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Passives Technical Articles
Test & Measurement
Safety Capacitors First: Class-X and Class-Y Capacitors
Learn about Class-X and Class-Y capacitors, where they are used, and why they are referred to as "safety" capacitors.
May 06, 2019
Analyzing Circuits via Source Transformation
This article uses examples to explain the technique of source transformation.
November 01, 2016
X7R, X5R, C0G…: A Concise Guide to Ceramic Capacitor Types
This technical brief attempts to dispel some of the fog that surrounds the three-character cryptograms used to describe ceramic caps.
March 30, 2018
What Is a Low Pass Filter? A Tutorial on the Basics of Passive RC Filters
What is filtering? Learn what resistor-capacitor (RC) low-pass filters are and where you can use them.
May 12, 2019
Choosing and Using Ferrite Beads
This article provides practical guidance on using ferrite beads to improve your PCB’s power quality.
October 11, 2015
Measuring Resistance, In Circuit and Out
This article explains how to measure a resistance value, even if the resistor cannot be removed from its circuit.
June 21, 2015
Why the Capacitor in Your Power Supply Filter is Too Big
The job of the capacitor in the output filter of a DC power supply is to maintain a constant DC value by removing as much power ripple as possible. Because these capacitors have a DC value,...
January 21, 2016
Understanding Current-Voltage Curves
This article discusses I-V curves for passive components, voltage sources, and current sources.
December 27, 2016
Determining the Equivalent Series Resistance (ESR) of Capacitors
Learn more about the importance of capacitor ESR, how to measure it, and what factors can affect your measurements.
March 31, 2017
Special Cases in Nodal Analysis
This article describes certain special cases when performing nodal analysis.
July 09, 2015
Electrical Symbols for Electronic Components: Passive Components
This two-article series provides an overview of circuit symbols, along with some information on the components that they represent.
October 31, 2018
Voltage and Current Dividers: What They Are and What They Do
This article describes what voltage and current dividers are and how they can be used.
June 26, 2015
Clean Power for Every IC, Part 1: Understanding Bypass Capacitors
A thorough understanding of bypass capacitors will help you to properly incorporate these critical components into your designs.
September 21, 2015
Mesh Analysis and Dependent Sources
This article describes the technical aspects of Performing Mesh analysis with Dependent Sources.
July 08, 2015
How Does a Fuse Work? Understanding the Details of Fuse Operation and Implementation
This article provides an overview of some subtle yet important aspects of fuse functionality and design.
April 23, 2018
Switching Losses: Effects on Semiconductors
We review switching losses involving diode recovery charge, transistor switching with clamped inductive load, device capacitance and leakage, package, and stray inductances, and the efficiency...
June 03, 2015
Clean Power for Every IC, Part 3: Understanding Ferrite Beads
Ferrite beads used in conjunction with bypass capacitors can provide improved power-supply filtering and decoupling.
September 30, 2015
Introduction to the Transmission Line
Explanation of what a transmission line is, and the conditions under which it exists. Uses lumped element model to derive differential equations and manipulates the equations to get telegraph...
November 12, 2015
Clean Power for Every IC, Part 2: Choosing and Using Your Bypass Capacitors
Proper component selection and careful PCB layout are integral to power supply bypassing.
September 27, 2015
What Exactly Is a Quartz Crystal, Anyways? A Look at Quartz Crystal Oscillators
This article explains some theory behind an extremely common electronic component.
March 02, 2018
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