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1-PWM Mode

In partnership with Texas Instruments

This video is an overview of the new 1-PWM Mode for the DRV8305 Brushless DC Motor Driver

2-kW isolated bidirectional DC-DC converter reference design for UPS

In partnership with Texas Instruments

The 2-kW isolated bidirectional DC-DC converter reference design (TIDA-00951) is capable of power…

AC Commutator Motors

Textbook

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

Step-up, Step-down, and Isolation Transformers

Worksheets - Appliances

Calculate the voltage output by the secondary winding of a transformer…

AC Instrumentation Transducers

Textbook

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

Tesla Polyphase Induction Motors

Textbook

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

Basic Troubleshooting Strategies

Worksheets - Appliances

A chandelier has five light bulbs in it, and one of them is not…

DC Motor Theory

Worksheets - Appliances

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

Motor Control Circuits

Textbook

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

DC Motor Control Circuits

Worksheets - Appliances

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

Polyphase Motor Design

Textbook

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

Induction Motor, Large

Textbook

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

Electric Shock

Worksheets - Appliances

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

DC Generator Theory

Worksheets - Appliances

Generators used in battery-charging systems must be regulated so as to…

Single-phase Induction Motors

Textbook

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

Oscilloscope Trigger Controls

Worksheets - Appliances

A very useful tool for observing rotating objects is a strobe light.…

Contactors

Textbook

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

Automotive Alternator

Textbook

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

AC Motor Control Circuits

Worksheets - Appliances

Perhaps the most challenging aspect of interpreting ladder diagrams,…

AC Motor Theory

Worksheets - Appliances

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

Flyback Switch Mode Regulator Calculator

Tools

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

Wound Rotor Induction Motors

Textbook

A wound rotor induction motor has a stator like a squirrel cage…

What is Alternating Current (AC)?

Textbook

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

Other Specialized Motors

Textbook

Shaded Pole Induction Motor An easy way to provide starting torque to…

Contributors (5)

Textbook

Contributors to this chapter are listed in chronological order of…

Batteries

Worksheets - Appliances

If I wanted to build a battery-powered electric drill, would it be…

Integrator

Textbook

PARTS AND MATERIALS Four 6 volt batteries Operational amplifier, model…

Junction Field-effect Transistors

Textbook

The field effect transistor was proposed by Julius Lilienfeld in US…

Resistance

Textbook

The circuit in the previous section is not a very practical one. In…

Practical Considerations - Capacitors

Textbook

Capacitors, like all electrical components, have limitations that must…

Electronics as Science

Textbook

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

Passive Filter Circuits

Worksheets - Appliances

In very simple, qualitative terms, rate the impedance of capacitors…

Conductor Ampacity

Textbook

The smaller the cross-sectional area of any given wire, the greater…

Design Project: Telegraph System

Worksheets - Appliances

What voltage will you choose to use for each of the station batteries?

Shift Registers: Serial-in, Parallel-out (SIPO) Conversion

Textbook

A serial-in, parallel-out shift register is similar to the serial-in,…

Waveguide Calculator (Rectangular)

Tools

This tool calculates the cutoff frequency of a rectangular waveguide

Basic Electromagnetic Relays

Worksheets - Appliances

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

AC Inductor Circuits

Textbook

Resistors vs. Inductors Inductors do not behave the same way as…

Capacitors and Calculus

Textbook

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

The Common-gate Amplifier (JFET)

Textbook

RELATED WORKSHEETS: JFET Amplifiers Worksheet

The DIAC

Textbook

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

Voltage Divider Circuits

Textbook

Let’s analyze a simple series circuit and determine the voltage…

NOR Gate S-R Latch

Textbook

PARTS AND MATERIALS 4001 quad NOR gate (Radio Shack catalog #…