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Component Warpage Causes in a PCB
Blog
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. 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.

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On-Demand Webinar
8 Reasons to Store Your Components in Altium 365

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.

Link Budget Calculator
Blog
RF Signal Chain and Link Budget Basics

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. 

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How to Work with Draftsman
Adding Additional Views in a Draftsman Document

If you need additional views in your documentation, Altium Designer’s Draftsman Document editor can help. We’ll show you how to add and configure different views including the component view, the section view, the detail view, the isometric view, variants, the legend for the layer stack, the board region view, and the board realistic view.

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How to Work with Draftsman
Draftsman Document Views - Fabrication and Drill Drawings

The Draftsman Document Editor allows you to add a fabrication view and a drill drawing view to your outjob files. We’ll show you how to get them set up and details you can control from the properties panel.

How to Calculate SMD Pad Sizes?
Blog
Best Methods for Calculating SMD Pad Size in PCB Design

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?

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Getting Started with A365
Altium 365 - Version Control | Project History

Project History in a Nutshell: - Presents events in a chronological timeline (Creation, Commits, Releases, Clones, and MCAD Exchanges) - Auto-generates Differences Summary to view the differing entities (e.g., replaced components) - Even a non-expert can act on a revision (Download, View, Revert)

Can You Fix a Warped PCB?
Blog
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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How to work with Multiboard
Resolving Conflicts in Multi-board Schematics

When mismatched pin names in your multi-board schematic cause disconnects and conflicts you can use Altium Designer’s tools to resolve these conflicts. We’ll show you the Connection Manager and the various solutions to solve your connection issues.

What is an Eye Diagram?
Blog
What is an Eye Diagram?

The eye diagram is a useful measurement or simulation as part of channel compliance. The measurement shows many different factors that can affect signal behavior simultaneously, ultimately allowing for qualification of errors and losses in a channel. In this article, I’ll run over some of the fundamental measurements that you could manually extract from an eye diagram and how they reveal some strategies for improving channel designs.

High-Speed Design
On-Demand Webinar
Fundamentals of High-Speed Design

This track is for the designer who is new to high-speed layout and routing practices and wants to understand how they relate to signal integrity, and how to get started designing for high-speed digital applications.

Skills for Today's PCB Designers
Blog
What Skills Are Needed to be a PCB Layout Designer?

To readers who have been working in the PCB industry for most of your career, you have probably seen a very diverse group of professionals with varied skill sets and backgrounds. Designers might get started as engineers or as technicians, and some designers learn how to create beautiful PCB layouts in university. No matter how you got into PCB design, there are some important skills to know that will take you a long way towards advancing your career.

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How to Work with Draftsman
Draftsman Document Board Assembly View

The Draftsman Document can include a Board Assembly View. We’ll show you how to add it and the properties you can change to create the exact view or views you need.

How to Fix the Top PCB Design Mistakes
Blog
Beginner PCB Design Mistakes and How To Avoid Them

When starting out with PCB design, it’s common to treat the process as simply ‘connecting the dots’: as long as connections are made, it’s not particularly important how these connections are made. Having reviewed quite a number of PCBs of other PCB design engineers over the last few years, there are common, unfortunately erroneous, occurrences between a lot of them. This article aims to illustrate the top five beginner PCB design mistakes and what we can do to avoid making them. Let’s get started!

Top 5 Questions Regarding Stack Up
Blog
SAP (Semi-Additive PCB Process) – Top 5 Questions Regarding Stack Up

As the PCB design community embraces the benefits of this new printed circuit board fabrication technique, there are of course many questions to be answered.  Today’s blog will address some of the most commonly asked questions related to circuit layer stack up as people are introduced to this new technology.

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How to work with Multiboard
Placing Connections Between Boards

A multi-board design requires relationships between several board designs referred to as interboard connections. We’ll show you the different types of connections and how to connect your boards using the proper connection type.

