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Passives Technical Articles
Test & Measurement
Understanding Current-Voltage Curves of Non-Linear Devices
This article discusses the I-V curves of passive non-linear devices such as diodes, transistors, and thyristors.
January 09, 2017
Understanding Current-Voltage Curves
This article discusses I-V curves for passive components, voltage sources, and current sources.
December 27, 2016
Analyzing Circuits via Source Transformation
This article uses examples to explain the technique of source transformation.
November 01, 2016
Inductor Out, Op-Amp In: An Introduction to Second-Order Active Filters
In this article, we’ll compare active and passive filters and look at some common second-order active topologies.
May 19, 2016
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
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
Choosing and Using Ferrite Beads
This article provides practical guidance on using ferrite beads to improve your PCB’s power quality.
October 11, 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
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
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
Special Cases in Nodal Analysis
This article describes certain special cases when performing nodal analysis.
July 09, 2015
Mesh Analysis and Dependent Sources
This article describes the technical aspects of Performing Mesh analysis with Dependent Sources.
July 08, 2015
Intro to Magnetic Devices and the Science Behind Them
Magnetic devices shape our world: they power our homes, tools, toys, and they even store our data. Quantum physics provides insights needed to understand magnetism and its relationship to the...
July 07, 2015
Resistance in Parallel Networks
Parallel circuits are one of two fundamental circuit configurations we come across every day. Like a parallel universe, parallel circuits and networks can give us unexpected results. Adding...
June 30, 2015
Beyond the DMM: Components and Circuits for Measuring Current and Voltage
Learn about devices and techniques used for in-circuit monitoring of currents and voltages.
June 27, 2015
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
Five Places to Find Part Info Online
These online sources not only help you find part data quickly, but can also help you determine availability and manage bills of materials....
June 25, 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
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
Superposition and What it Means For You
This article describes superposition and its simple applications.
May 11, 2015
Improved howland AC current pump
3 hours ago
First Power Amplifier Build - Help Needed
3 hours ago
Revive/restore dead Ni-Cd batteries - shocking or reverse charging - does it work?
about 5 hours ago
NPN and LDR Circuit Basics
9 hours ago
LED circuit with two different light intensities
10 hours ago