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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…

CMOS 555 Long Duration Red LED Flasher

Textbook

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

Convert MCD to Lumens

Tools

This calculator is useful for calculating the luminous flux for LEDs where the angle is known.

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…

Circuits and the Speed of Light

Textbook

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

AC Motor Theory

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

Thyristor Application Circuits

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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…

Switches

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

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN transistor—models…

Series-Parallel DC Circuits

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

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.

CMOS 555 Long Duration Blue LED Flasher

Textbook

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

Special-purpose Diodes

Textbook

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

CMOS 555 Long Duration Minimum Parts Red LED Flasher

Textbook

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

Thyristors

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

Light-Pulse Switch

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

Design Project: LED Stroboscope

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

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

Simple Circuits

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

Temperature Coefficients of Resistance Table

Textbook

Temperature Coefficients of Resistance at 20 Degrees Celsius Material…

Introduction to Discrete Semiconductor Circuits

Textbook

A semiconductor device is one made of silicon or any number of other…

Polyphase Motor Design

Textbook

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

555 Audio Oscillator

Textbook

PARTS AND MATERIALS Two 6 volt batteries One capacitor, 0.1 µF,…

Radio Circuits

Textbook

(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…

Tubes versus Semiconductors

Textbook

Devoting a whole chapter in a modern electronics text to the design…

Derivatives of Power Functions of e

Textbook

Example Derivatives of e Proportionality Constant When we say that a…

Parallel Circuit Rules

Textbook

Components in a parallel circuit share the same voltage: Etotal = E1…

Microstrip Crosstalk Calculator

Tools

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

Millman’s Theorem

Textbook

In Millman’s Theorem, the circuit is re-drawn as a parallel…

Display Tubes

Textbook

In addition to performing tasks of amplification and switching, tubes…

Contributors (11)

Textbook

Contributors to this chapter are listed in chronological order of…

Electromagnetism Experiment

Textbook

PARTS AND MATERIALS 6-volt battery Magnetic compass Small permanent…

Differentiator and Integrator Circuits

Textbook

By introducing electrical reactance into the feedback loops of op-amp…

Building Series-Parallel Resistor Circuits

Textbook

Once again, when building battery/resistor circuits, the student or…

Unit Conversion Calculator

Tools

Convert to and from different units of length, weight, power, temperature and torque

Electrical Connections

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

The NOT Gate

Textbook

The single-transistor inverter circuit illustrated earlier is actually…

Capacitors

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Identify some of the different types of capacitors, and their…

Bandpass Filter Calculator

Tools

This calculates values of the inductance, capacitance of an inductor and capacitor used in a Butterworth LC bandpass filter.

Design Project: Logic Probe

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What factors determine where potentiometers Rpot1 and Rpot2 must be…

Monostable Multivibrators

Textbook

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

Derivatives of Power Functions of e

Textbook

Example Derivatives of e Proportionality Constant When we say that a…

Band Theory of Solids

Textbook

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

Circuit Wiring

Textbook

So far, we’ve been analyzing single-battery, single-resistor…

Numeration Systems

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Digital computers communicate with external devices through ports:…

Tank Circuit Resonance Calculator

Tools

This calculator computes the resonant frequency of a tank circuit

Design Project: AC-DC Power Supply

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

Electrical Transients

Textbook

This chapter explores the response of capacitors and inductors to…

Fail-safe Design

Textbook

Logic circuits, whether comprised of electromechanical relays or…

Strain Gauges

Textbook

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

Design Project: Radio Transmitter

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Research the FCC (Federal Communication Commission) guidelines on…

Parallel Resistor-Inductor Circuits

Textbook

Let’s take the same components for our series example circuit…

A 50-Ohm Cable?

Textbook

Early in my explorations of electricity, I came across a length of…

Bipolar Junction Transistor (BJT) theory

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

Practical Power Factor Correction

Textbook

When the need arises to correct for poor power factor in an AC power…

Basic Logic Gates

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Identify the type of logic gate shown in this schematic diagram, and…

Power in Electric Circuits

Textbook

In addition to voltage and current, there is another important…

Parallel Resistor-Capacitor Circuits

Textbook

Using the same value components in our series example circuit, we will…

Time Constant Calculations

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