Categories

Torque Conversion Calculator

Tools

A tool designed to convert between units of torque

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

AC Commutator Motors

Textbook

Charles Proteus Steinmetz’s first job after arriving in America…

DC Motor Theory

Worksheets - Motor Control

If the ends of a wire loop are attached to two half-circular metal…

Induction Motor

Textbook

PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF (or…

Stepper Motors

Textbook

A stepper motor is a “digital” version of the electric…

Flyback Switch Mode Regulator Calculator

Tools

A calculator for computing several parameters needed in the design of a flyback switch mode regulator

Reluctance Motor

Textbook

The variable reluctance motor is based on the principle that an…

Automotive Alternator

Textbook

Project Parts and Materials Automotive alternator (one required, but…

Bipolar Junction Transistors as Switches

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Solid-state switching circuits usually keep their constituent…

DC Motor Control Circuits

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How is it possible to electrically measure the torque output by a…

What is Alternating Current (AC)?

Textbook

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

AC Generator Theory

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If an electric current is passed through this wire, which direction…

Polyphase Motor Design

Textbook

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

Design Project: Stepper Motor Driver

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At first it may seem pointless to have the four buffer gates following…

Motor Control Circuits

Textbook

The interlock contacts installed in the previous section’s motor…

Tesla Polyphase Induction Motors

Textbook

Most AC motors are induction motors. Induction motors are favored due…

Single-phase Induction Motors

Textbook

A three-phase motor may be run from a single-phase power source.…

Introduction to AC Motors

Textbook

After the introduction of the DC electrical distribution system by…

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

Solving Simultaneous Equations: The Substitution Method and the Addition Method

Textbook

What are Simultaneous Equations and Systems of Equations? The terms…

Thyristors

Textbook

Thyristors are a broad classification of bipolar-conducting…

Electrical Conduction in Semiconductors

Worksheets - Motor Control

In any electrically conductive substance, what are charge carriers?…

Electronics as Science

Textbook

Electronics is a science, and a very accessible science at that. With…

Vacuum Tube Audio Amplifier

Textbook

PARTS AND MATERIALS One 12AX7 dual triode vacuum tube Two power…

Calculating Power Factor

Textbook

As was mentioned before, the angle of this “power…

Passive Integrator and Differentiator Circuits

Worksheets - Motor Control

∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…

Induction Motor

Textbook

PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF (or…

Component Modeling

Worksheets - Motor Control

When plotted on a curve tracer, the characteristic curve for a normal…

Noninverting Amplifier

Textbook

PARTS AND MATERIALS Operational amplifier, model 1458 or 353…

Half-wave Rectifier

Textbook

PARTS AND MATERIALS Low-voltage AC power supply (6-volt output)…

Parallel Resistor-Capacitor Circuits

Textbook

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

The Shockley Diode

Textbook

Our exploration of thyristors begins with a device called the…

Impedance

Worksheets - Motor Control

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

Building Simple Resistor Circuits

Textbook

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

Resistance Calculator

Tools

This calculator calculates the resistivity of a component based on its resistance value, length, and cross-sectional area.

Stepper Motors

Textbook

A stepper motor is a “digital” version of the electric…

Switch Contact Design

Textbook

A switch can be constructed with any mechanism bringing two conductors…

Branch Current Method

Textbook

The first and most straightforward network analysis technique is…

Flash ADC

Textbook

Also called the parallel A/D converter, this circuit is the simplest…

The Command-line Interface

Textbook

If you’ve used DOS or UNIX operating systems before in a…

Tubes versus Semiconductors

Textbook

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

Precise Diode Circuits

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

Impedance

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

Edge-triggered Latches: Flip-Flops

Textbook

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

IGFET Quirks

Textbook

Design Project: Radio Transmitter

Worksheets - Motor Control

Research the FCC (Federal Communication Commission) guidelines on…

Simple Series Circuits

Textbook

On this page, we’ll outline the three principles you should…

Amplifier Impedances

Textbook

Input impedance varies considerably with the circuit configuration…

Electronics as Science

Textbook

Electronics is a science, and a very accessible science at that. With…

555 Monostable Multivibrator

Textbook

PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…

Decoder

Textbook

A decoder is a circuit that changes a code into a set of signals. It…

Voltage/Current Converter OpAmp Circuits

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

Boolean Algebra

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

Design Project: Sensitive Microphone Amplifier

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Identify which direction each potentiometer wiper must move in this…

Series Resistor-Inductor Circuits

Textbook

In the previous section, we explored what would happen in simple…

Switches

Worksheets - Motor Control

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

Introduction to Complex Numbers

Textbook

If I needed to describe the distance between two cities, I could…

Resistance, Reactance, and Impedance

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What will happen to the brightness of the light bulb as the iron core…

Harmonic Phase Sequences

Textbook

In the last section, we saw how the 3rd harmonic and all of its…