Trace Resistance Calculator

This calculator determines the resistance of a microstrip trace

Tools

Copper Wire Ampacity Table

Ampacities of copper wire, in free air at 30o C: INSULATION TYPE…

Textbook

Wire Microstrip Impedance Calculator

A helpful tool for calculating the impedance of a wire microstrip.

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Polyphase Power Systems

Explain the difference between a balanced polyphase system and an…

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Performance-Based Assessments for Basic Electricity Competencies

(Template)

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Special Transformers and Applications

Impedance Matching Because transformers can step voltage and current…

Textbook

Electrical Connections

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

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Inductance

∫f(x) dx Calculus alert! One of the fundamental principles of…

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Stripline Trace Width Calculator

A calculator designed to calculate the trace width of a stripline based on the maximum current rating

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Re-drawing Complex Schematics

Typically, complex circuits are not arranged in nice, neat, clean…

Textbook

Basic Circuit Troubleshooting

Determine if the light bulb will de-energize for each of the following…

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Basic Oscilloscope Operation

An oscilloscope is a very useful piece of electronic test equipment.…

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Basic Ohmmeter Use

Explain how an ohmmeter is able to measure the resistance of a…

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Creating Custom Calibration Resistances

Often in the course of designing and building electrical meter…

Textbook

Low-pass Filters

By definition, a low-pass filter is a circuit offering easy passage to…

Textbook

Building Resistor Circuits Using Breadboards, Perfboards, and Terminal Strips

Over the course of learning about electricity, you will want to…

Textbook

Microstrip Impedance Calculator

This calculator helps you compute the characteristic impedance of a microstrip.

Tools

Stripline Crosstalk Calculator

This tool is designed to calculate cross-talk coefficient and coupled voltage for a stripline

Tools

Resistors

Because the relationship between voltage, current, and resistance in…

Textbook

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.

Textbook

Practical Power Factor Correction

When the need arises to correct for poor power factor in an AC power…

Textbook

Introduction to Electron Tubes

An often neglected area of study in modern electronics is that of…

Textbook

Stepper Motors

Stepper Motor vs Servo Motor A stepper motor is a…

Textbook

Transistor Ratings and Packages (IGFET)

Textbook

BJT Amplifier Troubleshooting

As an instructor of electronics, I am called upon frequently to help…

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Series and Parallel Inductors

When inductors are connected in series, the total inductance is the…

Textbook

Design Project: Signal Generator

Explain the principle of operation for the particular integrated…

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Special Diodes

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

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Advanced Electromagnetism and Electromagnetic Induction

∫f(x) dx Calculus alert! Electronic power conversion circuits known…

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Relay Construction

Electricity and Magnetism An electric current through a conductor will…

Textbook

Thyristors

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

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Reflection Attenuator Calculator

This tool is designed to calculate the value of resistance R1 in a reflection attenuator.

Tools

Why L/R and not LR?

Learn About L/R Time Constants It is often perplexing to new students…

Textbook

Miscellaneous Diode Applications

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

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Conductor Size

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

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Multi-Stage Transistor Amplifiers

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

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Introduction to Bipolar Junction Transistors (BJT)

The invention of the bipolar transistor in 1948 ushered in a…

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Voltmeter Impact on Measured Circuit

Every meter impacts the circuit it is measuring to some extent, just…

Textbook

Electrical Noise and Interference

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

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Resistors

Because the relationship between voltage, current, and resistance in…

Textbook