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Arc Flash and Arc Blast

Arc Flash and Arc Blast

Electromechanical relays used to start and stop high-power electric…


Worksheets - Electromechanical

Switch Types

Switch Types

Though it may seem strange to cover the elementary topic of electrical…


Textbook

Flip-Flop Circuits

Flip-Flop Circuits

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


Worksheets - Electromechanical

Reluctance Motor

Reluctance Motor

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


Textbook

Performance-Based Assessments for DC Circuit Competencies

Performance-Based Assessments for DC Circuit Competencies

(Template)


Worksheets - Electromechanical

Polyphase Motor Design

Polyphase Motor Design

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


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Inductor Commutating Circuits

Inductor Commutating Circuits

A popular use of diodes is for the mitigation of inductive…


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Voltage Regulation

Voltage Regulation

As we saw in a few SPICE analyses earlier in this chapter, the output…


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Brushless DC Motor

Brushless DC Motor

Brushless DC motors were developed from conventional brushed DC motors…


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Electromechanical Relay Logic

Electromechanical Relay Logic

In ladder logic symbolism, an electromechanical relay coil is shown as…


Worksheets - Electromechanical

DC Motor Theory

DC Motor Theory

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


Worksheets - Electromechanical

Protective Relays

Protective Relays

A special type of relay is one that monitors the current, voltage,…


Textbook

TTL Logic Gates

TTL Logic Gates

Counting practice: count from zero to thirty-one in binary, octal, and…


Worksheets - Electromechanical

Flyback Switch Mode Regulator Calculator

Flyback Switch Mode Regulator Calculator

A calculator for computing several parameters needed in the design of a flyback switch mode regulator


Tools

Switches, Electrically Actuated (Relays)

Switches, Electrically Actuated (Relays)

The structure behind ladder logic is based on the electrical ladder…


Textbook

Light-Pulse Switch

Light-Pulse Switch

It is fairly important to use large value resistors (10 MΩ works…


Worksheets - Electromechanical

Series and Parallel AC Circuits

Series and Parallel AC Circuits

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


Worksheets - Electromechanical

Insulated Gate Bipolar Transistors

Insulated Gate Bipolar Transistors

What is an Insulated Gate Bipolar Transistor (IGBT), and what…


Worksheets - Electromechanical

The S-R Latch

The S-R Latch

A bistable multivibrator has two stable states, as indicated by the…


Textbook

Permissive and Interlock Circuits

Permissive and Interlock Circuits

A practical application of switch and relay logic is in control…


Textbook

DC Mesh Current Analysis

DC Mesh Current Analysis

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


Worksheets - Electromechanical

Resistivity Calculator

Resistivity Calculator

This calculator calculates the resistivity of a component based on its resistance value, length, and cross-sectional area.


Tools

Design Project: Dual-output AC-DC Power Supply

Design Project: Dual-output AC-DC Power Supply

Safety is very important when designing and/or building a device…


Worksheets - Electromechanical

555 Lab - Monostable Multivibrator (One-shot)

555 Lab - Monostable Multivibrator (One-shot)

In this hands-on electronics experiment, you will build a monostable multivibrator using a 555 timer IC and learn about RC time constant charging and how a one-shot timer operates.


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Resistors Types

Resistors Types

These are the most common types of resistors available. Resistors…


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Binary Addition

Binary Addition

The Rules of Binary Addition Adding binary numbers is a very simple…


Textbook

LC Tank Circuit Resonance Calculator

LC Tank Circuit Resonance Calculator

This calculator computes the resonant frequency of a parallel inductor and capacitor "tank" circuit.


Tools

Mutual Inductors

Mutual Inductors

Mutual inductors are inductors that capitalize the effect of mutual…


Textbook

Power in Electric Circuits

Power in Electric Circuits

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


Textbook

More on AC “polarity”

More on AC “polarity”

Complex numbers are useful for AC circuit analysis because they…


Textbook

Introduction to Boolean Algebra

Introduction to Boolean Algebra

Mathematical rules are based on the defining limits we place on the…


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Circuit Wiring

Circuit Wiring

So far, we’ve been analyzing single-battery, single-resistor…


Textbook

Noise Figure and Noise Temperature Calculator

Noise Figure and Noise Temperature Calculator

This calculator computes the noise figure and noise temperature in a system


Tools

Voltage and Current

Voltage and Current

As was previously mentioned, we need more than just a continuous path…


Textbook

Introduction to Complex Numbers

Introduction to Complex Numbers

If I needed to describe the distance between two cities, I could…


Textbook

EIRP Calculator

EIRP Calculator

A helpful tool for computing the Effective Isotropic Radiated Power (EIRP) of an antenna


Tools

Mesh Current Method (Loop Current Method)

Mesh Current Method (Loop Current Method)

This page provides a step-by-step introduction to using the mesh…


Textbook

An Electric Pendulum

An Electric Pendulum

Capacitors store energy in the form of an electric field, and…


Textbook

AC Instrumentation Transducers

AC Instrumentation Transducers

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


Textbook

Performance-Based Assessments for Semiconductor Circuit Competencies

Performance-Based Assessments for Semiconductor Circuit Competencies


Worksheets - Electromechanical

Valence and Crystal Structure

Valence and Crystal Structure

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


Textbook

Vol III. Credits

Vol III. Credits

All entries arranged in alphabetical order of surname. Major…


Textbook

What Are Zener Diodes?

What Are Zener Diodes?

What Is a Zener Diode? A Zener diode is a special type of rectifying…


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Demultiplexers

Demultiplexers

A demultiplexer, sometimes abbreviated dmux, is a circuit that has one…


Textbook

DC Lab - Series Batteries

DC Lab - Series Batteries

In this hands-on electronics experiment, you will connect batteries in series and learn the relationship between the individual battery voltages and the total series voltage.


Textbook

DC Branch Current Analysis

DC Branch Current Analysis

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


Worksheets - Electromechanical

Likely Failures in Unproven Systems

Likely Failures in Unproven Systems

“All men are liable to error;” —John Locke Whereas…


Textbook

Power Sources

Power Sources

There are many different types of power sources, and here some of the…


Textbook

Inductor Sizing Equation

Inductor Sizing Equation

The Inductance Formula     Wheeler’s formulas for…


Textbook

Resonant Filters

Resonant Filters

So far, the filter designs we’ve concentrated on have employed…


Textbook

Battery Life Calculator

Battery Life Calculator

This calculator provides three options—basic, intermediate, and advanced—for determining expected battery life for microcontroller, Internet of Things (IoT), and edge processing systems with up to four different operating modes.


Tools

Voltmeter Impact on Measured Circuit

Voltmeter Impact on Measured Circuit

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


Textbook

Meter Check of a Diode

Meter Check of a Diode

The Functionality of Diode Polarity Being able to determine the…


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pH Measurement

pH Measurement

A very important measurement in many liquid chemical processes…


Textbook

Decibel Measurements

Decibel Measurements

During the early development of telephone technology, a unit was…


Worksheets - Electromechanical

Frequency and Phase Measurement

Frequency and Phase Measurement

An important electrical quantity with no equivalent in DC circuits is…


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Winding Configurations

Winding Configurations

Transformers with Multiple Secondaries Transformers are very versatile…


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Binary Subtraction

Binary Subtraction

We can subtract one binary number from another by using the standard…


Textbook

Parallel R, L, and C

Parallel R, L, and C

We can take the same components from the series circuit and rearrange…


Textbook

Basic Electromagnetism and Electromagnetic Induction

Basic Electromagnetism and Electromagnetic Induction

When lightning strikes, nearby magnetic compass needles may be seen to…


Worksheets - Electromechanical