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Bipolar Junction Transistors as Switches

Bipolar Junction Transistors as Switches

Solid-state switching circuits usually keep their constituent…


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Tesla Polyphase Induction Motors

Tesla Polyphase Induction Motors

Most AC motors are induction motors. Induction motors are favored due…


Textbook

Memory Devices

Memory Devices

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


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AC Motor Control Circuits

AC Motor Control Circuits

Perhaps the most challenging aspect of interpreting ladder diagrams,…


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Stepper Motors

Stepper Motors

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


Worksheets - Harsh Environment

Series-Parallel DC Circuits

Series-Parallel DC Circuits

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


Worksheets - Harsh Environment

Parallel Resistor Calculator

Parallel Resistor Calculator

Calculate the equivalent resistance of up to six resistors in parallel with ease while learning how to calculate resistance in parallel and the parallel resistance formula.


Tools

Wheatstone Bridge Calculator

Wheatstone Bridge Calculator

This calculator helps determine the resistance of a variable resistor within a Wheatstone bridge circuit or the differential voltage created across the bridge terminals.


Tools

Selsyn (Synchro) Motors

Selsyn (Synchro) Motors

Normally, the rotor windings of a wound rotor induction motor are…


Textbook

Boolean Algebra

Boolean Algebra

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


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Synchronous Motors

Synchronous Motors

Single Phase Synchronous Motors Single-phase synchronous motors are…


Textbook

Design Project: Stepper Motor Driver

Design Project: Stepper Motor Driver

At first it may seem pointless to have the four buffer gates following…


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Polyphase Motor Design

Polyphase Motor Design

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


Textbook

Stepper Motors

Stepper Motors

Stepper Motor vs Servo Motor A stepper motor is a…


Textbook

Linear Computational Circuitry

Linear Computational Circuitry

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


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Thevenin’s, Norton’s, and Maximum Power Transfer Theorems

Thevenin’s, Norton’s, and Maximum Power Transfer Theorems

Suppose a 12 volt lead-acid battery has an internal resistance of 20…


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Brushless DC Motor

Brushless DC Motor

Brushless DC motors were developed from conventional brushed DC motors…


Textbook

DC Motor Theory

DC Motor Theory

If the ends of a wire loop are attached to two half-circular metal…


Worksheets - Harsh Environment

Tesla Polyphase Induction Motors

Tesla Polyphase Induction Motors

Most AC motors are induction motors. Induction motors are favored due…


Textbook

Principles of Radio

Principles of Radio

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


Textbook

Step-up, Step-down, and Isolation Transformers

Step-up, Step-down, and Isolation Transformers

Calculate the voltage output by the secondary winding of a transformer…


Worksheets - Harsh Environment

DC Motor Control Circuits

DC Motor Control Circuits

How is it possible to electrically measure the torque output by a…


Worksheets - Harsh Environment

Intro Lab - Resistor Power Dissipation

Intro Lab - Resistor Power Dissipation

In this hands-on electronics experiment, you will examine the heat generated by resistors and maybe even make one smoke! Also, learn to calculate power dissipation using Joule's law and resistor power ratings.


Textbook

VSWR / Return Loss Calculator

VSWR / Return Loss Calculator

A calculator designed to compute the VSWR, reflection coefficient, return loss and matching loss in a transmission line


Tools

Transistor Ratings and Packages (JFET)

Transistor Ratings and Packages (JFET)


Textbook

Capacitor Sizing Equation

Capacitor Sizing Equation

Capacitance Formula     Permittivity of Dielectric  …


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Biasing Techniques (IGFET)

Biasing Techniques (IGFET)


Textbook

The P-N Junction

The P-N Junction

If a block of P-type semiconductor is placed in contact with a block…


Textbook

Three-phase Transformer Circuits

Three-phase Transformer Circuits

Since three-phase is used so often for power distribution systems, it…


Textbook

Snell’s Law Calculator

Snell’s Law Calculator

Given three of the four input parameters (refractive indices, angles of incidence, and refraction) this tool calculates the missing variable based on Snell's law.


Tools

Design Project: Audio Media-Based Signal Generator

Design Project: Audio Media-Based Signal Generator

Identify some different ways you can create the sine-wave audio tracks…


Worksheets - Harsh Environment

Ohm’s Law (again!)

Ohm’s Law (again!)

A common phrase heard in reference to electrical safety goes something…


Textbook

Op-amp Circuits

Op-amp Circuits

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


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Scientific Notation

Scientific Notation

In many disciplines of science and engineering, very large and very…


Textbook

Tracking ADC

Tracking ADC

A third variation on the counter-DAC-based converter theme is, in my…


Textbook

RF Power Ratio Conversion Calculator

RF Power Ratio Conversion Calculator

This tool is designed to convert power ratios to decibel


Tools

Amplifier Gain

Amplifier Gain

The Voltage Gain Because amplifiers have the ability to increase the…


Textbook

General Troubleshooting Tips

General Troubleshooting Tips

When first approaching a failed or otherwise misbehaving system, the…


Textbook

Negative Feedback OpAmp Circuits

Negative Feedback OpAmp Circuits

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


Worksheets - Harsh Environment

Speed Distance Time Calculator

Speed Distance Time Calculator

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


Tools

Optothyristors

Optothyristors

Like bipolar transistors, SCRs and TRIACs are also manufactured as…


Textbook

DC Transducers

DC Transducers

Research and describe what the Hall effect is, and list some practical…


Worksheets - Harsh Environment