All About Circuits

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Special Transformers and Applications

Special Transformers and Applications

Impedance Matching Because transformers can step voltage and current…


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Practical Considerations - Capacitors

Practical Considerations - Capacitors

Capacitors, like all electrical components, have limitations that must…


Textbook

DC Lab - Build Your Own Multimeter

DC Lab - Build Your Own Multimeter

In this hands-on electronics experiment, you will build a simple voltmeter and ammeter while learning some fundamentals about circuit measurements.


Textbook

Polyphase Power Systems

Polyphase Power Systems

Explain the difference between a balanced polyphase system and an…


Worksheets - Layout

Basic Ammeter Use

Basic Ammeter Use

Show how this ammeter would be connected to the light bulb circuit to…


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Mutual Inductance and Basic Operation

Mutual Inductance and Basic Operation

Behaviors of Inductors wrapped around a Conductive Core Suppose we…


Textbook

Bipolar Junction Transistor (BJT) theory

Bipolar Junction Transistor (BJT) theory

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


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Performance-Based Assessments for Basic Electricity Competencies

Performance-Based Assessments for Basic Electricity Competencies

(Template)


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Voltmeter Design

Voltmeter Design

Suppose I were about to measure an unknown voltage with a manual-range…


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Inductance

Inductance

∫f(x) dx Calculus alert! One of the fundamental principles of…


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Design Project: Power Inverter

Design Project: Power Inverter

A common topology for DC-AC power converter circuits uses a pair of…


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Electrical Connections

Electrical Connections

What, exactly, is necessary to establish electrical continuity between…


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Series-Parallel DC Circuits

Series-Parallel DC Circuits

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


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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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Factors Affecting Inductance

Factors Affecting Inductance

There are four basic factors of inductor construction determining the…


Textbook

Printed Circuit Board Layout and Manufacture

Printed Circuit Board Layout and Manufacture

When a PCB designer speaks of dimensions in thous or mils, what does…


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Simple Circuits

Simple Circuits

Shown here is the schematic symbol for a resistor: What is the purpose…


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Basic Voltmeter Use

Basic Voltmeter Use

What will this voltmeter register when connected to a battery as shown…


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Microstrip Trace Width Calculator

Microstrip Trace Width Calculator

This tool is designed to compute for the trace width of a microstrip


Tools

Heat Sink Calculator

Heat Sink Calculator

This calculator helps determine the maximum temperature a device can withstand


Tools

Basic Circuit Troubleshooting

Basic Circuit Troubleshooting

Determine if the light bulb will de-energize for each of the following…


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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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Low-pass Filters

Low-pass Filters

By definition, a low-pass filter is a circuit offering easy passage to…


Textbook

Basic Voltmeter Use

Basic Voltmeter Use

What will this voltmeter register when connected to a battery as shown…


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Basic Oscilloscope Operation

Basic Oscilloscope Operation

An oscilloscope is a very useful piece of electronic test equipment.…


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Polyphase Power Systems

Polyphase Power Systems

Explain the difference between a balanced polyphase system and an…


Worksheets - Layout

Microstrip Trace Width Calculator

Microstrip Trace Width Calculator

This tool is designed to compute for the trace width of a microstrip


Tools

DIY EE Lab - Setting Up a Home Electronics Lab

DIY EE Lab - Setting Up a Home Electronics Lab

To build the DIY electronics projects described in this textbook, you will need a small work area, a few tools, and some basic electronics supplies. This page describes the setup of a low-cost home electronics laboratory.


Textbook

Printed Circuit Board Layout and Manufacture

Printed Circuit Board Layout and Manufacture

When a PCB designer speaks of dimensions in thous or mils, what does…


Worksheets - Layout

Stripline Crosstalk Calculator

Stripline Crosstalk Calculator

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


Tools

Mutual Inductance and Basic Operation

Mutual Inductance and Basic Operation

Behaviors of Inductors wrapped around a Conductive Core Suppose we…


Textbook

Practical Considerations - Capacitors

Practical Considerations - Capacitors

Capacitors, like all electrical components, have limitations that must…


Textbook

Building Resistor Circuits Using Breadboards, Perfboards, and Terminal Strips

Building Resistor Circuits Using Breadboards, Perfboards, and Terminal Strips

Over the course of learning about electricity, you will want to…


Textbook

Broadside Coupled Trace Inductance Calculator

Broadside Coupled Trace Inductance Calculator

This calculator helps you compute the inductance of a broadside coupled trace.


Tools

Re-drawing Complex Schematics

Re-drawing Complex Schematics

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


Textbook

Minterm vs Maxterm Solution

Minterm vs Maxterm Solution

So far we have been finding Sum-Of-Product (SOP) solutions to logic…


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Resistors

Resistors

Because the relationship between voltage, current, and resistance in…


Textbook

Boolean Algebra

Boolean Algebra

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


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Semiconductor Manufacturing Techniques

Semiconductor Manufacturing Techniques

The manufacture of only silicon based semiconductors is described…


Textbook

Voltage and Current Calculations

Voltage and Current Calculations

There’s a sure way to calculate any of the values in a reactive…


Textbook

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.


Textbook

Design Project: Intercom System

Design Project: Intercom System

Design a passive circuit that will create a "split” ( V/-V) power…


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Ohm’s Law Practice Worksheet With Answers

Ohm’s Law Practice Worksheet With Answers

Define the following terms: energy, work, and power.


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Finite-length Transmission Lines

Finite-length Transmission Lines

A transmission line of infinite length is an interesting abstraction,…


Textbook

Critical Temperatures for Superconductors

Critical Temperatures for Superconductors

Critical temperatures given in Kelvins Material Element/Alloy Critical…


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Metric Notation

Metric Notation

The metric system, besides being a collection of measurement units for…


Textbook

Performance-Based Assessments for AC Circuit Competencies

Performance-Based Assessments for AC Circuit Competencies

(Template)


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Maximum Power Transfer Theorem

Maximum Power Transfer Theorem

The Maximum Power Transfer Theorem is not so much a means of analysis…


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Band Theory of Solids

Band Theory of Solids

Quantum physics describes the states of electrons in an atom according…


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Simple AC Circuit Calculations

Simple AC Circuit Calculations

Over the course of the next few chapters, you will learn that AC…


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AC Commutator Motors

AC Commutator Motors

Charles Proteus Steinmetz’s first job after arriving in America…


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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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Transistor Biasing Calculations

Transistor Biasing Calculations

Although transistor switching circuits operate without bias, it is…


Textbook

Wire Over Plane Inductance Calculator

Wire Over Plane Inductance Calculator

This calculator helps you compute the inductance of a wire-over-plane setup.


Tools

AC Lab - LC Tank Circuit

AC Lab - LC Tank Circuit

In this hands-on AC electronics experiment, build a parallel resonant inductor-capacitor circuit and learn about oscillation, resonant frequency, and damping.


Textbook

Inductor Quirks

Inductor Quirks

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


Textbook

Simulating JFET Circuits Using LTspice

Simulating JFET Circuits Using LTspice

Learn about junction field effect transistors (JFETs), their equations, and how to model and simulate JFETs in LTspice.


Textbook

Soldering

Soldering

Both soldering irons and soldering guns are tools used in the process…


Worksheets - Layout

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