Categories

Convert MCD to Lumens

Tools

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

AC Motor Theory

Worksheets - Lighting

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

CMOS 555 Long Duration Minimum Parts Red LED Flasher

Textbook

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

Binary Addition

Textbook

The Rules of Binary Addition Adding binary numbers is a very simple…

Ohmmeter Usage

Textbook

Parts and Materials Multimeter, digital or analog Assorted resistors…

Important Constants

Textbook

Euler’s Number Euler’s constant is an important value for…

The DIAC

Textbook

Like all diodes, Shockley diodes are unidirectional devices; that is,…

Clipper and Clamper Circuits

Worksheets - Lighting

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

Contributors (14)

Textbook

Contributors to this chapter are listed in chronological order of…

Special Diodes

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

Bipolar Transistor Biasing Circuits

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

Minterm vs Maxterm Solution

Textbook

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

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Voltage Divider Calculator

Tools

The voltage divider is a circuit used to create a voltage less than or equal to the input voltage.

Contributors (4)

Textbook

Contributors to this chapter are listed in chronological order of…

Capacitor Impedance Calculator

Tools

This tool calculates a capacitor's reactance for a given capacitance value and signal frequency.

Delta and Wye 3-Phase Circuits

Worksheets - Lighting

Label where each of the following electrical quantities would be found…

Signal Modulation

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A modern method of electrical power control involves inserting a…

Introduction to Electron Tubes

Textbook

An often neglected area of study in modern electronics is that of…

Binary Math

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

Stepper Motor Calculator

Tools

A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor

Multimeters

Textbook

Seeing as how a common meter movement can be made to function as a…

Low-pass Filters

Textbook

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

Capacitor Transient Response

Textbook

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

Specific Troubleshooting Techniques

Textbook

After applying some of the general troubleshooting tips to narrow the…

Edge-triggered Latches: Flip-Flops

Textbook

So far, we’ve studied both S-R and D latch circuits with enable…

JFET Current Regulator

Textbook

PARTS AND MATERIALS One N-channel junction field-effect transistor,…

Mutual Inductors

Textbook

Mutual inductors are inductors that capitalize the effect of mutual…

Biasing Techniques (BJT)

Textbook

In the common-emitter section of this chapter, we saw a SPICE analysis…

Transistor Biasing Calculations

Textbook

Although transistor switching circuits operate without bias, it is…

Basic Electromagnetic Relays

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

The Exclusive-OR Function: The XOR Gate

Textbook

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

Fundamentals of Radio Communication

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What does the acronym RF stand form, in reference to radio-related…

Nonlinear Conduction

Textbook

“Advances are made by answering questions. Discoveries are made…

JFET Quirks

Textbook

Why L/R and not LR?

Textbook

Learn About L/R Time Constants It is often perplexing to new students…

Conventional Versus Electron Flow

Textbook

“The nice thing about standards is that there are so many of…

Time Constant Circuits

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Generally speaking, how many “time constants” worth of time does…

Impedance Transformation

Textbook

Standing waves at the resonant frequency points of an open- or…

Multimeters

Textbook

Seeing as how a common meter movement can be made to function as a…

More on Spectrum Analysis

Textbook

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

Absolute dB scales

Textbook

Decibel as Absolute Unit of Power It is also possible to use the…

Inductors

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∫f(x) dx Calculus alert! A 5 H inductor is subjected to an electric…