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What is a Schematic Netlist for Your PCB?

If you’ve created your next great schematic, there is a lot going on behind the scenes in your design software. A schematic netlist is one of the central pieces of information that will be used in multiple features in your design software to create a real PCB. Your schematic netlist provides both electrical connectivity information, and reflects the functional structure of your design data in a single set of data.

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How to Select an Inductor for a Buck Converter

An SMPS is one of those quiet (yet electrically noisy) devices that makes your favorite electronics run smoothly. Among the numerous DC-DC converter topologies, a buck converter finds plenty of uses for stepping down the input voltage to a lower level while providing high efficiency power conversion. A common question around component selection for these power converters is how to select an inductor for a buck converter. The goal in working with an inductor and other components in a buck converter is to limit power loss to heat and while minimizing current ripple.

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US Department of Transportation Seeking Alternatives to GPS

GPS-capable devices range from your phone to your smartwatch; simply type in your destination and follow the directions. Simple, right? According to the Washington Post, we should all stop using GPS as it’s ruining the navigation centers of our brains. Despite the neurological effects on perception and judgment, the U.S. Department of Transportation (DOT) aims to find alternatives to GPS to provide redundancy.

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Bluetooth 5.1 SoC vs. Module: Which is Best for Your Design?

The list of features available in Bluetooth just got a little longer since the release of Bluetooth 5.1. If you want to incorporate a Bluetooth 5.1 SoC into your new product, you have two primary options for bringing this component into your board. The first is as an SoC that mounts to your board just like any other component. The other option is to bring a module into your new board—directly onto the surface layer. Here’s what you need to know about a Bluetooth 5.1 SoC or module in your next IoT product.

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USB Power Delivery for Your Next Project

Since its introduction in the late 90s, the USB standard has never ceased to grow in popularity. There has been a growing trend toward USB being a power delivery interface with data, rather than a data interface that can supply power, as the 1.0 specification originally intended. To supply the increasing thirst for power over USB, the USB 3.0 Spec with Type-C began implementing the Power Delivery standard, which you should consider using for your next electronics project.

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Circuit Board Design for In-Circuit Testing

There are many types of circuit board tests available in electronics manufacturing today, each having unique goals and characteristics. This article presents guidelines at the design level (schematic and layout) to enable the use of in-circuit testing (ICT) fixtures to verify proper component assembly. These simple test fixtures allow your board to be tested as its assembled, which helps identify and remove failed boards from your production run.

Embedded thumbnail for Creating PCB Mounting Holes
Creating PCB Mounting Holes

Our PCB must somehow be assembled into the final drone assembly. This will be achieved by attaching our PCB to the motherboard connector and by special mounting racks, which requires precise positioning of the two mounting holes on the PCB.

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Planning for the Future with Cirris Systems and Altium

Technological advancements have been a hallmark of the past few decades, from the widespread adoption of internet technology to the smartphones and wireless devices we rely on every day to stay connected. Orlan Thatcher, Board Layout Specialist at Cirris Systems, could never have predicted the demand their services would generate. The company struggled with six different software platforms before switching to Altium Designer.

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Working with PCB Keepouts

When working in the PCB, there may be specific areas that you would want to prevent the presence of certain objects, such as vias, tracks or copper regions. All of this can be realized in Altium Designer by using the Keepouts feature.

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An Introduction to NFC

I used to work in a research lab that worked primarily with RFID (Radio Frequency IDentification) and NFC (Near Field Communication) technology, particularly for the agriculture industry and cattle identification. These were very specialized fields; however, the lab also worked on projects which involved retail and various other applications for NFC. It’s an amazing technology that you might be using every day without thinking about it - building access to your mobile phone payments, for instance. 

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Editing Your PCB Geometry with MCAD Tools

You need to define your PCB geometry in the context of your enclosure. If your board cannot physically be assembled into the final product, it doesn't matter how well laid out it is electrically. This webinar focuses on how the MCAD CoDesigner allows you to edit your PCB in the context of a higher-level assembly, allowing you to respect the relevant mechanical constraints.

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The PCB Fabrication Process — what Every Design Engineer Needs To Know, Part 2

In Part 1 of this article, I described the first steps that occur during the PCB fabrication process. They detailed the inner layer processing effort as well as the efforts that take place during the transition from inner layer processing to lamination. This part of the article will provide a detailed description of the lamination, drilling and plating processes.

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The PCB Fabrication Process—What Every Design Engineer Needs To Know, Part 1

There are still a number of designers - perhaps most of them - who have never toured a PCB fabrication facility. They are also unaware of the various steps that occur during the fabrication process. The purpose of this article is to describe those steps and what transpires in each of them. Part 1 of this article focuses on inner layer processing and the steps that are done prior the lamination process.

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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. This webinar showcases the advantages of component storage in Аltium 365 to resolve the issues of local libraries and component management.

