Categories

What is Alternating Current (AC)?

Textbook

Most students of electricity begin their study with what is known as…

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

AC Generator Theory

Worksheets - DC Motors

If an electric current is passed through this wire, which direction…

DC Motor Control Circuits

Worksheets - DC Motors

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

DC Motor Theory

Worksheets - DC Motors

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

Polyphase Motor Design

Textbook

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

Basic Troubleshooting Strategies

Worksheets - DC Motors

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

Other Specialized Motors

Textbook

Shaded Pole Induction Motor An easy way to provide starting torque to…

Inductive Reactance

Worksheets - DC Motors

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

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Design Project: Stepper Motor Driver

Worksheets - DC Motors

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

Oscilloscope Trigger Controls

Worksheets - DC Motors

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

Linear Computational Circuitry

Worksheets - DC Motors

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

Step-up, Step-down, and Isolation Transformers

Worksheets - DC Motors

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

Pulse Width Modulation

Textbook

Pulse Width Modulation (PWM) uses digital signals to control power…

Vacuum Tube Audio Amplifier

Textbook

PARTS AND MATERIALS One 12AX7 dual triode vacuum tube Two power…

DC Generator Theory

Worksheets - DC Motors

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

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

Introduction to AC Motors

Textbook

After the introduction of the DC electrical distribution system by…

Motor Control Circuits

Textbook

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

Single-phase Induction Motors

Textbook

A three-phase motor may be run from a single-phase power source.…

Servo Motor Systems

Worksheets - DC Motors

Explain the operation of this “H-bridge” motor control circuit: At…

Link Budget Calculator

Tools

A Link Budget puts into account all gains and losses a signal goes through in a system as it is transmitted. The calculator calculates the power of the received signal given amplifier and antenna gains, and medium loss.

Signal Coupling

Textbook

PARTS AND MATERIALS 6 volt battery One capacitor, 0.22 µF…

Simple Op-Amp

Textbook

PARTS AND MATERIALS Two 6-volt batteries Four NPN…

Scientific Notation in SPICE

Textbook

The SPICE circuit simulation computer program uses scientific notation…

The Shockley Diode

Textbook

Our exploration of thyristors begins with a device called the…

Fuses

Textbook

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

Static Electricity Sensor

Textbook

PARTS AND MATERIALS One N-channel junction field-effect transistor,…

Inductor-Capacitor “tank” Circuit

Textbook

PARTS AND MATERIALS Oscilloscope Assortment of non-polarized…

Parallel Wire Inductance Calculator

Tools

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

Factorials

Textbook

Definition of a Factorial Denoted by the symbol “!” after…

Valence and Crystal Structure

Textbook

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

Contributors (13)

Textbook

Contributors to this chapter are listed in chronological order of…

Scientific Notation

Textbook

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

Series and Parallel Component Equivalent Values

Textbook

Series and Parallel Resistances     Series and Parallel…

Contributors (3)

Textbook

<p> Contributors to this chapter are listed in chronological…

Open-Loop OpAmp Circuits

Worksheets - DC Motors

Determine what the magnitude and polarity of the voltmeter’s…

Logarithms

Textbook

Definition of a Logarithm     “log” denotes a…

Performance-Based Assessments for Analog Integrated Circuit Competencies

Worksheets - DC Motors

Boolean Relationships on Venn Diagrams

Textbook

The fourth example has A partially overlapping B. Though, we will…

Wire Loop Inductance Calculator

Tools

This calculator helps you compute the inductance of a wire loop.