Simple Simulation in Altium Designer
On-Demand Webinar
SPICE Simulation Made Simple

SPICE simulation saves you critical time in the prototyping phase. Understanding your simulation interface makes it simple to analyze how your circuits work in different scenarios. Altium Designer provides an intuitive, dedicated interface to support your simulation verification, setup, and analysis directly in your schematic environment. You also benefit from growing support for popular model formats, as well as generic models, simplifying circuit definition and simulation.

Design Reuse Blocks Update
Blog
Altium Designer 22.9 Update

We are happy to announce that the Altium Designer 22.9 update is now available. Altium Designer 22.9 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!

Dual Rail Voltage Supply
Blog
Dual Rail Voltage Supply

The highest performing operational amplifiers often need a split supply with positive and negative voltages connected to the op amps supply rails. In this project, we’re going to be building a positive/negative dual rail power supply for a differential oscilloscope probe I’m designing. I’m making the power supply a separate project, as a dual rail supply is quite useful to have, and I’m sure I’ll find multiple uses for it in the future.

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How-To's
Show the Net Connections Between Select Components

This video demonstrates how to show net-specific component connections. This is helpful when routing as you’re able to reduce clutter and focus on the connections on which you are working.

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Blog
Additive PCB Manufacturing: The Vaccine for Electronics Supply Shocks?

At this time, at least a quarter of the world’s population is under quarantine, with workers unable to go to offices or factories, leading to fundamental disabling of the world economy. The electronics industry is suffering greatly as well, dealing with a supply shock from factories shutting down in Southeast Asia, to demand-side shocks from Western markets literally shutting down. Now it is the electrical engineers taking the lead with additive PCB manufacturing.

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Blog
Webinar "6 Steps to Master Project Storage"

Altium 365 provides a secure cloud platform to store all of your design files in a single place so you can share them with anyone and access them from anywhere. This webinar discusses the advantages of placing, storing, and working with projects in Altium 365.

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Blog
Altium Designer 20 Changed My Layout Design Routines

I just finalized my first PCB design using Altium Designer 20. At the same time, I tested some new AD20 features, and in this article, I’ll share my thoughts about new layout design features which made the biggest impression for me: sliding, and any-angle routing.

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Blog
Designing for Antenna Isolation in Your Wireless System

Anyone who has taken apart an old cell phone or designs IoT devices knows multiple communication capabilities are present in these designs, each requiring different antennas. The RF designer should already take precautions for interconnect isolation, but antenna isolation is just as important when modeling and designing wireless systems.

Blog
PCB Trace and Pad Clearance: Low vs. High Voltage

High voltage/high current designs carry safety requirements which need to be met by designers. Similarly, high speed designs need to have suppressed crosstalk in order to ensure signal integrity. The key design aspects that relate to both areas are your PCB trace clearance and pad clearance values. These design choices are critical for balancing safety, noise suppression, and manufacturability.

Blog
Getting Through PCB DFM

In this article, we’ll discuss the key design features to implement, and steps to take prior to fabrication that will help prevent some DFM process pain.

Altium Designer Getting Started User Guide
Blog
Level Up Your Design Skills - Altium Designer Getting Started User Guide Update
We are happy to announce the new update of our Altium Designer Getting Started User Guide. Whether you are new to Altium Designer or you want to brush up on some topics, the Altium Designer Getting Started User Guide will take you from a beginner to a master in PCB design.  This is only the beginning! This guide will be updated with new information based on user feedback. Let’s first go over the contents of the guide.
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Blog
Modeling Copper Foil Roughness in Altium Designer's Impedance Profiler

With the new layer stack manager in Altium Designer®, you can now include copper foil roughness factors directly in your impedance calculator. This is quite easy to do in the layer stack manager, but it begs the question: what exactly is the copper roughness factor? Which value should be used for your interconnects?