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Bridging the Gap Between Designers and Customers

Every piece of electronic equipment starts with a great idea. Transforming great ideas into real, physical products takes a team of talented individuals and multiple companies coming together to make everything from the internal components to the external hardware. Paul Payen de la Garanderie, Founder and Owner of AW Audio, an engineering services company based in France, understands these challenges very well. With an extensive background in the Audio/Visual industry, Paul has had to work with multiple companies over the years, from small start-ups to celebrated AV firms.

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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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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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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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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.

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Differential Microstrip Impedance
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Differential Microstrip Impedance Calculator

Are you looking for a free tool that you can use to calculate the impedance of differential microstrips? We created a simple tool you can use to calculate differential microstrip impedance for a given geometry and dielectric constant. If you’ve been looking for an accurate differential microstrip impedance calculator, then the calculator below is certainly one of the best free tools you’ll find on the internet before you start using field solvers to determine differential pair impedance.

PCB DFM Check
Blog
Getting Through a PCB DFM Check

In this article, we’ll discuss the key design features to implement, and steps to take prior to fabrication that will help prevent some common DFM problems. I’ll also provide examples of where I commonly see these PCB DFM problems in signal integrity circuits.

Spreading Inductance
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What is Spreading Inductance?

If you’re working with a high-speed digital component, there are some simple power integrity rules that should be followed. However, there is one quantity that is sometimes ignored when building a PDN impedance simulation: the spreading inductance of your plane pair. Here are some points designers should know about the spreading inductance of a plane pair.

PCB Design Basics for New Designers
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PCB Design Basics for New Designers

In this article, I’ll present some design basics that every new designer should follow to help ensure their design process is successful. Some of these points may challenge the conventional view of how circuit boards are constructed, but they are intended to help balance low noise signaling, manufacturability, and ease of solving a layout.

Selecting Materials for High Voltage PCB Design and Layout
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Selecting Materials for High Voltage PCB Design and Layout

High voltage PCBs are subject to certain safety and reliability concerns that you won’t find in most other boards. If your fabrication house specializes in high voltage PCBs and keeps materials in stock, they can likely recommend a material set, as well as a standard stackup you might use for certain voltage ranges and frequencies. If you need to choose your own materials, follow the tips below to help you narrow down to the right material set.

Via tenting in PCB Layout
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When to Use Tented Vias in Your PCB Layout

There are some guidelines I see many designers implement as a standard practice, often without thinking about it. Some of these practices are misunderstood or implemented without best practices. Others are implemented without thinking about the potential problems. One of these is the use of tented vias, which is sometimes implemented in a PCB layout by default. Is this always the right practice?

Capacitive load termination
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How to Impedance Match and Terminate Capacitive Loads

The idea of a purely capacitive load is something of a fallacy. Yes, capacitors exist, but all capacitors are non-ideal, and it is this deviation from a theoretical capacitance that determines how to impedance match a load that exhibits capacitive behavior. Let’s take a look at this important aspect of interconnect design and see what it really means to terminate a capacitive load.

Using Altium 365 Over Your Vanilla Version Control System
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Using Altium 365 Over Your Vanilla Version Control System

There are all sorts of version control systems out there that people have been using with their PCB design software. As discussed in Why Use a Version Control System, we looked at different options ranging for local hard drive storage to sophisticated online revisioning systems. In this article we will be reviewing the differences between a standard VCS and Altium 365.

Why Use a Version Control System in PCB Design
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Why Use a Version Control System in PCB Design

Version Control Systems (VCS) have been around for many decades within the software world but can be surprisingly new to some folks in the electronics design industry. This article will cover what a VCS is, what it does, and why you should be using one for your PCB design projects.

IPC 6012 Class 3 Annular Ring
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Meeting Standards: IPC 6012 Class 3 Annular Ring

Designers often conflate leftover annular ring and pad sizes - they need to place a sufficiently large pad size on the surface layer to ensure that the annular ring that is leftover during fabrication will be large enough. As long as the annular ring is sufficiently large, the drill hit will not be considered defective and the board will have passed inspection. In this article, I'll discuss the limits on IPC-6012 Class 3 annular rings as these are a standard fabrication requirement for high-reliability rigid PCBs.

PCB fabrication notes
Blog
Decoding PCB Fabrication Notes

Sending a board out for fabrication is an exciting and nerve-wracking moment. Why not just give your fabricator your design files and let them figure it out? There are a few reasons for this, but it means the responsibility comes back to you as the designer to produce manufacturing files and documentation for your PCB. It’s actually quite simple if you have the right design tools. We’ll look at how you can do this inside your PCB layout and how this will help you quickly generate data for your manufacturer.

HDI PCB design and HDI PCB manufacturing process
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Design Basics for HDI and the HDI PCB Manufacturing Process

As the world of technology has evolved, so has the need to pack more capabilities into smaller packages. PCBs designed using high-density interconnect techniques tend to be smaller as more components are packed in a smaller space. An HDI PCB uses blind, buried, and micro vias, vias in pads, and very thin traces to pack more components into a smaller area. We’ll show you the design basics for HDI and how Altium Designer® can help you create a powerful HDI PCB.

