Categories

Programmable Logic Controllers (PLC)

Textbook

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

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…

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…

Design Project: Radio Transmitter

Worksheets - Communication

Research the FCC (Federal Communication Commission) guidelines on…

Radio Circuits

Textbook

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

Specific Troubleshooting Techniques

Textbook

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

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

Vacuum Tube Audio Amplifier

Textbook

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

Other Specialized Motors

Textbook

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

AC Motor Control Circuits

Worksheets - Communication

Perhaps the most challenging aspect of interpreting ladder diagrams,…

Polyphase Motor Design

Textbook

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

Tesla Polyphase Induction Motors

Textbook

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

Intermediate Electromagnetism and Electromagnetic Induction

Worksheets - Communication

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

DC Motor Control Circuits

Worksheets - Communication

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

Design Project: DC Motor

Worksheets - Communication

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

Safety Grounding

Worksheets - Communication

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

Design Project: Stepper Motor Driver

Worksheets - Communication

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

Resonance

Worksheets - Communication

The Q factor of a series inductive circuit is given by the following…

Networks and Busses

Textbook

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

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

DC Generator Theory

Worksheets - Communication

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

Memory Devices

Worksheets - Communication

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

Inverting and Noninverting OpAmp Voltage Amplifier Circuits

Worksheets - Communication

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

Automotive Alternator

Textbook

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

AC Motor Theory

Worksheets - Communication

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

DC Motor Theory

Worksheets - Communication

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

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

Phase Rotation

Textbook

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

Ohm’s Law Practice Worksheet With Answers

Worksheets - Communication

Define the following terms: energy, work, and power.

Wire Self Inductance Calculator

Tools

This calculator will help compute the inductance of a length of wire.

Hand Calculator Use

Textbook

To enter numbers in scientific notation into a hand calculator, there…

A Very Simple Circuit

Textbook

Parts and Materials 6-volt battery 6-volt incandescent lamp Jumper…

The Bipolar Junction Transistor (BJT) as a Switch

Textbook

Bipolar junction transistors (Also known as BJTs) can be used as an…

Conductors and Insulators

Worksheets - Communication

Given two lengths of metal wire, which one will have the least…

T-Pad Attenuator Calculator

Tools

This calculator helps you determine the values of the resistors R1 and R2 to be used for a T-pad attenuator.

Superconducting Devices

Textbook

Superconducting devices, though not widely used, have some unique…

Voltage Follower

Textbook

PARTS AND MATERIALS One NPN transistor—models 2N2222 or 2N3403…

Stripline Max Current Calculator

Tools

A calculator designed to calculate the maximum current that a stripline can handle

High Voltage Ohmmeters

Textbook

Most ohmmeters of the design shown in the previous section utilize a…

Time Constant Equations

Textbook

Value of time constant in series RC and RL circuits   Time…

Capacitance, Reactance, and Admittance Calculator

Tools

A calculator for solving the capacitance, reactance, and admittance of a capacitor.

Reluctance Motor

Textbook

The variable reluctance motor is based on the principle that an…

Multimeters

Textbook

Seeing as how a common meter movement can be made to function as a…

Resonance

Worksheets - Communication

The Q factor of a series inductive circuit is given by the following…

Capacitor Types

Textbook

A capacitor is a passive two-terminal electronic component that…

Ohmmeter Design

Textbook

Though mechanical ohmmeter (resistance meter) designs are rarely used…