All About Circuits

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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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DC Motor Control Circuits

DC Motor Control Circuits

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


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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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Monostable Multivibrators

Monostable Multivibrators

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


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Resonance

Resonance

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


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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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Fuses

Fuses

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


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Monostable Multivibrators

Monostable Multivibrators

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


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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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Flip-Flop Circuits

Flip-Flop Circuits

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


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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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Light-Pulse Switch

Light-Pulse Switch

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


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Encoders and Decoders

Encoders and Decoders

What does it mean, in general terms, to encode something? Conversely,…


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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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Reluctance Motor

Reluctance Motor

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


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Torque Conversion Calculator

Torque Conversion Calculator

A tool designed to convert between units of torque


Tools

AC Motor Theory

AC Motor Theory

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


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The Silicon-Controlled Switch (SCS)

The Silicon-Controlled Switch (SCS)

If we take the equivalent circuit of an SCR and add another external…


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Contactors

Contactors

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


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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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Series and Parallel AC Circuits

Series and Parallel AC Circuits

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


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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

High Voltage Ohmmeters

High Voltage Ohmmeters

Most ohmmeters of the design shown in the previous section utilize a…


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Hysteresis

Hysteresis

Thyristors are a class of semiconductor components exhibiting…


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Servo Motor Systems

Servo Motor Systems

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


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Design Project: Arbitrary Waveform Generator

Design Project: Arbitrary Waveform Generator

What, exactly, is an arbitrary waveform generator, and for what…


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What is Network Analysis?

What is Network Analysis?

The basic application of Ohm’s law to combinations of series and…


Textbook

True, Reactive, and Apparent Power

True, Reactive, and Apparent Power

Reactive Power We know that reactive loads such as inductors and…


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Re-drawing Complex Schematics

Re-drawing Complex Schematics

Typically, complex circuits are not arranged in nice, neat, clean…


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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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Contributors (11)

Contributors (11)

Contributors to this chapter are listed in chronological order of…


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Contributors (4)

Contributors (4)

Contributors to this chapter are listed in chronological order of…


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Bipolar Junction Transistors

Bipolar Junction Transistors

The bipolar junction transistor (BJT) was named because its operation…


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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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Boolean Algebraic Properties

Boolean Algebraic Properties

Another type of mathematical identity, called a “property”…


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Kirchhoff’s Current Law (KCL)

Kirchhoff’s Current Law (KCL)

What Is Kirchhoff’s Current Law? Kirchhoff’s Current Law,…


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Meter Check of a Transistor (BJT)

Meter Check of a Transistor (BJT)

Bipolar transistors are constructed of a three-layer semiconductor…


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RF Power Conversion Calculator

RF Power Conversion Calculator

A tool designed to convert RF power from watts to decibels and vice versa


Tools

Introduction to Diodes And Rectifiers

Introduction to Diodes And Rectifiers

All About Diodes A diode is an electrical device allowing current to…


Textbook

Vol V. Credits

Vol V. Credits

All entries arranged in alphabetical order of surname. Major…


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What is Norton’s Theorem and the Norton Equivalent Circuit?

What is Norton’s Theorem and the Norton Equivalent Circuit?

This article explains the step-by-step process for determining the…


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Inductor Quirks

Inductor Quirks

In an ideal case, an inductor acts as a purely reactive device. That…


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Introduction to Operational Amplifiers (Op-amps)

Introduction to Operational Amplifiers (Op-amps)

What is an Operational Amplifier (Op-amp)? Operational Amplifiers,…


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DC Bridge Circuits

DC Bridge Circuits

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


Worksheets - MEMS