Categories

Ohm’s Law (again!)

Textbook

A common phrase heard in reference to electrical safety goes something…

What Is the Skin Effect?

Textbook

The Skin Depth of Copper in Electrical Engineering As previously…

Soldering

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

Signal Modulation

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A modern method of electrical power control involves inserting a…

Skin Depth Calculator

Tools

A tool designed to calculate skin depth based on the conductive material being used and the frequency of the signal.

ElectroStatic Discharge

Textbook

At the start of this book, we discussed static electricity and how it…

Timer Circuits

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

Design Project: Pulse-Width Modulation (PWM) Signal Generator

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What shape of voltage waveform would you expect to measure (using an…

Physiological Effects of Electricity

Textbook

Most of us have experienced some form of electric “shock,”…

Pulse Width Modulation

Textbook

Pulse Width Modulation (PWM) uses digital signals to control power…

AC Instrumentation Transducers

Textbook

Just as devices have been made to measure certain physical quantities…

Superconducting Devices

Textbook

Superconducting devices, though not widely used, have some unique…

Emergency Response

Textbook

Despite lock-out/tag-out procedures and multiple repetitions of…

Kirchhoff’s Laws

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Many electronic circuits use what is called a split or a dual power…

Light-Pulse Switch

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

Quantum Physics

Textbook

“I think it is safe to say that no one understands quantum…

Physical Effects of Electricity

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Certain substances are known to physically deform (shorten or…

Electric Shock

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It is sometimes said regarding electrical safety that, Ït’s not the…

Thyristors

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

Contributors (5)

Textbook

Contributors to this chapter are listed in chronological order of…

Electron Tubes

Textbook

Cathode:   This is the electrode that is heated and emits the…

What is Alternating Current (AC)?

Textbook

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

Building a Differential Amplifier

Textbook

Differential Op-Amp Circuits An op-amp with no feedback is already a…

Ammeter Design

Textbook

Ammeters Measure Electrical Current A meter designed to measure…

Contributors (4)

Textbook

Contributors to this chapter are listed in chronological order of…

Don’t Care Cells in the Karnaugh Map

Textbook

Up to this point we have considered logic reduction problems where…

Design Project: Simple Component Curve-Tracer Circuit

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What do each of the oscilloscope axes represent, in real-life terms…

The Silicon-Controlled Switch (SCS)

Textbook

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

Copper Wire Gauge Table

Textbook

Solid Cooper Wire Table Size Diameter (inches) Cross-sectional area…

Peak to Peak Voltage Calculator (VP-P)

Tools

This calculator shows the peak-to-peak voltage (VP-P) value from the peak voltage, RMS voltage, or average voltage.

Ring Counters

Textbook

If the output of a shift register is fed back to the input. a ring…

Contributors (10)

Textbook

Contributors to this chapter are listed in chronological order of…

Convert MCD to Lumens

Tools

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

3-bit Binary Counter

Textbook

PARTS AND MATERIALS 555 timer IC (Radio Shack catalog # 276-1723) One…

PN Junctions

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

Synchronous Counters

Textbook

What is a Synchronous Counter? A synchronous counter, in contrast to…

AC Motor Theory

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

Octal and Hexadecimal to Decimal Conversion

Textbook

Although the prime intent of octal and hexadecimal numeration systems…

Microwave Tubes

Textbook

For extremely high-frequency applications (above 1 GHz), the…

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

Phase Rotation

Textbook

Three-Phase Alternator Let’s take the three-phase alternator…

Microwave Tubes

Textbook

For extremely high-frequency applications (above 1 GHz), the…

PN Junctions

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

Capacitor Charge and Time Constant Calculator

Tools

This calculator computes for the capacitor charge time and energy, given the supply voltage and the added series resistance.

Scientific Notation

Textbook

In many disciplines of science and engineering, very large and very…

Series and Parallel Inductors

Textbook

When inductors are connected in series, the total inductance is the…

Class A BJT Amplifiers

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

Inductors

Textbook

An inductor is a passive two-terminal electrical component that…

The common-drain Amplifier (JFET)

Textbook

RELATED WORKSHEETS: JFET Amplifiers Worksheet

Peak Voltage Calculator

Tools

The peak voltage calculator calculates peak voltage values from the peak-to-peak voltage, RMS voltage, or average voltage.

Boolean Algebraic Identities

Textbook

In mathematics, an identity is a statement true for all possible…

Contributors (8)

Textbook

Contributors to this chapter are listed in chronological order of…

The Exclusive-OR Function: The XOR Gate

Textbook

What Is an XOR Gate? One element conspicuously missing from the set of…

Performance-Based Assessments for Basic Electricity Competencies

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(Template)

Programmable Logic Technology

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Define the following acronyms as they apply to digital logic circuits:…

Basic Logic Gate Troubleshooting

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

Introduction to AC Circuits

Textbook

“AC” stands for Alternating Current, which can refer to…

Power Calculations

Textbook

When calculating the power dissipation of resistive components, use…

Measurements of AC Magnitude

Textbook

So far we know that AC voltage alternates in polarity and AC current…