Skip to main content
World’s Most Popular PCB Design Software
The Last Mile of Digital Transformation
Entry Level, Professional PCB Design Tool
Free PCB design for makers, open source and non-profits
Why Switch to Altium
See why and how to switch to Altium from other PCB design tools
Parts & Data
Altium Concord Pro
Complete Solution for Library Management
Extensive, Easy-to-Use Search Engine for Electronic Parts
Resources & Support
Free Altium 365 Tools
Online PCB Viewer
Resources & Support
Professional Training / Certification
University / College
Secondary / High School
High Speed Design
PCB Supply Chain
Browse our library of resources to learn more about pcb design and power integrity.
Getting Started With PDN Analyzer
PDN Analyzer for DC Power Integrity
PDN Design for the PCB Designer
Determining the Parasitic Inductance of a DC to DC Converter
Unwanted parasitic inductance from capacitors and transformer leakage inductance in DC/DC converters cause power instability in digital systems. Here's how you can determine parasitic inductance in your power system.
What is Transfer Impedance in a PDN?
We often talk about impedance in a PDN, but we always refer to self impedance. Here’s what you need to know about transfer impedance in your PCB.
Using Altium Designer for the Cellular Industrial IoT
Industrial IoT can benefit hugely from cellular connectivity, and new cellular IoT hardware solutions are making it easy for innovators to build new products.
Oscilloscope Basics: A Beginner's Guide
Wondering how to use an oscilloscope? Read this guide from Mark Harris to learn more about some oscilloscope basics for new electronics engineers.
NTC Thermistors as Temperature Sensors
So what is an NTC thermistor? NTC thermistors are the most commonly used class of sensor as they are cheap, easy to use, and accurate enough for most applications. Read on to learn more about NTC and other temperature sensors.
PFC Circuit Design and Layout for Power Systems
Much as we would like, the power input into a PCB is not always a clean DC or sinusoidal signal. DC coming from a rectifier will have some ripple from the output capacitor, and AC signals can contain noise or be less-than-perfect sine waves. There are some ways to correct these problems, either by choosing the right filtration circuit or by shaping the input wave to produce maximum power output to a load in the system. If you’re working with an
A Power Integrity Primer
Take a look at our power integrity tutorial to better understand PDN design for low noise and and stable power to components.
12 Ideas for Implementing NFC in Your Design
Read to learn about many possibilities for NFC; some of these project ideas are taken from commercially available products or research papers; others are ideas from working through reading the NFC standard.
Modeling Capacitor Impedance Vs. Frequency Using an Excel Spreadsheet
As noted in an earlier article, based on class notes from our two-day design course, getting the power subsystem design correct is the most challenging aspect of today’s high-speed PCB design process. A major aspect of this process is modeling the power supply to ensure that it will function properly in the end product. A critical part of this modeling effort focuses on being able to model capacitor impedance vs frequency. This is simple enough
Low Noise, Low EMI Power Distribution
This board has several loads on it, but it is purely a distribution board with no regulation. The main loads are the hefty 5V Tilta nano focus motor, 5V SDI to HDMI converter, 5V Tilta follows focus control, and the battery voltage powered monitor. Out of these, only the SDI to HDMI convert needs remotely clean power. The motor, however, is very electrically noisy, so it needs good isolation.
PDN Impedance Measurement For Power Subsystem Design
In order for a power subsystem to provide adequate power, a PDN impedance measurement versus frequency must be performed with custom test probes.
How to Calculate Power Dissipation
Understanding power dissipation of an individual component, an electrical block, or even the whole electronics system is essential for electronics engineers. It is important not only to avoid exceeding the maximum limits of components but also to calculate unknown parameters in input or output sides because power dissipation is related to system voltage and current. In this article, I describe my practices for analyzing power dissipation in
12V DC Uninterruptible Power Supply
I live in a rural village that tends to have intermittent power when there are high winds or storms. Because of this, my computers, servers, and network equipment are all on relatively low-cost, uninterruptible power supplies. These all run on sealed lead acid batteries and are not an overly efficient way to power a DC device such as a Raspberry Pi or internet router as the incoming mains. AC charges a DC battery, which then creates AC power
DesignCon 2020’s ‘Engineer of the Year’ Talks Power Integrity, Picosatellites, and Simulation Tools
Istvan Novak, Principal Signal and Power Integrity Engineer for Samtec Inc. and winner of the DesignCon 2020 Engineer of the Year Award joins the OnTrack podcast to talk about picosatellites, simulation tools, and the rising importance of power integrity.
Why PCB Power Rails Need to be Low Impedance
Read to learn what constitutes power rails, how it functions, and how fear can be a driving factor in making bad design decisions.
Power Delivery Systems Design
This article is intended to define the new challenges and provide guidance in how to successfully engineer the Power Delivery System (PDS) so it meets the needs of new technologies. As integrated circuit technology allows for billions of transistors on a single IC, it has resulted in very powerful systems on a chip. This has made it possible to put the equivalent of supercomputers inside video games, cell phones, and a host of other products that
High Voltage SMPS PCB Layout to Minimize Heat and Noise
Whether you are performing AC-DC conversion or DC-DC conversion, switching power supply layouts are common in high voltage design and must be constructed carefully. Although this system is quite common, it will easily radiate EMI due to the fast changes in voltage and current during switching. Designers can rarely adapt existing designs into new systems as a minor change in one area can create an EMI problem that is difficult to diagnose. With