Categories

Motor Control Circuits

Textbook

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

Three-phase Transformer Circuits

Textbook

Since three-phase is used so often for power distribution systems, it…

Fail-safe Design

Textbook

Logic circuits, whether comprised of electromechanical relays or…

Stepper Motor Calculator

Tools

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

Switches, Process Actuated

Textbook

It is very important to keep in mind that the “normal” contact…

Heat Sink Calculator

Tools

This calculator helps determine the maximum temperature a device can withstand

Boolean Algebra

Worksheets - Motors

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

Bipolar Junction Transistors as Switches

Worksheets - Motors

Solid-state switching circuits usually keep their constituent…

Vacuum Tube Audio Amplifier

Textbook

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

Contact “Normal” State and Make/Break Sequence

Textbook

Any kind of switch contact can be designed so that the contacts…

AC Instrumentation Transducers

Textbook

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

Latch Circuits

Worksheets - Motors

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

AC Bridge Circuits

Textbook

As we saw with DC measurement circuits, the circuit configuration…

CMOS Logic Gates

Worksheets - Motors

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

Introduction to AC Motors

Textbook

After the introduction of the DC electrical distribution system by…

Basic Electromagnetic Relays

Worksheets - Motors

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

Series and Parallel AC Circuits

Worksheets - Motors

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

Potentiometer as a Rheostat

Textbook

Learning Objectives Rheostat use Wiring a potentiometer as a rheostat…

Three-phase Transformer Circuits

Textbook

Since three-phase is used so often for power distribution systems, it…

Selsyn (Synchro) Motors

Textbook

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

Introduction to Diodes And Rectifiers

Textbook

All About Diodes A diode is an electrical device allowing current to…

Polyphase Motor Design

Textbook

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

Resistors

Textbook

Because the relationship between voltage, current, and resistance in…

Special-purpose Batteries

Textbook

Mercury Standard Cell Back in the early days of electrical measurement…

Characteristic Impedance

Textbook

The Parallel Wires of Infinite Length Suppose, though, that we had a…

“Ladder” Diagrams

Textbook

Ladder diagrams are specialized schematics commonly used to document…

Circuit Effects

Textbook

The principle of non-sinusoidal, repeating waveforms being equivalent…

Meter Check of a Diode

Textbook

The Functionality of Diode Polarity Being able to determine the…

The Command-line Interface

Textbook

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

BJT Amplifier Troubleshooting

Worksheets - Motors

As an instructor of electronics, I am called upon frequently to help…

Design Project: Stepper Motor Driver

Worksheets - Motors

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

Design Project: Arbitrary Waveform Generator

Worksheets - Motors

What, exactly, is an arbitrary waveform generator, and for what…

Don’t Care Cells in the Karnaugh Map

Textbook

Up to this point we have considered logic reduction problems where…

Switches, Hand Actuated

Textbook

AC Waveforms

Textbook

When an alternator produces AC voltage, the voltage switches polarity…

What are “Series” and “Parallel” Circuits?

Textbook

Circuits consisting of just one battery and one load resistance are…

Measurements of AC Magnitude

Textbook

So far we know that AC voltage alternates in polarity and AC current…

Introduction to Solid-state Device Theory

Textbook

This chapter will cover the physics behind the operation of…

Insulated-gate Field-effect Transistors (MOSFET)

Textbook

The Insulated-Gate Field-Effect Transistor (IGFET), also known as…

Motor Control Circuits

Textbook

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

Current Divider Circuits

Worksheets - Motors

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

Using Multiple Combinational Circuits

Textbook

As an example of using several circuits together, we are going to make…