Categories

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

AC Motor Control Circuits

Worksheets - Motor Control

Perhaps the most challenging aspect of interpreting ladder diagrams,…

Intermediate Electromagnetism and Electromagnetic Induction

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As an electric current is passed through a coil of wire, it creates a…

Stepper Motors

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

Torque Conversion Calculator

Tools

A tool designed to convert between units of torque

555 Lab - LED Flasher with Inductive Flyback

Textbook

In this hands-on electronics experiment, build a multiple LED flasher and learn how to use inductive flyback to generate a voltage pulse that is greater than the supply voltage.

AC Instrumentation Transducers

Textbook

Just as devices have been made to measure certain physical quantities…

Design Project: DC Motor

Worksheets - Motor Control

The armature windings of your DC motor will have very low resistance.…

Motor Control Circuits

Textbook

The interlock contacts installed in the previous section’s motor…

Reluctance Motor

Textbook

The variable reluctance motor is based on the principle that an…

Tesla Polyphase Induction Motors

Textbook

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

Wound Rotor Induction Motors

Textbook

A wound rotor induction motor has a stator like a squirrel cage…

DC Lab - Potentiometer as a Rheostat

Textbook

In this hands-on electronics experiment, you will use a potentiometer as a variable resistor to control the speed of a motor and learn how to connect a potentiometer as a rheostat.

Rectifier Circuits

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

DC Generator Theory

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Generators used in battery-charging systems must be regulated so as to…

Linear Computational Circuitry

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

Basic Troubleshooting Strategies

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

Electric Shock

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It is sometimes said regarding electrical safety that, Ït’s not the…

DC Motor Theory

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

Oscilloscope Trigger Controls

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A very useful tool for observing rotating objects is a strobe light.…

Analog and Digital Signals

Textbook

Instrumentation is a field of study and work centering on measurement…

Diodes

Textbook

A diode is an electronics component made from a combination of a…

AC Phase

Textbook

Things start to get complicated when we need to relate two or more AC…

Parallel Circuits and the Application of Ohm’s Law

Textbook

In this introduction to parallel resistance circuits, we will explain…

Why digital?

Textbook

Although many textbooks provide good introductions to digital memory…

Decibels

Textbook

The Bel is Used to Represent Gain In its simplest form, an…

Edge-triggered Latches: Flip-Flops

Textbook

So far, we’ve studied both S-R and D latch circuits with enable…

Introduction to Shift Registers

Textbook

Shift registers, like counters, are a form of sequential logic.…

Resistance, Reactance, and Impedance

Worksheets - Motor Control

What will happen to the brightness of the light bulb as the iron core…

Conventional Transistor Overview and Special Transistors

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A microcontroller is a specialized type of digital computer used to…

Rectifier Circuits

Textbook

What is Rectification? Now we come to the most popular application of…

Capacitors and Calculus

Textbook

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

Design Project: Radio Transmitter

Worksheets - Motor Control

Research the FCC (Federal Communication Commission) guidelines on…

Skin Depth Calculator

Tools

A tool designed to calculate skin depth based on the conductive material being used and the frequency of the signal.

Performance-Based Assessments for Analog Integrated Circuit Competencies

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Fail-safe Design

Textbook

Logic circuits, whether comprised of electromechanical relays or…

Operational Amplifier Models

Textbook

While mention of operational amplifiers typically provokes visions of…

LC Resonant Frequency Calculator

Tools

A circuit with an inductor (L) and capacitor (C) connected in parallel or series will have a resonant frequency at which their impedances are equal. Given two of the three values—inductance, capacitance, or resonant frequency—this tool will calculate the missing third variable.

Impedance Transformation

Textbook

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

Half-Adder

Textbook

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

The Common-source Amplifier (IGFET)

Textbook

AC Lab - Noise Cancellation

Textbook

In this hands-on AC electronics experiment, you will use an AC voltage source connected to speakers to learn about sound waves and the foundational principle used in noise cancelling headphones.

Solid-state Relays

Textbook

Limitations of Electromechanical Relays As versatile as…

Superconductivity

Textbook

Conductors lose all of their electrical resistance when cooled to…

Band-stop Filters

Textbook

How to Create a Band-stop Filter? Also called band-elimination,…

Time Constant Equations

Textbook

Value of time constant in series RC and RL circuits   Time…

Microstrip Impedance Calculator

Tools

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

AC Waveforms

Textbook

When an alternator produces AC voltage, the voltage switches polarity…

Algebraic Equation Manipulation for Electric Circuits

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The electrical resistance of a conductor at any temperature may be…

Transistors, Insulated-gate Field-effect (IGFET or MOSFET)

Textbook

We have the symbols for depletion mode and enhancement mode MOSFETs -…

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Current Divider Circuits

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

Input and Output Coupling

Textbook

To overcome the challenge of creating necessary DC bias voltage for an…

Calculus for Electric Circuits

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∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…

Ohm’s Law (again!)

Textbook

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

The Silicon-Controlled Switch (SCS)

Textbook

If we take the equivalent circuit of an SCR and add another external…

From Electric to Electronic

Textbook

Introduction This third volume of the book series Lessons In Electric…

Practical Considerations - Batteries

Textbook

When connecting batteries together to form larger “banks”…

Karnaugh Mapping

Worksheets - Motor Control

Identify each of these logic gates by name, and complete their…

Summary of Filters

Textbook

As lengthy as this chapter has been up to this point, it only begins…