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Blog
High-Speed Signal Routing: The 5 Important Constraints

After you capture your schematic as an initial layout and create an initial component arrangement, it’s time to define your routing constraints. Doing this early will allow your DRC engine to spot rules violations before you finish your layout. Likewise, you’ll be able to modify the default rule set to meet your layout requirements. Here are the important routing constraints you’ll need to check before you start routing your board.

Blog
How to Create a PCB Manufacturing Cost Estimation

Some manufacturers have very convenient PCB manufacturing cost estimation calculators you can use, but the real costs depend on a number of factors. If you’re an entrepreneur and you’re producing your own boards, or you are managing manufacturing, testing, and delivery for a new project, it’s your job to help clients understand the primary cost drivers for new boards. Here’s how you can get an estimate of your fabrication costs, both for local and overseas manufacturers.

Blog
PCB Mountable Connectors: SMD vs. Through-hole

Selecting a connector is as much an art as it is a science. The artistic side is all about aesthetics and satisfying clearances, while the scientific side is all about signal integrity. For PCB mountable connectors, you’ll need to choose between surface-mounted or through-hole connectors, and you’ll need to consider how each type affects signal integrity in your application. Here’s what you need to think about beyond the standard connector specifications.

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Blog
PCB Via Current-Carrying Capacity: How Hot is Too Hot?

Trace and via current-carrying capacity are legitimate design points to focus on when designing a new board that will carry high current. The goal is to keep conductor temperatures below some appropriate limit, which then helps keep components on the board cool.

Blog
How to Maximize Copper in Your PCB Design: The Pros and Cons of Copper Pouring Versus Placing

There is a saying in copper pour PCB design, “Copper is free.” It means a PCB editor designer must think in reverse. A board starts off as solid copper, and the copper you don’t want is removed. It is faster to build, less consumptive, and less expensive to make a board that is mostly copper as compared to the same size board that is mostly bare. Picking the correct technique will make the difference between an effortless or frustrating experience.

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Blog Mai 14, 2020
How to Highlight Nets in Altium Designer to Simplify Schematic and PCB Designs

Highlighting nets will help you simplify your schematic and PCB design. In Altium , there are multiple options that enable you to leverage this capability to simplify the verification of connections and circuit paths and make sure that the design you send to your manufacturer accurately reflects the printed circuit board you need built.

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Embedded thumbnail for What's Inside Your MCU Module?
How-To's
What's Inside Your MCU Module?

Are you curious about what’s inside a microcontroller module? Join us as we take a closer look at the Texas Instruments CC3235 Wi-Fi module under the microscope. In this video, we’ll explore its key components, including the microcontroller, flash memory, and RF circuitry, and explain how they work together to power the module.

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How-To's
Arduino to Custom PCB: Professional Design Transformation

Discover how to upgrade your Arduino Nano-based PCB design into a professional, custom PCB. This tutorial walks through the process of replacing development boards with individual components to create a production-ready design, using a real drone project as the example.

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How-To's
PCB Library Management: One Library or Many?

This detailed guide walks you through the pros and cons of each approach and offers proven strategies for managing component data, whether you're an independent designer or overseeing libraries for an entire organization.

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New in Altium Designer 25
Coming Soon: Sawtooth Rounding Support for Length Tuning

Sawtooth Rounding for Length Tuning improves signal‑path accuracy by applying controlled corner‑rounding to sawtooth geometries during both Interactive Length Tuning and within‑pair matching in the Auto Tuning engine. Discover this capability and additional innovations on our Coming Soon page.

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New in Altium Designer 25
Coming Soon: Z-Axis Clearance Rule

The Z-Axis Clearance Rule checks the shortest distance between copper features on different layers in a PCB design. It is available in both the Constraint Manager and the legacy PCB Rules Editor. Discover more new features in Altium on our Coming Soon Page.

Embedded thumbnail for Coming Soon: Advanced Polygon Pour Engine
New in Altium Designer 25
Coming Soon: Advanced Polygon Pour Engine

Now supports true arcs instead of approximated curves in copper pours. This enhanced engine marks a major advancement in the polygon pour process in Altium Designer, delivering smoother and more accurate copper shapes. Native arc rendering improves visual quality and helps ensure cleaner, more professional PCB designs.

