Categories

AC Commutator Motors

Textbook

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

Stepper Motors

Worksheets - Appliances

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

Servo Motor Systems

Worksheets - Appliances

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

AC Motor Control Circuits

Worksheets - Appliances

Perhaps the most challenging aspect of interpreting ladder diagrams,…

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

Automotive Alternator

Textbook

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

Rectifier Circuits

Worksheets - Appliances

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

Boolean Algebra

Worksheets - Appliances

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

Torque Conversion Calculator

Tools

A tool designed to convert between units of torque

Motor Control Circuits

Textbook

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

Design Project: Stepper Motor Driver

Worksheets - Appliances

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

Intermediate Electromagnetism and Electromagnetic Induction

Worksheets - Appliances

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

Vacuum Tube Audio Amplifier

Textbook

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

AC Commutator Motors

Textbook

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

AC Instrumentation Transducers

Textbook

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

Pulse Width Modulation

Textbook

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

Basic Troubleshooting Strategies

Worksheets - Appliances

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

AC Motor Theory

Worksheets - Appliances

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

Electric Shock

Worksheets - Appliances

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

Introduction to AC Motors

Textbook

After the introduction of the DC electrical distribution system by…

Single-phase Induction Motors

Textbook

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

JFET Current Regulator

Textbook

PARTS AND MATERIALS One N-channel junction field-effect transistor,…

Transformer—Power Supply

Textbook

PARTS AND MATERIALS Power transformer, 120VAC step-down to 12VAC,…

Ohmmeter Usage

Textbook

Parts and Materials Multimeter, digital or analog Assorted resistors…

Comparator with Hysteresis (Schmitt Trigger) Calculator

Tools

This calculator will compute the required resistor ratio (R2/R1) and reference voltage (VREF) to create the desired high (VTH) and low (VTL) threshold voltages in a non-inverting comparator circuit with hysteresis (commonly called a Schmitt trigger).

Microwave Tubes

Textbook

For extremely high-frequency applications (above 1 GHz), the…

Analog and Digital Signals

Textbook

Instrumentation is a field of study and work centering on measurement…

Introduction to AC Circuits

Textbook

“AC” stands for Alternating Current, which can refer to…

Phase Rotation

Textbook

Three-Phase Alternator Let’s take the three-phase alternator…

Contact “Bounce”

Textbook

When a switch is actuated and contacts touch one another under the…

Differential Amplifier

Textbook

PARTS AND MATERIALS Two 6-volt batteries Two NPN…

Peak Voltage Calculator

Tools

The peak voltage calculator calculates peak voltage values from the peak-to-peak voltage, RMS voltage, or average voltage.

Fuses

Textbook

Normally, the ampacity rating of a conductor is a circuit design…

ElectroStatic Discharge

Textbook

At the start of this book, we discussed static electricity and how it…

Three-phase Transformer Circuits

Textbook

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

Likely Failures in Unproven Systems

Textbook

“All men are liable to error;” —John Locke Whereas…

Transistors, Bipolar

Textbook

There are not too many circuit symbols for bipolar transistors. There…

Copper Wire Gauge Table

Textbook

Solid Cooper Wire Table Size Diameter (inches) Cross-sectional area…

Sound Cancellation

Textbook

PARTS AND MATERIALS Low-voltage AC power supply Two audio speakers…

Resonant Filters

Textbook

So far, the filter designs we’ve concentrated on have employed…

Binary Count Sequence

Textbook

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