Categories

Bipolar Junction Transistors as Switches

Worksheets - Harsh Environment

Solid-state switching circuits usually keep their constituent…

Tesla Polyphase Induction Motors

Textbook

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

The Importance of Electrical Safety

Textbook

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

Principles of Radio

Textbook

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

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

Safety Grounding

Worksheets - Harsh Environment

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

AC Motor Control Circuits

Worksheets - Harsh Environment

Perhaps the most challenging aspect of interpreting ladder diagrams,…

Polyphase Motor Design

Textbook

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

Microcontroller Principles

Worksheets - Harsh Environment

Read the following quotation, and then research the term…

Vacuum Tube Audio Amplifier

Textbook

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

Conventional Transistor Overview and Special Transistors

Worksheets - Harsh Environment

A microcontroller is a specialized type of digital computer used to…

Design Project: DC Motor

Worksheets - Harsh Environment

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

Electric Shock

Worksheets - Harsh Environment

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

Calculus for Electric Circuits

Worksheets - Harsh Environment

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

AC Motor Theory

Worksheets - Harsh Environment

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

Specific Troubleshooting Techniques

Textbook

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

Servo Motor Systems

Worksheets - Harsh Environment

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

Bipolar Junction Transistors as Switches

Worksheets - Harsh Environment

Solid-state switching circuits usually keep their constituent…

Linear Computational Circuitry

Worksheets - Harsh Environment

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

Fundamentals of Radio Communication

Worksheets - Harsh Environment

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

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

Worksheets - Harsh Environment

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

Introduction to AC Motors

Textbook

After the introduction of the DC electrical distribution system by…

Electrical Conduction in Semiconductors

Worksheets - Harsh Environment

In any electrically conductive substance, what are charge carriers?…

Trace Resistance Calculator

Tools

This calculator determines the resistance of a microstrip trace

Hysteresis

Textbook

Thyristors are a class of semiconductor components exhibiting…

Contact “Normal” State and Make/Break Sequence

Textbook

Any kind of switch contact can be designed so that the contacts…

Logic Simplification With Karnaugh Maps

Textbook

The logic simplification examples that we have done so far could have…

Step-up, Step-down, and Isolation Transformers

Worksheets - Harsh Environment

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

Resonance

Worksheets - Harsh Environment

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

Introduction to Analog Integrated Circuits

Textbook

Analog circuits are circuits dealing with signals free to vary from…

Positive Feedback OpAmp Circuits

Worksheets - Harsh Environment

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

Capacitors and Calculus

Textbook

Capacitors do not have a stable “resistance” as conductors…

IGBTs

Textbook

Because of their insulated gates, IGFETs of all types have extremely…

Scientific Notation and Metric Prefixes

Worksheets - Harsh Environment

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

A 50-Ohm Cable?

Textbook

Early in my explorations of electricity, I came across a length of…

The Importance of Electrical Safety

Textbook

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

Programmable Logic Controllers (PLC)

Textbook

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

Conductance

Textbook

When students first see the parallel resistance equation, the natural…

Factoring Equivalencies

Textbook

Factoring Identities :   a2 - b2 = (a + b) (a - b) a2 + 2ab + b2…

Parallel Wire Inductance Calculator

Tools

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

Right Triangle Trigonometry

Textbook

  A right triangle is defined as having one angle precisely…

Design Project: Simple Component Curve-Tracer Circuit

Worksheets - Harsh Environment

What do each of the oscilloscope axes represent, in real-life terms…