All About Circuits

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Monostable Multivibrators

Monostable Multivibrators

We’ve already seen one example of a monostable multivibrator in…


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Switch Contact Design

Switch Contact Design

A switch can be constructed with any mechanism bringing two conductors…


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The Bipolar Junction Transistor (BJT) as a Switch

The Bipolar Junction Transistor (BJT) as a Switch

Bipolar junction transistors (Also known as BJTs) can be used as an…


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Resonance

Resonance

The Q factor of a series inductive circuit is given by the following…


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Latch Circuits

Latch Circuits

What do you think this logic buffer gate will do, with the output…


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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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Programmable Logic Controllers (PLC)

Programmable Logic Controllers (PLC)

Before the advent of solid-state logic circuits, logical control…


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Contactors

Contactors

All About Contactors When a relay is used to switch a large amount of…


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Relay Construction

Relay Construction

Electricity and Magnetism An electric current through a conductor will…


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Contact “Normal” State and Make/Break Sequence

Contact “Normal” State and Make/Break Sequence

Any kind of switch contact can be designed so that the contacts…


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Protective Relays

Protective Relays

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


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Si Lab - Bipolar Transistor as a Switch

Si Lab - Bipolar Transistor as a Switch

In this hands-on semiconductor electronics experiment, use a bipolar junction transistor (BJT) to switch an LED and learn about the current their amplification.


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Performance-Based Assessments for DC Circuit Competencies

Performance-Based Assessments for DC Circuit Competencies

(Template)


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Thyristor Application Circuits

Thyristor Application Circuits

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


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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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Si Lab - Commutating Diode

Si Lab - Commutating Diode

In this hands-on semiconductor electronics experiment, build a simple circuit that will teach you how to use a commutating diode to reduce inductive kickback.


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Time-Delay Electromechanical Relays

Time-Delay Electromechanical Relays

What does the normal status of an electrical switch refer to?…


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Switches, Electrically Actuated (Relays)

Switches, Electrically Actuated (Relays)

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


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Time-delay Relays

Time-delay Relays

What are Time-Delay Relays? Some relays are constructed with a kind of…


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Three-phase Transformer Circuits

Three-phase Transformer Circuits

Since three-phase is used so often for power distribution systems, it…


Textbook

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

AC Lab - Build a Transformer

AC Lab - Build a Transformer

In this hands-on AC electronics experiment, build a simple transformer and learn some important transformer fundamentals including voltage step-up and step-down.


Textbook

AC Motor Theory

AC Motor Theory

Electromechanical watt-hour meters use an aluminum disk that is spun…


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CMOS Logic Gates

CMOS Logic Gates

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


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Time Constant Calculations

Time Constant Calculations

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


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Protective Relay Circuits

Protective Relay Circuits

Protective relays are special power-sensing devices whose job it is to…


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Semiconductor Manufacturing Techniques

Semiconductor Manufacturing Techniques

The manufacture of only silicon based semiconductors is described…


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Current Mirror BJTs

Current Mirror BJTs

Bipolar Junction Transistor or BJT Current Mirror An often-used…


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Component Modeling

Component Modeling

When plotted on a curve tracer, the characteristic curve for a normal…


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Bipolar Junction Transistor (BJT) theory

Bipolar Junction Transistor (BJT) theory

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


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What is the Relationship Between Conductance and Resistance?

What is the Relationship Between Conductance and Resistance?

The concept and measurement units of resistance are most often used…


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Resistance

Resistance

The circuit in the previous section is not a very practical one. In…


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Mixed-Frequency Signals

Mixed-Frequency Signals

What is a harmonic frequency? If an oscillator circuit outputs a…


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Voltage Divider Circuits

Voltage Divider Circuits

Let’s analyze a simple series circuit and determine the voltage…


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Heat Sink Calculator

Heat Sink Calculator

This calculator helps determine the maximum temperature a device can withstand


Tools

Contributors (16)

Contributors (16)

Contributors to this chapter are listed in chronological order of…


Textbook

Series and Parallel AC Circuits

Series and Parallel AC Circuits

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


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What Are Electric Circuits?

What Are Electric Circuits?

You might have been wondering how charges can continuously flow in a…


Textbook

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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Analog Lab - Voltage Comparator

Analog Lab - Voltage Comparator

In this hands-on electronics experiment, you will build an analog voltage comparator circuit and learn how open-loop operational amplifiers function.


Textbook

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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Contributors (3)

Contributors (3)

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


Textbook

Capacitor Transient Response

Capacitor Transient Response

Because capacitors store energy in the form of an electric field, they…


Textbook

Capacitance, Reactance, and Admittance Calculator

Capacitance, Reactance, and Admittance Calculator

A calculator for solving the capacitance, reactance, and admittance of a capacitor.


Tools

Vol V. Credits

Vol V. Credits

All entries arranged in alphabetical order of surname. Major…


Textbook

Op-amp Circuits

Op-amp Circuits

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


Worksheets - MEMS