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Specific Troubleshooting Techniques

Textbook

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

Radio Circuits

Textbook

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

Networks and Busses

Textbook

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

Principles of Radio

Textbook

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

Linear Computational Circuitry

Worksheets - Communication

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

Programmable Logic Controllers (PLC)

Textbook

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

Fundamentals of Radio Communication

Worksheets - Communication

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

Design Project: Radio Transmitter

Worksheets - Communication

Research the FCC (Federal Communication Commission) guidelines on…

Automotive Alternator

Textbook

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

Induction Motor

Textbook

PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…

Boolean Algebra

Worksheets - Communication

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

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

DC Generator Theory

Worksheets - Communication

Generators used in battery-charging systems must be regulated so as to…

Induction Motor, Large

Textbook

PARTS AND MATERIALS AC power source: 120VAC Capacitor, 3.3 µF…

Design Project: Stepper Motor Driver

Worksheets - Communication

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

Basic Troubleshooting Strategies

Worksheets - Communication

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

AC Motor Control Circuits

Worksheets - Communication

Perhaps the most challenging aspect of interpreting ladder diagrams,…

Fundamentals of Radio Communication

Worksheets - Communication

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

DC Motor Theory

Worksheets - Communication

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

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Polyphase Motor Design

Textbook

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

AC Commutator Motors

Textbook

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

Safety Grounding

Worksheets - Communication

In simple AC power systems, one of the two conductors is typically…

Microcontroller Principles

Worksheets - Communication

Read the following quotation, and then research the term…

Memory Devices

Worksheets - Communication

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

SPICE Models

Textbook

The SPICE circuit simulation program provides for modeling diodes in…

Wound Rotor Induction Motors

Textbook

A wound rotor induction motor has a stator like a squirrel cage…

Step-up, Step-down, and Isolation Transformers

Worksheets - Communication

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

Design Project: Intercom System

Worksheets - Communication

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

Design Project: AC-DC Power Supply

Worksheets - Communication

Safety is very important when designing and/or building a device…

The Common-gate Amplifier (IGFET)

Textbook

Safe Practices

Textbook

If at all possible, shut off the power to a circuit before performing…

Elementary Circuits

Worksheets - Communication

In the simplest terms you can think of, define what an electrical…

RF Power Ratio Conversion Calculator

Tools

This tool is designed to convert power ratios to decibel

Power Dissipation

Textbook

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

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Numbers and Symbols

Textbook

The expression of numerical quantities is something we tend to take…

Introduction to Diodes And Rectifiers

Textbook

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

Why L/R and not LR?

Textbook

Learn About L/R Time Constants It is often perplexing to new students…

Amplifier Gain

Textbook

The Voltage Gain Because amplifiers have the ability to increase the…

The Triode

Textbook

De Forest’s Audion tube came to be known as the triode tube…

Contactors

Textbook

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

Scientific Notation and Metric Prefixes

Worksheets - Communication

Write the following exponential expressions in expanded form: 101 =…

A Very Simple Computer

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PARTS AND MATERIALS Three batteries, each one with a different voltage…

Differential Transistor Amplifiers

Worksheets - Communication

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

Permissive and Interlock Circuits

Textbook

A practical application of switch and relay logic is in control…

More on AC “polarity”

Textbook

Complex numbers are useful for AC circuit analysis because they…

Junction Field-effect Transistors

Textbook

The field effect transistor was proposed by Julius Lilienfeld in US…