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SPICE: Certainty for All Decisions
Design, validate, and verify the most advanced schematics.
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Simulation / Analysis for PCB Design
Ebook: PDN Simulation and Analysis Guide
In this e-book, we’ll show how to create some fundamental PDN simulation models with SPICE, and how to analyze PDN impedance with industry-standard simulation programs.
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Ferrite Bead Models and Transfer Impedance in a PDN Simulation
Ferrites in a PDN and transfer impedance are investigated in this article. We’ll show how ferrites in a PDN create problems for switching circuits.
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PDN Impedance Simulation and Analysis in SPICE
PDN simulations can be performed in SPICE if you know how to properly model parasitics and inductive effects in power integrity analysis.
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When Do PCB Power Plane Resonances Occur?
Do you know when a power plane resonance occurs in the PDN on a circuit board? We’ll examine when this occurs and what causes it.
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How To: Impedance Matching and Terminating Capacitive Loads
Impedance matching and capacitive load termination are examined in this article.
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How the Gibbs Phenomenon Produces Measurement Artifacts
The Gibbs phenomenon is a measurement artifact that can be mistaken for real signal integrity problems like ground bounce, ringing from reflections, or resonance on short lines.
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PWM in Power Supply Design
PWM signals are used to control average power delivery in switching regulator circuits.
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Transmission Line Impedance Measurement: Even vs. Odd Mode
If you need an accurate transmission line impedance measurement, here are the important values you need to use in your next board.
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Controlled ESR Capacitors: Should You Use Them for Power Integrity?
I can’t think of a single product I’ve built that doesn’t require capacitors. We often talk a lot about effective series inductance (ESL) in capacitors and its effects on power integrity. What about effective series resistance (ESR)? Is there a technique you can use to determine the appropriate level of resistance, and can you use ESR to your advantage? Like many answers to important engineering questions, the answer is “it depends.” One type of
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Beginner's Guide to H-bridge Full Wave Rectifier Design
Need to start a new power conversion design? You’ll probably need an H-bridge full-wave rectifier to produce a stable DC output.
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What Causes Gibbs Signal Ringing in High-speed Channel Simulations?
Gibbs ringing is both a measurement artifact and a calculation artifact that arises in band-limited channels. Make sure you understand how this arises due to transform and convolution operations.
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Use the Best RF Design Software for High Frequency PCBs
What should you look for in your RF design software? Integratoin between schematic and PCB is the top need among RF engineers.
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Complete Power Supply Filter Design and Simulation Guide
A PCB for a power supply can be as difficult to design as high-speed networking equipment and complex embedded systems. These circuit board designs need to account for a range of behaviors and safety requirements, especially when dealing with high voltages and currents reaching the output of the power supply. In addition to safety standards involved in power supply PCBs, component selection is critical for ensuring the design can provide the
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How to Reduce Common-Mode Noise in Your Power Supply with Impedance Balancing
You can use impedance balancing to reduce conducted common-mode noise in your power supply. Here’s how it works and some experimental results.
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New Dimensions of PCB Simulation and Modeling
In this interview, they discuss why they developed this software and what solutions they can now offer design engineers.
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Parameterized Tests Using Pytest for Hardware in the Loop Testing
In Configuring a Hardware in the Loop Project, we reviewed the hardware concept in the loop testing using the Pytest framework. In that article, we examined the high-level concepts needed to create a basic test framework and structure. In this article, we will be reviewing the Pytest framework in-depth, specifically parameterized tests. At the end of this article, the reader will understand the difference between individual tests and
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Switching Power Supply Output Filter: Design and Simulation
SPICE packages can help you design a switching power supply output filter bby looking at transient response results and running parameter sweeps.
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