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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.
July 06, 2017
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
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...
August 12, 2015
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
An Introduction to Filters
Learn about various types of filters, including common terminology and important characteristics.
July 31, 2017
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
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
T Is for Toggle: Understanding the T Flip-Flop
This tech brief provides an overview of a somewhat uncommon member of the flip-flop family.
April 17, 2018
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
An Introduction to Ground: Earth Ground, Common Ground, Analog Ground, and Digital Ground
Learn about the basics of grounds, grounding, and ground symbols. Not all grounds are created equal. In this article, we'll discuss earth ground, common ground, analog ground, and digital...
May 18, 2017
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
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
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
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
All About BLDC Motor Control: Sensorless Brushless DC Motor Controllers
Learn about sensorless brushless DC motor controllers, some example ICs, and some disadvantages of using such motors.
October 18, 2017
How to Select the Cutoff Frequency of Your Low-Pass Filter
This article provides some tips on how to fine-tune the characteristics of a low-pass filter.
June 29, 2018
What Is a Microcontroller? The Defining Characteristics and Architecture of a Common Component
In this article we’ll look at the defining characteristics of these extremely popular ICs, and then we’ll explore the internal architecture....
March 25, 2019
Python vs. C/C++: Why Should Electrical Engineers Bother Learning Python?
Why should an electrical engineer bother learning Python, anyway?
April 09, 2019
How to Read a Microcontroller Datasheet: Introduction and First Steps
MCU datasheets sometimes present an overwhelming abundance of facts, figures, and specs. This practical, step-by-step guide will help you to identify and extract the information that you need....
April 01, 2019
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