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Test & Measurement
Using Interrupts on Arduino
We've all been there - you've spent hours and hours trying to get that sketch working, but somehow, you're not reacting well to time critical events in your system. Maybe it's a wireless peripheral indicating when a packet is ready....
August 12, 2015
Understanding Arduino UNO Hardware Design
This article explains how Arduino works from an electronic design perspective. It also explains the role of every part of the Arduino.
July 01, 2016
Understanding, Calculating, and Measuring Total Harmonic Distortion (THD)
Total harmonic distortion (THD) is a measurement that tells you how much of the distortion of a voltage or current is due to harmonics in the signal....
February 20, 2017
The Karnaugh Map Boolean Algebraic Simplification Technique
Learn about the Karnaugh map (K-map) technique for Boolean algebraic simplification. What advantages and disadvantages do they have?
June 24, 2016
Switch Bounce and How to Deal with It
In this article I will discuss what switch bounce is and some ways to deal with it. First I will take you through the theory, and later I will show you some ways to handle it in both hardware...
September 03, 2015
Low-Pass Filter a PWM Signal into an Analog Voltage
In this article we will take a closer look at how to effectively low-pass filter a PWM signal into an analog voltage.
April 11, 2016
Choosing and Using Ferrite Beads
This article provides practical guidance on using ferrite beads to improve your PCB’s power quality.
October 11, 2015
The Basics of Power Semiconductor Devices: Structures, Symbols, and Operations
This technical article is dedicated to the review of the following power electronics devices which act as solid-state switches in the circuits. These act as a switch without any mechanical...
June 13, 2015
Universal Logic Gates
NAND and NOR gates are widely known to be universal logic gates, meaning that any other logic gate be made from NAND or NOR gates. This article discusses other universal logic gates....
November 06, 2015
The Basic MOSFET Constant-Current Source
Learn about a straightforward version of a circuit that is essential in the design of analog integrated circuits.
June 06, 2016
Learn About Thevenin Theorem and Dependent Source Circuits
Learn all about Thevenin's Theorem and its application in analyzing circuits with dependent sources.
October 02, 2015
Understanding Quadrature Phase Shift Keying (QPSK) Modulation
This technical brief covers the basic characteristics of a digital modulation scheme known as quadrature phase shift keying.
August 17, 2016
Implementing a Finite State Machine in VHDL
Impress your friends and family by learning how to implement a finite state machine in VHDL
December 23, 2015
Analyzing Circuits via Source Transformation
This article uses examples to explain the technique of source transformation.
November 01, 2016
An in-depth look at transformer isolation. Electrical isolation is necessary to protect circuits, equipment, and people from shocks and short circuits, as well as to make accurate measurements....
July 31, 2015
Practical PCB Layout Tips Every Designer Needs to Know
This article contains practical PCB layout tips that can help your PCB projects work correctly and reliably.
November 13, 2015
Nodal Analysis and Dependent Sources
The use of dependent sources when using Nodal Analysis.
August 08, 2015
How to Buffer an Op-Amp Output for Higher Current, Part 1
Op-amps become even more versatile if you can use them in high-current applications. In this article, we will look at a basic current-buffering circuit....
March 14, 2016
Basic Circuit Simulation with LTspice
LTSpice is a versatile, accurate, and free circuit simulator available for Windows and Mac. This is an overview of AC and DC simulation, as well as how to analyze output signals....
July 30, 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
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