Embedded thumbnail for How to Design Rigid-Flex PCB Stackups from Scratch
How-To's
How to Design Rigid-Flex PCB Stackups from Scratch

Watch this tutorial to learn the fundamentals of Rigid-Flex design. We cover everything from understanding polyimide materials and adhesive layers to building complex, multi-layer Rigid-Flex constructions that are ready for manufacturing.

Embedded thumbnail for How to Draw Antipads - Complete Tutorial
How-To's
How to Draw Antipads - Complete Tutorial

Discover how to draw and define antipads in Altium with this complete tutorial. Learn three different methods for creating antipads around vias. From simple design rules to advanced polygon cutouts for both basic and complex PCB designs.

Embedded thumbnail for Do PCB Manufacturers Actually Look at Fabrication Drawings?
How-To's
Do PCB Manufacturers Actually Look at Fabrication Drawings?

Explore this in-depth tutorial featuring real fabrication drawings, stackup specifications, and drill tables - all created using Altium Designer’s Draftsman tool. Learn essential insights into PCB data management and manufacturing requirements from an industry perspective.

Embedded thumbnail for Compensating Transmission Line Losses in a PCB Calculator
How-To's
Compensating Transmission Line Losses in a PCB Calculator

This tutorial uncovers the key difference between ideal, lossless impedance calculations and real-world signal behavior giving you practical techniques to design controlled impedance PCBs that deliver reliable performance.

Embedded thumbnail for How Close Can You Bring a Reference Plane?
How-To's
How Close Can You Bring a Reference Plane?

Explore our in-depth investigation into practical simulations using both Altium Designer and Polar Si9000. We demonstrate impedance sensitivity analysis and reveal the real limitations of optimizing reference plane proximity for improved signal shielding.

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How-To's
Do PCB Thermal Vias Actually Work?

Are thermal vias really helping your PCB’s heat management? Tech Consultant Zach Peterson dives into simulation data, research, and a controversial article to uncover the truth. Learn why via count and spacing matter more than sheer quantity.

Embedded thumbnail for Stripline Routing Deep Dive: How Close Is Too Close?
How-To's
Stripline Routing Deep Dive: How Close Is Too Close?

In this video, Zach Peterson takes a deep dive into what happens when reference layers are incorrectly set in a PCB stackup and how that affects impedance, signal integrity, and EMC. He also shares valuable insights into stripline routing proximity issues and best practices for assigning reference planes.

Embedded thumbnail for Coming Soon: Solder Mask Zero Expansion
New in Altium Designer 25
Coming Soon: Solder Mask Zero Expansion

Solder Mask Zero Expansion marks a move toward industry alignment, specifically with IPC-7351B and IPC-2581B standards. It changes the default solder mask expansion value from 4 mil to 0 mil. Discover more upcoming updates on our Coming Soon Page.

Embedded thumbnail for Analog Supply without a Ferrite: Proper Isolation Techniques Explained
How-To's
Analog Supply without a Ferrite: Proper Isolation Techniques Explained

In our new tutorial, you'll learn why ferrite beads may not be the best choice for isolating analog and digital supply pins on integrated circuits. Zach Peterson debunks common misconceptions about ferrite bead isolation and introduces better alternatives, including dedicated LDOs, precision voltage references, and effective filtering techniques to help you achieve cleaner analog signals in your designs.

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Enhanced Constraint Manager in Altium Designer 25
Enhanced Constraint Manager in Altium Designer 25. Part II: Physical Constraints and Routing Differential Pairs

In the second video of Samer Aldhaher’s "Enhanced Constraint Manager" series, we continue designing a 1 kW, 400 V brushless DC motor driver. This episode focuses on setting physical constraints using constraint sets, routing differential pairs, and demonstrating the Auto Shrinking feature in Altium Designer 25.

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