Latest Harsh Environment Education

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Networks and Busses

Textbook

The wires between the tank and the monitoring location is  called…

Parallel Wire Inductance Calculator

Tools

This tool is designed to calculate the inductance of two parallel wires

Conductors and Insulators

Worksheets - Harsh Environment

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

Circuit Wiring

Textbook

So far, we’ve been analyzing single-battery, single-resistor…

Electrical Signal Types

Textbook

With BogusBus, our signals were very simple and straightforward: each…

Electrical Connections

Worksheets - Harsh Environment

What, exactly, is necessary to establish electrical continuity between…

Speed Distance Time Calculator

Tools

This calculator will solve for either distance, time, or speed given two of the three parameters.

Solving Simultaneous Equations: The Substitution Method and the Addition Method

Textbook

What are Simultaneous Equations and Systems of Equations? The terms…

Contact “Normal” State and Make/Break Sequence

Textbook

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

AC Motor Control Circuits

Worksheets - Harsh Environment

Perhaps the most challenging aspect of interpreting ladder diagrams,…

Permissive and Interlock Circuits

Textbook

A practical application of switch and relay logic is in control…

Wire Self Inductance Calculator

Tools

This calculator will help compute the inductance of a length of wire.

Wiring Color Codes Infographic

Textbook

Wiring Color Codes Infographic. Released under the Creative Commons…

Rules for Antiderivatives

Textbook

Constant Rule     Rule of Sums     Rule of…

Conductor Size

Textbook

It should be common-sense knowledge that liquids flow through…

Rules for Derivatives

Textbook

Constant rule Rule of sums Rule of differences Product rule Quotient…

AC Lab - Automotive Alternator as AC Generator

Textbook

In this hands-on AC electronics experiment, you will use an automotive alternator to generate three-phase AC voltage and learn how alternators can function as both generators and motors.

What is the Relationship Between Conductance and Resistance?

Textbook

The concept and measurement units of resistance are most often used…

Introduction to Conductance and Conductors

Textbook

By now you should be well aware of the correlation between electrical…

Switch Types

Textbook

Though it may seem strange to cover the elementary topic of electrical…

Three-phase Y and Delta Configurations

Textbook

Three-phase Wye(Y) Connection Initially, we explored the idea of…

AC Lab - Automotive Alternator as AC Generator

Textbook

In this hands-on AC electronics experiment, you will use an automotive alternator to generate three-phase AC voltage and learn how alternators can function as both generators and motors.

Finite-length Transmission Lines

Textbook

A transmission line of infinite length is an interesting abstraction,…

Digital Codes

Worksheets - Harsh Environment

Counting practice: count from zero to thirty-one in binary, octal, and…

Tubes versus Semiconductors

Textbook

Devoting a whole chapter in a modern electronics text to the design…

Likely Failures in Unproven Systems

Textbook

“All men are liable to error;” —John Locke Whereas…

Derivatives of Power Functions of e

Textbook

Example Derivatives of e Proportionality Constant When we say that a…

N-Way Power Divider Calculator

Tools

This calculator determines the total path loss provided by an RF n-way power splitter.

Electrical Noise and Interference

Worksheets - Harsh Environment

Define what noise means, in the electrical sense of the word. How does…

Principles of Radio

Textbook

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

Building a Differential Amplifier

Textbook

Differential Op-Amp Circuits An op-amp with no feedback is already a…

Read-Only Memory (ROM)

Textbook

Read-only memory (ROM) is similar in design to static or dynamic RAM…

Polyphase Motor Design

Textbook

AC Motors Perhaps the most important benefit of polyphase AC power…

Conductors, Insulators, and Electron Flow

Textbook

The electrons of different types of atoms have different degrees of…

Basic AC-DC Power Supplies

Worksheets - Harsh Environment

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

History of SPICE

Textbook

SPICE is a computer program designed to simulate analog electronic…

Fuses

Textbook

Normally, the ampacity rating of a conductor is a circuit design…

Tube Parameters

Textbook

For bipolar junction transistors, the fundamental measure of…

Si Lab - JFET Switching Circuit and Static Electricity Sensor

Textbook

In this hands-on semiconductor electronics experiment, use a junction field-effect transistor (JFET) to build a sensitive switching circuit and learn about JFET current gain.

Complex Vector Addition

Textbook

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

Solving Series and Parallel Circuits With the Table Method and Ohm’s Law

Textbook

The table method provides a structured methodology for ensuring you…