All About PCB Test Points
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Is It Printed or a Component? All About PCB Test Points

Test points in your electronic assembly will give you a location to access components and take important measurements to verify functionality. If you’ve never used a test point or you’re not sure if you need test points, keep reading to see what options you have for test point usage in your PCB layout.

How to Design to a Differential Impedance Specification
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How to Design to a Differential Impedance Specification

The concept and implementation of differential impedance are both sometimes misunderstood. In addition, the design of a channel to reach a specific differential impedance is often done in a haphazard way. The very concept of differential impedance is something of a mathematical construct that doesn’t fully capture the behavior of each signal in a differential trace. Keep reading to see a bit more depth on how to design to a differential impedance spec and exactly what it means for your design.

Product Lifecycle Management in Electronics Manufacturing
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Product Lifecycle Management in Electronics Manufacturing

An effective product lifecycle management (PLM) solution will integrate the tools and processes employed to design, develop and manufacture a new device. This solution goes beyond engineering activities to include the project management, process control, and financial management of the end-to-end business processes. PLM solutions create this collaborative environment where product development can flourish, bringing additional benefits in efficiencies and transparent communications, breaking silos, and speeding up the development process.

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Embedded thumbnail for Avoid Solder Wicking
DFM and Fabrication Cost/Time Constraints
Avoid Solder Wicking

If solder gets sucked into via holes in can cause an unreliable connection in your otherwise manufacturable design. We’ll show you a few easy ways to avoid this solder wicking using rules.

Display of Alternate Component Parameters
What's New in 22.4
Display of Alternate Component Parameters

Many schematic solutions are created as multivariant. With the new release, the schematic of multivariant project have become even more detailed and informative.

Display of Alternate Component Parameters
What's New in 22.4
备用元件参数显示

很多原理图解决方案均以多变量形式创建。随着新版本的发布,将提供更加详细和翔实的多变量项目原理图。

Components from Altium 365
What's New in 22.4
Components from Altium 365

Working with multiboards has become easier and more convenient. Now you have more component sources at your disposal.

Components from Altium 365
What's New in 22.4
Altium 365 元件

进行多板处理将变得更加轻松、方便。现在可供您使用的元件源将更多。

New Design Reuse Functionality
What's New in 22.4
New Design Reuse Functionality

A reuse bloks help reduce development time and avoid errors. The new Design Reuse Panel and new functionality expands the possibilities for reuse blocks and snippets.

New Design Reuse Functionality
What's New in 22.4
新的设计复用功能

复用块将有助于缩短开发时间并避免错误。新Design Reuse Panel和新功能,扩大了复用块和片段的使用范围。

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Working with MCAD CoDesigner extension
MCAD CoDesigner Quick Start: Autodesk Inventor

MCAD CoDesigner is built to address the challenges of electronic product design by enabling seamless collaboration between your electrical and mechanical engineers. This video will show you how to start collaboration between Altium Designer and Autodesk Inventor. 

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How to work with Variants
Variants in Output Documents

Variants can be used with output files to keep track of all the variations within your design. We’ll show you how to export these files including a Smart PDF, and an outjob file with variants.

Embedded thumbnail for Copper to Edge Clearance
DFM and Fabrication Cost/Time Constraints
Copper to Edge Clearance

It is necessary to maintain edge clearance from your copper in your design. We’ll show you how to maintain it, what exceptions there are to the rule, and how you can ensure its manufacturability.

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RF PCB Design
Design RF PCB: PCB edge plating

Board edge plating provides additional noise suppression and improves EMC. This video provides some practical tips for creating metalized PCB edges in Altium Designer.

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How to work with Variants
Using Parameters in Variants

You can use parameters to change your variants in many ways, such as text and titles. We’ll show you how to alter parameters in the PCB, Schematic, and Draftsman so you can create variants with different parameters.

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Blankets
How to efficiently use Blankets?

Blanket is a powerful tool for group assignment of properties in schematic documents. It makes it easier and faster to assign circuit classes, differential pairs, and design rules within schematic documents. This video provides instructions on how to use blanket to simplify work in your designs. 

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Query Language
Query Language: How to Easily Create Expressions

In this video the main tools which allow to simplify the process of building a query in Altium Designer will be considered. There are several such tools and each of them has its own limitations and peculiarities of use. 

Embedded thumbnail for What to Consider when Designing Edge Connectors
DFM and Fabrication Cost/Time Constraints
What to Consider when Designing Edge Connectors

If your design requires edge connectors there are a few important things to consider. We’ll walk you through how to make sure your design with edge connectors is easy and manufacturable.

Embedded thumbnail for Design RF PCB: Distributed-Element Circuits
RF PCB Design
Design RF PCB: Distributed-Element Circuits

Distributed-element circuits are a topology of a particular shape and size. Filters, power dividers, directional couplers can be built from them. Being calculated in third-party CAD, the topology of such elements can be easily imported into Altium Designer, and we will show you how to do it!

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