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Linear Computational Circuitry

Linear Computational Circuitry

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


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Brushless DC Motor

Brushless DC Motor

Brushless DC motors were developed from conventional brushed DC motors…


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AC Instrumentation Transducers

AC Instrumentation Transducers

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


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Wound Rotor Induction Motors

Wound Rotor Induction Motors

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


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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…


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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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Reluctance Motor

Reluctance Motor

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


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Lenz’s Law and Faraday’s Law Calculator

Lenz’s Law and Faraday’s Law Calculator

This calculator uses Faraday's and Lenz's laws to calculate the magnitude and polarity of the induced electromotive force (EMF) caused by a change in magnetic flux through a closed-loop coil.


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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.


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Motor Control Circuits

Motor Control Circuits

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


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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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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

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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Rectifier Circuits

Rectifier Circuits

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


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AC Lab - Automotive Alternator as AC Generator

AC Lab - Automotive Alternator as AC Generator

In this hands-on AC electronics experiment, you will use an automotive alternator to generate three-phase AC voltage and learn how alternators can function as both generators and motors.


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Introduction to AC Motors

Introduction to AC Motors

After the introduction of the DC electrical distribution system by…


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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…


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Electric Shock

Electric Shock

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


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History of SPICE

History of SPICE

SPICE is a computer program designed to simulate analog electronic…


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DC Lab - Sensitive Voltage Detector With Audio Output

DC Lab - Sensitive Voltage Detector With Audio Output

In this hands-on electronics experiment, you will construct a voltage detector with adjustable sensitivity and audio output, and you will learn a method for detecting small electrical signals without an oscilloscope.


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TTL NOR and OR gates

TTL NOR and OR gates

TTL Circuit Analysis Let’s examine the following TTL circuit and…


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Electrical Conduction in Semiconductors

Electrical Conduction in Semiconductors

In any electrically conductive substance, what are charge carriers?…


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Node Voltage Method

Node Voltage Method

The node voltage method of DC network analysis solves for unknown…


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Branch Current Method Analysis

Branch Current Method Analysis

The most straightforward DC network analysis technique is the branch…


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Factoring Equivalencies

Factoring Equivalencies

Factoring Identities :   a2 - b2 = (a + b) (a - b) a2 + 2ab + b2…


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Fundamentals of Radio Communication

Fundamentals of Radio Communication

What does the acronym RF stand form, in reference to radio-related…


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Octal and Hexadecimal Numeration

Octal and Hexadecimal Numeration

Because binary numeration requires so many bits to represent…


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Measurements of AC Magnitude

Measurements of AC Magnitude

So far we know that AC voltage alternates in polarity and AC current…


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Scientific Notation in SPICE

Scientific Notation in SPICE

The SPICE circuit simulation computer program uses scientific notation…


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Contributors (2)

Contributors (2)

Contributors to this chapter are listed in chronological order of…


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Boolean Algebra

Boolean Algebra

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


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Intro Lab - Build an Electromagnet

Intro Lab - Build an Electromagnet

In this hands-on electronics experiment, you will build an electromagnet and learn about electromagnetism including the relationship of magnetic polarity to current flow.


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Design Project: DC Voltage Regulator

Design Project: DC Voltage Regulator

It may seem difficult to even start on a project such as this, with no…


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DC Lab - Parallel Batteries

DC Lab - Parallel Batteries

In this hands-on electronics experiment, you will connect batteries in parallel to power a light and learn the relationship between the individual battery currents and the total system current.


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Band-pass Filters

Band-pass Filters

How to Create Band-pass Filter There are applications where a…


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The “Buffer” Gate

The “Buffer” Gate

If we were to connect two inverter gates together so that the output…


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AC Phase

AC Phase

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


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Edge Coupled Microstrip Impedance Calculator

Edge Coupled Microstrip Impedance Calculator

This tool helps calculate the impedance of an edge-coupled microstrip.


Tools

T-Pad Attenuator Calculator

T-Pad Attenuator Calculator

This calculator helps you determine the values of the resistors R1 and R2 to be used for a T-pad attenuator.


Tools

Microstrip Crosstalk Calculator

Microstrip Crosstalk Calculator

This tool is designed to calculate cross-talk coefficient and coupled voltage for a microstrip.


Tools

Diode Switching Circuits

Diode Switching Circuits

Diodes can perform switching and digital logic operations. Forward and…


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Differential Equations

Differential Equations

As opposed to normal equations where the solution is a number, a…


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Stepper Motors

Stepper Motors

Stepper Motor vs Servo Motor A stepper motor is a…


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Oscillator Circuits

Oscillator Circuits

Phase shift oscillator. R1C1, R2C2, and R3C3 each provide 60° of…


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Analog Lab - PWM Power Controller

Analog Lab - PWM Power Controller

In this hands-on electronics experiment, you will build a pulse-width modulator power controller for a light and learn the basics of PWM signals.


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Solving Unbalanced Wheatstone Bridge Circuits Via Mesh Current Method

Solving Unbalanced Wheatstone Bridge Circuits Via Mesh Current Method

An unbalanced Wheatstone bridge cannot be solved using simple series…


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Intro Lab - Ohm’s Law

Intro Lab - Ohm’s Law

Project Overview This project employs all of the skills…


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Field-effect-controlled Thyristors

Field-effect-controlled Thyristors

Two relatively recent technologies designed to reduce the…


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Vectors and AC Waveforms

Vectors and AC Waveforms

OK, so how exactly can we represent AC quantities of voltage or…


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Universal Shift Registers: Parallel-in, Parallel-out

Universal Shift Registers: Parallel-in, Parallel-out

The purpose of the parallel-in/ parallel-out shift register is to take…


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Microprocessors

Microprocessors

Early computer science pioneers such as Alan Turing and John Von…


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Introduction to Junction Field-effect Transistors (JFET)

Introduction to Junction Field-effect Transistors (JFET)

A transistor is a semiconductor device that controls current with the…


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Meter Check of a Transistor (JFET)

Meter Check of a Transistor (JFET)

Testing a JFET with a multimeter might seem to be a relatively easy…


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Conductor Ampacity

Conductor Ampacity

The smaller the cross-sectional area of any given wire, the greater…


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Si Lab - JFET Current Regulator

Si Lab - JFET Current Regulator

In this hands-on semiconductor electronics experiment, build a junction field-effect transistor (JFET) current regulator and learn some of the advantages of JFETs over BJTs for current regulation.


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Fail-safe Design

Fail-safe Design

Logic circuits, whether comprised of electromechanical relays or…


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Design Project: Telegraph System

Design Project: Telegraph System

What voltage will you choose to use for each of the station batteries?


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Capacitor Quirks

Capacitor Quirks

As with inductors, the ideal capacitor is a purely reactive device,…


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