AC Motor Control Circuits

Perhaps the most challenging aspect of interpreting ladder diagrams,…

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Microprocessor Programming

What is the difference between a JMP (“jump”) instruction and a…

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DC Lab - An Analog Computer For Averaging

In this hands-on electronics experiment, you will build a simple circuit that computes the average of voltages and learn about analog computers and their application.

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Binary Subtraction

We can subtract one binary number from another by using the standard…

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Practical considerations - Digital Communication

A principal consideration for industrial control networks, where the…

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Embedded Microstrip Impedance Calculator

This calculator helps you compute the characteristic impedance of an embedded microstrip.

Tools

Programmable Logic Technology

Define the following acronyms as they apply to digital logic circuits:…

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Microprocessor Programming

The “vocabulary” of instructions which any particular…

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Venn Diagrams and Sets

Mathematicians use Venn diagrams to show the logical relationships of…

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Performance-Based Assessments for DC Circuit Competencies

(Template)

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Sequences

Arithmetic Sequences An arithmetic sequence is a series of numbers…

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Power Sources

There are many different types of power sources, and here some of the…

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DC Lab - Potentiometer Voltage Divider

In this hands-on electronics experiment, you will use potentiometers to vary a voltage and learn about voltage divider ratios and potentiometer applications.

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AC Lab - Phase Shift in a Capacitive Circuit

In this hands-on AC electronics experiment, build a simple RC circuit that demonstrates phase shift and learn how out-of-phase AC voltages do not add algebraically.

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Three-phase Power Systems

What is Split-Phase Power Systems? Split-phase power systems achieve…

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The Common-collector Amplifier

Our next transistor configuration to study is a bit simpler for gain…

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DIY EE Lab - Setting Up a Home Electronics Lab

To build the DIY electronics projects described in this textbook, you will need a small work area, a few tools, and some basic electronics supplies. This page describes the setup of a low-cost home electronics laboratory.

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Inductor Voltage and Current Relationship

Inductors do not have a stable “resistance” as conductors…

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Introduction to Boolean Algebra

Mathematical rules are based on the defining limits we place on the…

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Inductors

∫f(x) dx Calculus alert! A 5 H inductor is subjected to an electric…

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Noise Figure Calculator

A tool designed to calculate the noise figure of cascaded amplifiers

Tools

Capacitors

Identify some of the different types of capacitors, and their…

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Enhancement-type IGFETs

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Impedance Transformation

Standing waves at the resonant frequency points of an open- or…

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Waveguide Calculator (Rectangular)

This tool calculates the cutoff frequency of a rectangular waveguide

Tools

Microstrip Max Current Calculator

A calculator for solving the maximum current a microstrip can handle.

Tools

Half-Adder

As a first example of useful combinational logic, let’s build a…

Textbook

Battery Construction

The word battery simply means a group of similar components. In…

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Boolean Algebraic Identities

In mathematics, an identity is a statement true for all possible…

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Susceptance and Admittance

What is Conductance? In the study of DC circuits, the student of…

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Phase-locked Loops

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Multiplexers

A multiplexer, abbreviated mux, is a device that has multiple inputs…

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Complex Vector Addition

If vectors with uncommon angles are added, their magnitudes (lengths)…

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Decimal versus Binary Numeration

Let’s count from zero to twenty using four different kinds of…

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Basic Troubleshooting Strategies

A chandelier has five light bulbs in it, and one of them is not…

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The Unijunction Transistor (UJT)

Unijunction transistor: Although a unijunction transistor is not a…

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Complex Number Arithmetic

Since complex numbers are legitimate mathematical entities, just like…

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Vectors and AC Waveforms

OK, so how exactly can we represent AC quantities of voltage or…

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DC Lab - Potentiometric Voltmeter

In this hands-on electronics experiment, you will build a null-balancing potentiometric voltmeter and learn how to prevent a voltmeter from changing the voltage it is measuring.

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Phasor Mathematics

Provide a definition for phasor, as the term applies to electrical…

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Conductors and Insulators

Given two lengths of metal wire, which one will have the least…

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Light-Pulse Switch

It is fairly important to use large value resistors (10 MΩ works…

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Contact “Normal” State and Make/Break Sequence

Any kind of switch contact can be designed so that the contacts…

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A 50-Ohm Cable?

Early in my explorations of electricity, I came across a length of…

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Rules for Antiderivatives

Constant Rule     Rule of Sums     Rule of…

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The “Operational” Amplifier

Long before the advent of digital electronic technology, computers…

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Zener Diodes

Don’t just sit there! Build something!! Learning to mathematically…

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Principles of Radio

One of the more fascinating applications of electricity is in the…

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