Categories

Specific Troubleshooting Techniques

Textbook

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

Networks and Busses

Textbook

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

Fundamentals of Radio Communication

Worksheets - Communication

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

Radio Circuits

Textbook

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

Linear Computational Circuitry

Worksheets - Communication

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

Principles of Radio

Textbook

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

Design Project: Radio Transmitter

Worksheets - Communication

Research the FCC (Federal Communication Commission) guidelines on…

Programmable Logic Controllers (PLC)

Textbook

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

Electric Shock

Worksheets - Communication

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

Wound Rotor Induction Motors

Textbook

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

AC Motor Theory

Worksheets - Communication

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

Calculus for Electric Circuits

Worksheets - Communication

∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…

Fundamentals of Radio Communication

Worksheets - Communication

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

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

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…

DC Motor Control Circuits

Worksheets - Communication

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

Design Project: Stepper Motor Driver

Worksheets - Communication

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

Polyphase Motor Design

Textbook

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

Thevenin’s, Norton’s, and Maximum Power Transfer Theorems

Worksheets - Communication

Suppose a 12 volt lead-acid battery has an internal resistance of 20…

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Tesla Polyphase Induction Motors

Textbook

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

Single-phase Induction Motors

Textbook

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

Reluctance Motor

Textbook

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

Linear Computational Circuitry

Worksheets - Communication

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

Stepper Motors

Worksheets - Communication

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

DC Motor Theory

Worksheets - Communication

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

Safety Grounding

Worksheets - Communication

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

Noninverting Amplifier

Textbook

PARTS AND MATERIALS Operational amplifier, model 1458 or 353…

Capacitors

Worksheets - Communication

Identify some of the different types of capacitors, and their…

Integrator

Textbook

PARTS AND MATERIALS Four 6 volt batteries Operational amplifier, model…

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

Electrical Connections

Worksheets - Communication

What, exactly, is necessary to establish electrical continuity between…

Protective Relay Circuits

Worksheets - Communication

Protective relays are special power-sensing devices whose job it is to…

High Voltage Ohmmeters

Textbook

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

Temperature Coefficient of Resistance

Textbook

You might have noticed on the table for specific resistances that all…

Frequency and Phase Measurement

Textbook

An important electrical quantity with no equivalent in DC circuits is…

Numbers and Symbols

Textbook

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

Coax Impedance Calculator

Tools

A helpful tool for calculating the impedance of a coaxial cable.

Millman’s Theorem Revisited

Textbook

You may have wondered where we got that strange equation for the…

Mixed-Frequency Signals

Worksheets - Communication

What is a harmonic frequency? If an oscillator circuit outputs a…

Voltage Regulator

Textbook

PARTS AND MATERIALS Four 6 volt batteries Zener diode, 12…

Circuit Wiring

Textbook

So far, we’ve been analyzing single-battery, single-resistor…

Parallel Resistor-Capacitor Circuits

Textbook

Using the same value components in our series example circuit, we will…

Microstrip Crosstalk Calculator

Tools

This tool is designed to calculate cross-talk coefficient and coupled voltage for a microstrip.

Printed Circuit Board Layout and Manufacture

Worksheets - Communication

When a PCB designer speaks of dimensions in thous or mils, what does…

Radio Circuits

Textbook

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

Kirchhoff’s Current Law (KCL)

Textbook

What Is Kirchhoff’s Current Law? Kirchhoff’s Current Law,…