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A more connected and convenient vehicle

In partnership with Texas Instruments

Our advancements in body electronics, infotainment and telematics technologies have made vehicles…

Analog Power and Signal Chain in Automotive Body Motor EEs

In partnership with Texas Instruments

Learn more about the end equipments power and signal chain components are part of in automotive body…

AC Motor Theory

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

Series-Parallel DC Circuits

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

Simple Circuits

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

AC phase

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If we were to express the series-connected DC voltages as phasors…

CMOS 555 Long Duration Blue LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

LED Resistor Calculator

Tools

An LED resistance calculator is perfect for when you have a single LED and need to know which resistor you should use.

Special-purpose Diodes

Textbook

Schottky diodes Schottky diodes are constructed of a metal-to-N…

CMOS 555 Long Duration Flyback LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Digital Display Circuits

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What is the purpose of a seven-segment decoder circuit? What is a…

Circuits and the Speed of Light

Textbook

Suppose we had a simple one-battery, one-lamp circuit controlled by a…

Thyristors

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

Rectifier Circuits

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

CMOS 555 Long Duration Minimum Parts Red LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Current Divider Circuits

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

LED Sequencer

Textbook

PARTS AND MATERIALS 4017 decade counter/divider (Radio Shack catalog…

Static Electricity

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What does it mean for an object to have an electric charge? Give an…

CMOS 555 Long Duration Red LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Thyristor Application Circuits

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

Switches

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What is the purpose of the switch shown in this schematic diagram?

Design Project: LED Stroboscope

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A technician uses a stroboscope to “freeze” the rotation of a…

Complex Voltage and Current Calculations

Textbook

There are circumstances when you may need to analyze a DC reactive…

Design Project: Telegraph System

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

Magnetic Fields and Inductance

Textbook

Whenever electrons flow through a conductor, a magnetic field will…

Analog-to-Digital Conversion

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The circuit shown here is a four-bit analog-to-digital converter…

Microstrip Impedance Calculator

Tools

This calculator helps you compute the characteristic impedance of a microstrip.

Introduction to Analog Integrated Circuits

Textbook

Analog circuits are circuits dealing with signals free to vary from…

Karnaugh Mapping

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Identify each of these logic gates by name, and complete their…

Bipolar Junction Transistors as Switches

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Solid-state switching circuits usually keep their constituent…

Strain Gauges

Textbook

If a strip of conductive metal is stretched, it will become skinnier…

Selsyn (Synchro) Motors

Textbook

Normally, the rotor windings of a wound rotor induction motor are…

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

Magnetic Units of Measurement

Textbook

If the burden of two systems of measurement for common quantities…

What is Alternating Current (AC)?

Textbook

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

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Polyphase Motor Design

Textbook

AC Motors Perhaps the most important benefit of polyphase AC power…

More on Spectrum Analysis

Textbook

Computerized Fourier analysis, particularly in the form of the FFT…

Norton’s Theorem

Textbook

What is Norton’s Theorem? Norton’s Theorem states that it…

Wiring Color Codes Infographic

Textbook

Wiring Color Codes Infographic. Released under the Creative Commons…

High-pass Filters

Textbook

A high-pass filter’s task is just the opposite of a low-pass…

555 Timer Monostable Circuit Calculator

Tools

This calculator computes for the output pulse width of a 555 timer monostable circuit

Regulated Power Sources

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

Design Project: Dual-output AC-DC Power Supply

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Safety is very important when designing and/or building a device…

Stepper Motors

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

Kirchhoff’s Current Law (KCL)

Textbook

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

Broadside Coupled Trace Inductance Calculator

Tools

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

Boolean Arithmetic

Textbook

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

Contributors (12)

Textbook

Contributors to this chapter are listed in chronological order of…

AC Resistor Circuits (Inductive)

Textbook

Instantaneous Values in AC Circuits Pure resistive AC circuit:…

Impedance

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

Design Project: Arbitrary Waveform Generator

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

Building Simple Resistor Circuits

Textbook

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

Analysis Techniques for Series Parallel Resistor Circuits

Textbook

Guidelines to Series-Parallel Combination Circuit Analysis The goal of…

Junction field-effect transistors (JFET)

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

The 555 IC

Textbook

The 555 integrated circuit is the most popular chip ever…

Rheostat Range Limiting

Textbook

PARTS AND MATERIALS Several 10 kΩ resistors One 10 kΩ…

Questions to Ask Before Proceeding

Textbook

Has the system ever worked before? If yes, has anything happened to…

Thermocouples

Textbook

Seebeck Effect An interesting phenomenon applied in the field of…

Band-stop Filters

Textbook

How to Create a Band-stop Filter? Also called band-elimination,…

Coil Inductance Calculator

Tools

This calculator helps you compute the inductance of a coil.

Magnetic Units of Measurement

Textbook

If the burden of two systems of measurement for common quantities…