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SPICE: Certainty for All Decisions
Design, validate, and verify the most advanced schematics.
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Signal Integrity
How to Use Thermocouples in Your Next Project
Thermocouples are the final sensor type in a series where we look at all the main types of temperature sensors you might use in an electronics project. In this series, we have looked at the various ways to implement different temperature sensors in your project. At the end of the series, we’ll be putting the sensors and implementations in a head to head competition using real-world conditions. Through this real-world testing, will gain a better
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What is a Balun in RF PCB and Do You Need One?
Are you wondering what a balun is? Find out more and see where one fits into your RF PCB layout.
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What VNA Measurements Can Teach You About Your PCB Substrate
Your VNA measurements reflect important properties about your PCB substrate material. Here’s how substrate material properties appear in your VNA measurements.
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How Antipads Affect Signal Integrity in Your Multilayer PCB
Antipads in your PCB can create a signal integrity problem if not used properly. Here are some guidelines to help you get started.
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DDR5 vs. DDR6: Here's What to Expect in RAM Modules
What can designers expect in DDR5 vs DDR6 RAM? Here’s what you can expect for your next memory device.
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PCB Stackup and Trace Impedance Calculator in Altium Designer
There are many demands placed on PCB stackup design. High-speed designs carry a requirement for controlled impedance, crosstalk control, and the need for interplane capacitance. Impedance in your traces becomes a critical parameter to consider during stackup design for high-speed PCBs, but the stackup will also influence crosstalk susceptibility and sheet capacitance between ground and power planes. While you can work out many of these details by
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All About PCB Loss Tangent: What it Means and When it Matters
Do you know the PCB loss tangent for your laminate? Learn more about this important factor and how it affects your signals.
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S11 Parameter vs. Return Loss vs. Reflection Coefficient: When Are They the Same?
What is the difference between return loss vs. reflection coefficient and the S11 parameter? We’ve got your answers in this article.
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LVDS to LVPECL, CML, and Single-Ended Conversions
A lot is made of high speed interfaces for PCBs. Here’s how you interface between LVDS to LVPECL, CML, and other logic families.
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How Load Capacitance on a Transmission Line Affects Your Signals
If you ever read about transmission lines and integrated circuit datasheets, there is this seemingly mysterious quantity called load capacitance. This value depends on the geometry of the component lead connected to the transmission line, as well as the substrate material and distance to the reference plane on the integrated circuit die. When working with transmission lines, the load capacitance of a component has some important effects on signal
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Microwave Cavity Resonator Emissions in Your PCB Layout
Even digital designers need to worry about cavity resonant emission in PCBs. Here’s how your circuit board can act like a microwave cavity resonator.
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The Advantages of ABCD Parameters for Analyzing Your PCB
SI (Signal integrity) engineers always talk about S-parameters, but an alternative tool for circuit design and analysis is ABCD parameters.
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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.
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Data Rate vs Bandwidth: What's the Difference?
What is the difference between data rate vs bandwidth? This topic has been obfuscated for the last 30 years. Here’s how they relate.
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Stripline vs. Microstrip Trace Width for Desired Impedance: Are They the Same?
Stripline vs. microstrip width values are quite different; they can’t simply be interchanged. Let’s break down why and what you can expect from your PCBs.
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Differential Pairs Without Ground: Is it a Problem?
Some designers tell you that differential pairs without ground are acceptable. So who’s correct? We’ll examine the pros and cons of a differential pair ground plane.
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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.
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