Categories

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

Applications for Isolated Gate Drivers

In partnership with Texas Instruments

This section of the TI Precision Labs - Isolation series explores three-phase power factor…

AC Generator Theory

Worksheets - Drivers

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

Single-phase Induction Motors

Textbook

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

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

What is Alternating Current (AC)?

Textbook

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

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Oscilloscope Trigger Controls

Worksheets - Drivers

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

Inductive Reactance

Worksheets - Drivers

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

AC Motor Control Circuits

Worksheets - Drivers

Perhaps the most challenging aspect of interpreting ladder diagrams,…

DC Motor Control Circuits

Worksheets - Drivers

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

Tesla Polyphase Induction Motors

Textbook

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

AC Instrumentation Transducers

Textbook

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

Servo Motor Systems

Worksheets - Drivers

Explain the operation of this “H-bridge” motor control circuit: At…

Motor Control Circuits

Textbook

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

Design Project: Stepper Motor Driver

Worksheets - Drivers

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

Pulse Width Modulation

Textbook

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

Bipolar Junction Transistors as Switches

Worksheets - Drivers

Solid-state switching circuits usually keep their constituent…

Reluctance Motor

Textbook

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

Other Specialized Motors

Textbook

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

Tesla Polyphase Induction Motors

Textbook

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

AC Motor Control Circuits

Worksheets - Drivers

Perhaps the most challenging aspect of interpreting ladder diagrams,…

AC Generator Theory

Worksheets - Drivers

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

Flyback Switch Mode Regulator Calculator

Tools

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

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

Design Project: DC Motor

Worksheets - Drivers

The armature windings of your DC motor will have very low resistance.…

Contactors

Textbook

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

Servo Motor Systems

Worksheets - Drivers

Explain the operation of this “H-bridge” motor control circuit: At…

Polyphase Motor Design

Textbook

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

Pulse Width Modulation

Textbook

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

Stepper Motors

Worksheets - Drivers

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

AC Instrumentation Transducers

Textbook

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

Motor Control Circuits

Textbook

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

Microcontroller Principles

Worksheets - Drivers

Read the following quotation, and then research the term…

Basic Troubleshooting Strategies

Worksheets - Drivers

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

AC Motor Theory

Worksheets - Drivers

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

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

Introduction to AC Motors

Textbook

After the introduction of the DC electrical distribution system by…

Power Density Calculator

Tools

A tool designed to calculate the power density of an antenna

Potential Pitfalls

Textbook

Fallacious reasoning and poor interpersonal relations account for more…

Biasing Techniques (IGFET)

Textbook

Voltage Divider

Textbook

PARTS AND MATERIALS Calculator (or pencil and paper for doing…

Microstrip Patch Antenna Calculator

Tools

This tool calculates the dimensions of the microstrip patch antenna given the desired operating frequency.

The Unijunction Transistor (UJT)

Textbook

Unijunction transistor: Although a unijunction transistor is not a…

Electric Shock Data

Textbook

The table of electric currents and their various bodily effects was…

Simultaneous Equations for Circuit Analysis

Worksheets - Drivers

Solve this equation for the value of x: x + 5 = 8 How many exact…

Basic Electromagnetism and Electromagnetic Induction

Worksheets - Drivers

When lightning strikes, nearby magnetic compass needles may be seen to…

Series and Parallel Capacitors

Textbook

When capacitors are connected in series, the total capacitance is…

Binary Count Sequence

Textbook

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

Contributors (9)

Textbook

Contributors to this chapter are listed in chronological order of…

Copper Wire Ampacity Table

Textbook

Ampacities of copper wire, in free air at 30o C: INSULATION TYPE…

Capacitance

Worksheets - Drivers

Write an equation describing the precise mathematical relationship…

Magnetism

Worksheets - Drivers

A permanent magnet is a device that retains a magnetic field without…

Synchronous Condenser

Textbook

Synchronous motors load the power line with a leading power factor.…

Correct use of Ohm’s Law

Textbook

Reminders When Using Ohm’s Law One of the most common mistakes…

Practical Considerations - Batteries

Textbook

When connecting batteries together to form larger “banks”…

IGFET Quirks

Textbook

Meter Check of a Transistor (JFET)

Textbook

Testing a JFET with a multimeter might seem to be a relatively easy…