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Programmable Logic Controllers (PLC)

Textbook

Before the advent of solid-state logic circuits, logical control…

Radio Circuits

Textbook

(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…

Principles of Radio

Textbook

One of the more fascinating applications of electricity is in the…

Networks and Busses

Textbook

The wires between the tank and the monitoring location is  called…

Design Project: Radio Transmitter

Worksheets - Communication

Research the FCC (Federal Communication Commission) guidelines on…

Linear Computational Circuitry

Worksheets - Communication

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

Fundamentals of Radio Communication

Worksheets - Communication

What does the acronym RF stand form, in reference to radio-related…

Specific Troubleshooting Techniques

Textbook

After applying some of the general troubleshooting tips to narrow the…

Programmable Logic Controllers (PLC)

Textbook

Before the advent of solid-state logic circuits, logical control…

Networks and Busses

Textbook

The wires between the tank and the monitoring location is  called…

Specific Troubleshooting Techniques

Textbook

After applying some of the general troubleshooting tips to narrow the…

The Importance of Electrical Safety

Textbook

With this lesson, I hope to avoid a common mistake found in…

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Radio Circuits

Textbook

(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…

AC Motor Theory

Worksheets - Communication

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

Design Project: DC Motor

Worksheets - Communication

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…

Tesla Polyphase Induction Motors

Textbook

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

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.

Basic Troubleshooting Strategies

Worksheets - Communication

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

Intermediate Electromagnetism and Electromagnetic Induction

Worksheets - Communication

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

AC Commutator Motors

Textbook

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

Instrumentation Amplifier Gain Calculator

Tools

The instrumentation amplifier calculator will assist in the design and analysis of a conventional instrumentation amplifier circuit by calculating the required resistor values and gain.

Other Specialized Motors

Textbook

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

Series-Parallel DC Circuits

Worksheets - Communication

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

Parallel Resistor Calculator

Tools

Calculate the equivalent resistance of up to six resistors in parallel with ease while learning how to calculate resistance in parallel and the parallel resistance formula.

Design Project: Stepper Motor Driver

Worksheets - Communication

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

AC Motor Control Circuits

Worksheets - Communication

Perhaps the most challenging aspect of interpreting ladder diagrams,…

Contributors (10)

Textbook

Contributors to this chapter are listed in chronological order of…

Step-up, Step-down, and Isolation Transformers

Worksheets - Communication

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

Resistors

Worksheets - Communication

Shown here is the schematic symbol for a resistor: What is the purpose…

DC Lab - Precision Potentiometer

Textbook

In this hands-on electronics experiment, you will build a precision potentiometer from three lower precision potentiometer and learn about voltage range compression and parameter interactions.

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.

Design Project: Pulse-Width Modulation (PWM) Signal Generator

Worksheets - Communication

What shape of voltage waveform would you expect to measure (using an…

555 Lab - Advanced Red LED Flasher

Textbook

In this hands-on electronics experiment, build a red LED flasher with a transistor drive to control the current and learn how to use transistors to provide current gain and how to limit LED current.

Switches, Hand Actuated

Textbook

A switch is an electrical component that can “make” or…

Parallel Wire Inductance Calculator

Tools

This tool is designed to calculate the inductance of two parallel wires

Microwave Tubes

Textbook

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

Encoders and Decoders

Worksheets - Communication

What does it mean, in general terms, to encode something? Conversely,…

L-Match Impedance Matching Circuits

Tools

This calculator is designed to compute for the parameters needed to design a L-Match Impedance Circuit

Numeration Systems

Worksheets - Communication

Digital computers communicate with external devices through ports:…

Trigonometry for AC Circuits

Worksheets - Communication

Identify which trigonometric functions (sine, cosine, or tangent) are…

Design Project: Logic Probe

Worksheets - Communication

What factors determine where potentiometers Rpot1 and Rpot2 must be…

AC Instrumentation Transducers

Textbook

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

Voltmeter Impact on Measured Circuit

Textbook

Every meter impacts the circuit it is measuring to some extent, just…

Temperature Coefficient of Resistance

Worksheets - Communication

It is a common phenomenon for the electrical resistance of a substance…

Mutual Inductance

Worksheets - Communication

When an electric current is passed through a coil of wire, what…

Si Lab - Full-wave Bridge Rectifier With Output Filtering

Textbook

In this hands-on semiconductor experiment, build an improved full-wave rectifier with output filtering and learn about capacitive filtering in AC-to-DC power converters.