancing engineering constraints in a final product.
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Stepped Impedance Transformer for Complex Loads
This article will show how a complex load can be converted to a real load with an impedance transformer for any line length and impedance.
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AltiumLive 2022 CONNECT is Back
AltiumLive 2022 CONNECT is back. And this year, it's free to attend. This is an amazing opportunity to connect with thought leaders in the industry. Join us at one of our upcoming broadcasts: AltiumLive 2022 Connect Americas: January 26-28, Pacific Standard Time AltiumLive 2022 Connect Europe: February 2-4, Central European Time From its inception, AltiumLive has been a watering hole for PCB designers and engineers to gather and connect with the
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Reflectionless Matching vs. Conjugate Matching: An Apparent Contradiction
Are reflectionless matching and conjugate matching contradictory? When we look at the formulation for power waves and S-parameters, we see where these are different.
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Quarter-Wave Transformer Design For Real and Reactive Loads
All quarter-wavelength transformers can be used for real loads, but some can be used for reactive loads with an additional transmission line section.
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RF Signal Chain and Link Budget Basics
Learn about link budget in RF design and use our link budget calculator to evaluate your RF signal chain.
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Best Methods for Calculating SMD Pad Size in PCB Design
Component creation requires accurate SMD pad sizes in your PCB footprints. See how to determine pad sizes for your SMD components.
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Component Warpage Causes in a PCB
A staff member at a PCB manufacturer once explained to me that they thought we were having an issue with a package warping. Prior to this I had assumed that this was highly unlikely in standard component packages used in a PCBA. Unfortunately, component warping can occur both in a PCB and in components. Mechanical mishandling leading to bending is an obvious one, but there are potentially other problems that could cause component warpage without
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Which BGA Pad and Fanout Strategy is Right for Your PCB?
Your BGA fanout strategy depends on the BGA pad size and your pin density. Learn how to pair the right BGA pad size with PCB trace width in this article.
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How to Properly Ground ADCs
Grounding with an ADC will influence noise injection into the board and it should be dealt with carefully when building a mixed-signal system.
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Plated Through-Hole Vias in mmWave PCBs
Plated through-hole vias in mmWave PCBs can ruin signal integrity in your RF interconnects if not implemented properly. Learn how to size and place stitching vias in this article.
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How to Calculate a Virtual Array in MIMO Systems
RF and sensing systems that use MIMO functionality have some important design constraints concerning virtual antenna design and placement. In these systems, due to the need for finer resolution and higher transmit/receive gain, the trend has been to pack more antennas into an array for beamforming and the reception of low-level signals. There is a reason for this trend, and it relates to an important concept in antenna array systems. When
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Can You Fix a Warped PCB?
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
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Automated PCB Routing With the Situs Topological Autorouter
This page looks at the Situs Topological Autorouter. This part of the PCB Editor uses topological mapping to define the PCB routing path and convert this to a high-quality route.
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What is an Eye Diagram?
An eye diagram tells you everything you need to know about the behavior of signals in a high-speed channel, as well as the channel’s response to repeated excitation.
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Designing Custom Hardware with Microcontrollers
Learn how to design custom hardware using microcontrollers.
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