Categories

DIY EE Lab - Setting Up a Home Electronics Lab

Textbook

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.

AC Lab - Signal and Noise Coupling

Textbook

In this hands-on AC electronics experiment, power a DC motor through a multi-conductor cable to learn how AC signals are coupled between conductors and how to mitigate noise coupling.

Speed Distance Time Calculator

Tools

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

Derivative of a Constant

Textbook

    (“c” being a constant)   RELATED…

Non-right Triangle Trigonometry

Textbook

The Law of Sines (for any triangle) The Law of Cosines (for any…

Wire Self Inductance Calculator

Tools

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

Parallel Wire Inductance Calculator

Tools

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

Characteristic Impedance

Textbook

The Parallel Wires of Infinite Length Suppose, though, that we had a…

Contact “Normal” State and Make/Break Sequence

Textbook

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

Conductor Ampacity

Textbook

The smaller the cross-sectional area of any given wire, the greater…

Basic Troubleshooting Strategies

Worksheets - Cable Assemblies

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

Wire Over Plane Inductance Calculator

Tools

This calculator helps you compute the inductance of a wire-over-plane setup.

Insulator Breakdown Voltage

Textbook

The atoms in insulating materials have very tightly-bound electrons,…

What is the Relationship Between Conductance and Resistance?

Textbook

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

Three-phase Y and Delta Configurations

Textbook

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

Electrical Signal Types

Textbook

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

A 50-Ohm Cable?

Textbook

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

Conductors and Insulators

Worksheets - Cable Assemblies

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

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.

Common Sources of Hazard

Textbook

Of course, there is a danger of electrical shock when directly…

Copper Wire Gauge Table

Textbook

Solid Cooper Wire Table Size Diameter (inches) Cross-sectional area…

Building Resistor Circuits Using Breadboards, Perfboards, and Terminal Strips

Textbook

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

Electrical Isolation

Textbook

SPICE analysis of Electrical Isolation Aside from the ability to…

Power in Electric Circuits

Textbook

In addition to voltage and current, there is another important…

Measurement Circuits

Textbook

Figure below shows a photodiode amplifier for measuring low levels of…

DC Circuit Equations and Laws

Textbook

Power Equation of Ohm’s Law and Joule’s Law    …

Microstrip Max Current Calculator

Tools

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

Kirchhoff’s Current Law (KCL)

Textbook

What Is Kirchhoff’s Current Law? Kirchhoff’s Current Law,…

Radicals

Textbook

Definition of a Radical Given the expression where “x” is…

Introduction to Digital-Analog Conversion

Textbook

Connecting digital circuitry to sensor devices is simple if the sensor…

AC Inductor Circuits

Textbook

Resistors vs. Inductors Inductors do not behave the same way as…

Introduction to Junction Field-effect Transistors (JFET)

Textbook

A transistor is a semiconductor device that controls current with the…

Static Electricity

Textbook

It was discovered centuries ago that certain types of materials would…

Why L/R and not LR?

Textbook

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

Specific Resistance

Textbook

Designing Wire Resistance Conductor ampacity rating is a crude…

Bridged-Tee Attenuator Calculator

Tools

This calculator helps you determine the values of the resistors R1 and R2 to be used for a bridged-tee attenuator.

Noise Figure Calculator

Tools

A tool designed to calculate the noise figure of cascaded amplifiers

Network Protocols

Textbook

Aside from the issues of the physical network (signal types and…

RF Power Ratio Conversion Calculator

Tools

This tool is designed to convert power ratios to decibel

Valence and Crystal Structure

Textbook

Valence: The electrons in the outermost shell, or valence shell, are…

Resonance in Series-Parallel Circuits

Textbook

In simple reactive circuits with little or no resistance, the effects…

Solving Unbalanced Wheatstone Bridge Circuits Via Mesh Current Method

Textbook

An unbalanced Wheatstone bridge cannot be solved using simple series…

Converting Between Thevenin and Norton Equivalent Circuits

Textbook

Since Thevenin’s theorem and Norton’s theorems are two…