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Servo Motor Systems

Worksheets - Drivers

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

Pulse Width Modulation

Textbook

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

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

AC Motor Control Circuits

Worksheets - Drivers

Perhaps the most challenging aspect of interpreting ladder diagrams,…

What is Alternating Current (AC)?

Textbook

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

Single-phase Induction Motors

Textbook

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

AC Instrumentation Transducers

Textbook

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

Bipolar Junction Transistors as Switches

Worksheets - Drivers

Solid-state switching circuits usually keep their constituent…

Design Project: Stepper Motor Driver

Worksheets - Drivers

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

Tesla Polyphase Induction Motors

Textbook

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

Oscilloscope Trigger Controls

Worksheets - Drivers

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

DC Motor Control Circuits

Worksheets - Drivers

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

Motor Control Circuits

Textbook

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

AC Generator Theory

Worksheets - Drivers

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

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Inductive Reactance

Worksheets - Drivers

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

DC Motor Control Circuits

Worksheets - Drivers

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

Design Project: DC Motor

Worksheets - Drivers

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

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

DC Lab - Potentiometer as a Rheostat

Textbook

In this hands-on electronics experiment, you will use a potentiometer as a variable resistor to control the speed of a motor and learn how to connect a potentiometer as a rheostat.

AC Motor Theory

Worksheets - Drivers

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

Oscilloscope Trigger Controls

Worksheets - Drivers

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

Stepper Motor Calculator

Tools

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

Rectifier Circuits

Worksheets - Drivers

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

Design Project: Stepper Motor Driver

Worksheets - Drivers

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

Torque Conversion Calculator

Tools

A tool designed to convert between units of torque

Electric Shock

Worksheets - Drivers

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

Inductive Reactance

Worksheets - Drivers

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

Other Specialized Motors

Textbook

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

DC Motor Theory

Worksheets - Drivers

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

Selsyn (Synchro) Motors

Textbook

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

Intermediate Electromagnetism and Electromagnetic Induction

Worksheets - Drivers

As an electric current is passed through a coil of wire, it creates a…

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…

Microcontroller Principles

Worksheets - Drivers

Read the following quotation, and then research the term…

AC Lab - Automotive Alternator as AC Generator

Textbook

In this hands-on AC electronics experiment, you will use an automotive alternator to generate three-phase AC voltage and learn how alternators can function as both generators and motors.

An Analogy for Ohm’s Law

Textbook

Ohm’s Law also makes intuitive sense if you apply it to the…

Inductors

Worksheets - Drivers

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

Power Density Calculator

Tools

A tool designed to calculate the power density of an antenna

Si Lab - Intro to Discrete Semiconductor Circuits

Textbook

In these hands-on semiconductor electronics experiments, learn to build and test circuits using discrete silicon (Si) devices, including diodes and transistors. Also, learn important circuit designs, including rectifiers, current mirrors, amplifiers, and oscillators.

Temperature Coefficient of Resistance

Textbook

You might have noticed on the table for specific resistances that all…

Why digital?

Textbook

Although many textbooks provide good introductions to digital memory…

Latch Circuits

Worksheets - Drivers

What do you think this logic buffer gate will do, with the output…

Power in Resistive and Reactive AC circuits

Textbook

Consider a circuit for a single-phase AC power system, where a 120…

More on AC “polarity”

Textbook

Complex numbers are useful for AC circuit analysis because they…

The NOT Gate

Textbook

The single-transistor inverter circuit illustrated earlier is actually…

Decibels

Textbook

The Bel is Used to Represent Gain In its simplest form, an…

Low-pass Filters

Textbook

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

Converting Truth Tables into Boolean Expressions

Textbook

In designing digital circuits, the designer often begins with a truth…

Skin Depth Calculator

Tools

A tool designed to calculate skin depth based on the conductive material being used and the frequency of the signal.

Design Project: Intercom System

Worksheets - Drivers

Design a passive circuit that will create a "split” ( V/-V) power…

Power Supply Circuits

Textbook

There are three major kinds of power supplies: unregulated (also…

Input and Output Coupling

Textbook

To overcome the challenge of creating necessary DC bias voltage for an…

What is the Relationship Between Conductance and Resistance?

Textbook

The concept and measurement units of resistance are most often used…

Digital Logic Functions

Textbook

We can construct a simple logic functions for our hypothetical lamp…

Thyristors

Worksheets - Drivers

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