All About Circuits

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DC Motor Control Circuits

DC Motor Control Circuits

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


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DC Generator Theory

DC Generator Theory

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


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Design Project: DC Motor

Design Project: DC Motor

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


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Rectifier Circuits

Rectifier Circuits

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


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Boolean Algebra

Boolean Algebra

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


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Microcontroller Principles

Microcontroller Principles

Read the following quotation, and then research the term…


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What is Alternating Current (AC)?

What is Alternating Current (AC)?

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


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Stepper Motors

Stepper Motors

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


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Linear Computational Circuitry

Linear Computational Circuitry

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


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Reluctance Motor

Reluctance Motor

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


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AC Generator Theory

AC Generator Theory

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


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Stepper Motor Calculator

Stepper Motor Calculator

A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor


Tools

DC Motor Theory

DC Motor Theory

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


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Stepper Motors

Stepper Motors

Stepper Motor vs Servo Motor A stepper motor is a…


Textbook

AC Instrumentation Transducers

AC Instrumentation Transducers

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


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555 Lab - LED Flasher with Inductive Flyback

555 Lab - LED Flasher with Inductive Flyback

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.


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AC Lab - Induction Motor

AC Lab - Induction Motor

In this hands-on AC electronics experiment, build a simple AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.


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Torque Conversion Calculator

Torque Conversion Calculator

A tool designed to convert between units of torque


Tools

Servo Motor Systems

Servo Motor Systems

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


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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

Design Project: Audio Tone Control

Design Project: Audio Tone Control

Suppose you were installing a high-power stereo system in your car,…


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Metric Prefix Conversions

Metric Prefix Conversions

To express a quantity in a different metric prefix from how it was…


Textbook

Series Circuits and the Application of Ohm’s Law

Series Circuits and the Application of Ohm’s Law

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


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Boolean Arithmetic

Boolean Arithmetic

Let us begin our exploration of Boolean algebra by adding numbers…


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Ammeter Design

Ammeter Design

What would happen to this meter movement, if connected directly to a…


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Op-Amp Data

Op-Amp Data

Parametric data for all semiconductor op-amp models except the CA3130…


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Microwave Tubes

Microwave Tubes

For extremely high-frequency applications (above 1 GHz), the…


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Magnetism

Magnetism

A permanent magnet is a device that retains a magnetic field without…


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Zener Diodes

Zener Diodes

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


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Negative Feedback OpAmp Circuits

Negative Feedback OpAmp Circuits

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


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DeMorgan’s Theorems

DeMorgan’s Theorems

A mathematician named DeMorgan developed a pair of important rules…


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Contributors (5)

Contributors (5)

Contributors to this chapter are listed in chronological order of…


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Common Sources of Hazard

Common Sources of Hazard

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


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Mutual Inductance

Mutual Inductance

If two coils of wire are brought into close proximity with each other…


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AC Lab - Large Induction Motor

AC Lab - Large Induction Motor

In this hands-on AC electronics experiment, build a large AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.


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

Peak, Average, and RMS Measurements

Peak, Average, and RMS Measurements

How is it possible to assign a fixed value of voltage or current (such…


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Voltage Multipliers (Doublers, Triplers, Quadruplers, and More)

Voltage Multipliers (Doublers, Triplers, Quadruplers, and More)

A voltage multiplier is a specialized rectifier circuit producing…


Textbook

Positive Feedback

Positive Feedback

As we’ve seen, negative feedback is an incredibly useful…


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Temperature Coefficient of Resistance

Temperature Coefficient of Resistance

You might have noticed on the table for specific resistances that all…


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