Skip to main content
Mobile menu
PCB Design
Altium Designer
World’s Most Popular PCB Design Software
CircuitStudio
Entry Level, Professional PCB Design Tool
CircuitMaker
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
Solutions
For Enterprise
The Last Mile of Digital Transformation
For Parts and Data
Extensive, Easy-to-Use Search Engine for Electronic Parts
Altium 365
Resources & Support
Explore Products
Free Trials
Downloads
Extensions
Free Altium 365 Tools
Online PCB Viewer
Resources & Support
Altium / Renesas Scheme: Information for Shareholders
Renesas/Altium CEO Letter To Customers
All Resources
Support Center
Documentation
Altium Community
Forum
Bug Crunch
Ideas
Education Programs
Professional Training / Certification
University / College Educators
University / College Students
Webinars
Store
Search Open
Search
Search Close
Sign In
Simulation
Main menu
Home
PCB Design
Collaboration
Component Creation
Data Management
Design Outputs
ECAD/MCAD
HDI Design
High Speed Design
Multi-Board
PCB Layout
PCB Routing
PCB Supply Chain
Power Integrity
RF Design
Rigid Flex
Schematic Capture
Signal Integrity
Simulation
Software
Altium 365
Altium Designer
Enterprise Solutions
PDN Analyzer
Upverter
Education
Programs
Altium Academy
Engineering News
Guide Books
Newsletters
Podcasts
Projects
Training Courses
Webinars
Whitepapers
FREE TRIALS
SPICE: Certainty for All Decisions
Design, validate, and verify the most advanced schematics.
Learn More
Simulation / Analysis for PCB Design
Transmission Line Transfer Function from ABCD and S-parameters
High frequency and data rate channels can be routed as a mode-selective transmission line. Here’s when you should consider this routing technique.
Read Article
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.
Read Article
Modeling PCB Interconnects as Causal Systems
Real PCB interconnects are causal systems and must be modeled with the correct time-dependent behavior.
Read Article
The Basics of Signal Integrity Analysis in Your PCB
Read and learn the important steps in signal integrity analysis and how these steps reveal problems in your PCB layout.
Read Article
Buck Converter Simulation in Altium Designer
Are you designing a step-down switching power supply? It helps to perform a buck converter simulation during circuit design. Altium Designer makes it easy to perform a buck converter simulation directly from your schematic.
Read Article
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
Read Article
EMI Case History — Noise Problems and Their Solutions — Part 2
In Part 1 of this article, I described an EMI noise problem occurring in a LCD touch screen display of an autonomous robot cleaning machine. In order to provide consulting services we needed to solve a problem which originated because of the ground and supply bounce in the leads of the IC devices that were incorporated into that display. In Part 1, I also described the type of equipment in which the operation problem arose, the origin of the
Read Article
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. The connectivity between components in your schematic can be reduced to a small number of logical and electrical identifiers. The schematic may provide a graphical picture showing connections between different components and pins, but to really understand everything about your design, you’ll need an important document. A schematic
Read Article
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
Read Article
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. They sit in the background quietly doing their duty, yet your board wouldn’t operate without them. As part of DC-DC converter design for power-hungry applications, component selection is quite important for ensuring stable power delivery to a load with high efficiency. Among the numerous DC-DC converter topologies, a buck converter
Read Article
How to Reduce Clock and Signal Jitter: Debugging Power Supply Noise
Low level components need ultra-stable power, and high speed digital signals need to have repeatable edge transition times. The two aspects of digital signalling are related, and you’ll need to suppress all aspects of power supply noise to reduce jitter in a digital system. During a design debug, you’ll need to gather measurements throughout your board if you want to isolate and eliminate sources of power supply noise. Here’s how you can isolate
Read Article
Amplifier Stability at High Frequencies and Stray Capacitance
Amplifiers are one of those critical components that make modern life possible. From wireless communication to power electronics, amplifiers need to run stably and predictably for these products to work properly. Stability analysis is one of my favorite topics in physics and engineering, and it always tends to crop up in places you would least expect. One of these places is in amplifiers. Any time-dependent physical system with feedback and gain
Read Article
Near-field and Far-field EMI: What's Causing Noise Problems in My PCB?
If you’re an antenna designer, then you’re likely familiar with all aspects of near-field vs. far-field radiation. Given the litany of radiated EMI problems that cause noise within and outside of an electronic device, one might suddenly realize their new product is acting like a strong antenna. To understand how EMI affects your circuits, it helps to understand exactly how near-field vs. far-field radiation from your PCB affects your ability to
Read Article
Filter Transfer Function and Pole-Zero Analysis in Altium Designer
I remember spending hours on circuit analysis problems in my electronics classes, and I learned to analyze all sorts of filter/amplifier configurations by hand. The circuits were usually tractable with Ohm’s law and Kirchoff’s laws, as long as there was no feedback in the circuit. Circuits for advanced applications, such as wideband or multiband matching circuits for RF components, can quickly become difficult to analyze by hand. But as the
Read Article
Impedance Matching Network S-Parameters Simulation
Here’s how you can calculate the S-parameters for your antenna impedance matching network in Altium Designer.
Read Article
Antenna Impedance Matching Network Circuit Simulation in Altium Designer
Need to simulate an antenna impedance matching network? The SPICE tools in Altium Designer can help.
Read Article
Analog Signal Bandwidth and its Relation to Power Integrity
Here’s how your analog signal bandwidth interacts with your PDN, and how it affects power integrity.
Read Article
Pagination
First page
« First
Previous page
‹‹
Page
5
Current page
6
Page
7
Page
8
Page
9
Page
10
Next page
››
Last page
Last »
Load More