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Special-purpose Diodes

Textbook

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

Parallel Resistor Calculator

Tools

Calculate the equivalent resistance of up to six resistors in parallel with ease while learning how to calculate resistance in parallel and the parallel resistance formula.

Design Project: LED Stroboscope

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

Convert MCD to Lumens

Tools

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

Series-Parallel DC Circuits

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

CMOS 555 Long Duration Blue 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…

Digital Display Circuits

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

CMOS 555 Long Duration Minimum Parts Red LED Flasher

Textbook

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

Static Electricity

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

Light-Pulse Switch

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

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

Circuits and the Speed of Light

Textbook

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

Rectifier 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…

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

AC Motor Theory

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

Thyristors

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

Thyristor Application Circuits

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

CMOS 555 Long Duration Red LED Flasher

Textbook

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

Common Derivatives

Textbook

    RELATED WORKSHEETS: Calculus for Electric Circuits…

Ohmmeter Usage

Textbook

Parts and Materials Multimeter, digital or analog Assorted resistors…

Binary Count Sequence

Textbook

If we examine a four-bit binary count sequence from 0000 to 1111, a…

Summer and Subtractor OpAmp Circuits

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

Boolean Algebraic Properties

Textbook

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

Special-purpose Diodes

Textbook

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

Rheostat Range Limiting

Textbook

PARTS AND MATERIALS Several 10 kΩ resistors One 10 kΩ…

Lenz’s Law and Faraday’s Law Calculator

Tools

This calculator uses Faraday's and Lenz's laws to calculate the magnitude and polarity of the induced electromotive force (EMF) caused by a change in magnetic flux through a closed-loop coil.

Inductor Quirks

Textbook

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

The P-N Junction

Textbook

If a block of P-type semiconductor is placed in contact with a block…

The common-drain Amplifier (JFET)

Textbook

RELATED WORKSHEETS: JFET Amplifiers Worksheet

Inverting and Noninverting OpAmp Voltage Amplifier Circuits

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

CMOS 555 Long Duration Red LED Flasher

Textbook

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

Design Project: Audio Media-Based Signal Generator

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Identify some different ways you can create the sine-wave audio tracks…

Power Added Efficiency Calculator

Tools

A calculator designed to compute the power-added efficiency (PAE) of an amplifier

Factors Affecting Capacitance

Textbook

There are three basic factors of capacitor construction determining…

Transistors, Bipolar

Textbook

There are not too many circuit symbols for bipolar transistors. There…

The Junction Field-effect Transistor (JFET) as a Switch

Textbook

Like its bipolar cousin, the field-effect transistor may be used as an…

A Binary Adder

Textbook

Suppose we wanted to build a device that could add two binary bits…

Parallel DC Circuits Practice Worksheet With Answers

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In this circuit, three resistors receive the same amount of voltage…

Selsyn (Synchro) Motors

Textbook

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

Electric Shock

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

Contactors

Textbook

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

EIRP Calculator

Tools

A helpful tool for computing the Effective Isotropic Radiated Power (EIRP) of an antenna

Specific Resistance

Textbook

Designing Wire Resistance Conductor ampacity rating is a crude…

Contributors (10)

Textbook

Contributors to this chapter are listed in chronological order of…

Peak, Average, and RMS Measurements

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How is it possible to assign a fixed value of voltage or current (such…

Thevenin’s, Norton’s, and Maximum Power Transfer Theorems

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Suppose a 12 volt lead-acid battery has an internal resistance of 20…

Microstrip Wavelength Calculator

Tools

A tool designed to calculate the guided wavelength inside a microstrip.

Mutual Inductance and Basic Operation

Textbook

Behaviors of Inductors wrapped around a Conductive Core Suppose we…

Capacitor Transient Response

Textbook

Because capacitors store energy in the form of an electric field, they…

Table (portrait view)

Textbook

  Periodic table of chemical elements.

Delta-Sigma ADC

Textbook

One of the more advanced ADC technologies is the so-called…

Conventional Transistor Overview and Special Transistors

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A microcontroller is a specialized type of digital computer used to…

The 555 IC

Textbook

The 555 integrated circuit is the most popular chip ever manufactured.…

Capacitors and Calculus

Textbook

Capacitors do not have a stable “resistance” as conductors…

More on Spectrum Analysis

Textbook

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

Wires and Connections

Textbook

Older electrical schematics showed connecting wires crossing, while…

CMOS 555 Long Duration Blue LED Flasher

Textbook

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

Bipolar Junction Transistors as Switches

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Solid-state switching circuits usually keep their constituent…