Categories

AC Motor Theory

Worksheets - Electromechanical

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

Likely Failures in Unproven Systems

Textbook

“All men are liable to error;” —John Locke Whereas the last…

Impedance Matching With Transformers

Worksheets - Electromechanical

Suppose you were to take a 3 kW electric heater rated for 240 VAC and…

Wound Rotor Induction Motors

Textbook

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

Heat Sink Calculator

Tools

This calculator helps determine the maximum temperature a device can withstand

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

DC Motor Control Circuits

Worksheets - Electromechanical

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

The J-K Flip-Flop

Textbook

Another variation on a theme of bistable multivibrators is the J-K…

Miscellaneous Diode Applications

Worksheets - Electromechanical

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

Encoders and Decoders

Worksheets - Electromechanical

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

Voltmeter Impact on Measured Circuit

Textbook

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

Vacuum Tube Audio Amplifier

Textbook

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

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

Full-wave Center-tap Rectifier

Textbook

PARTS AND MATERIALS Low-voltage AC power supply (6-volt output) Two…

Inductor Commutating Circuits

Textbook

A popular use of diodes is for the mitigation of inductive…

Bipolar Junction Transistors as Switches

Worksheets - Electromechanical

Solid-state switching circuits usually keep their constituent…

Boolean Algebra

Worksheets - Electromechanical

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

The TRIAC

Textbook

SCRs are unidirectional (one-way) current devices, making them useful…

CMOS Logic Gates

Worksheets - Electromechanical

Counting practice: count from zero to thirty-one in binary, octal, and…

Insulated Gate Bipolar Transistors

Worksheets - Electromechanical

What is an Insulated Gate Bipolar Transistor (IGBT), and what…

Junction Field-effect Transistors

Textbook

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

Network Protocols

Textbook

Aside from the issues of the physical network (signal types and…

Insulated Gate Bipolar Transistors

Worksheets - Electromechanical

What is an Insulated Gate Bipolar Transistor (IGBT), and what…

Karnaugh Maps, Truth Tables, and Boolean Expressions

Textbook

Who Developed the Karnaugh Map? Maurice Karnaugh, a…

Demultiplexers

Textbook

A demultiplexer, sometimes abbreviated dmux, is a circuit that has…

Component Failure Analysis (Continued)

Textbook

“I consider that I understand an equation when I can predict the…

“Long’’ and “Short’’ Transmission Lines

Textbook

In DC and low-frequency AC circuits, the characteristic impedance of…

Programmable Logic Technology

Worksheets - Electromechanical

Define the following acronyms as they apply to digital logic circuits:…

IC Fabrication and Packaging

Worksheets - Electromechanical

What does it mean if an integrated circuit comes in DIP form? What…

Look-up Tables

Textbook

Having learned about digital memory devices in the last chapter, we…

Design Project: LED Stroboscope

Worksheets - Electromechanical

A technician uses a stroboscope to “freeze” the rotation of a…

Series Batteries

Textbook

PARTS AND MATERIALS Two 6-volt batteries One 9-volt battery Actually,…

Link Budget Calculator

Tools

This tool is designed to calculate the power at the receiver using link budget analysis.

Balanced Attenuator Calculator

Tools

This balanced attenuator calculator helps you determine the resistor (R1) values for a balanced attenuator.

Commutating Diode

Textbook

PARTS AND MATERIALS 6 volt battery Power transformer, 120VAC…

DeMorgan’s Theorems

Textbook

A mathematician named DeMorgan developed a pair of important rules…

Vol VI. Credits

Textbook

All entries arranged in alphabetical order of surname. Major…

Potentiometers

Worksheets - Electromechanical

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

Table (landscape view)

Textbook

See Figure below. Periodic table of chemical elements.

Meter Check of a Diode

Textbook

The Functionality of Diode Polarity Being able to determine the…

Class B Audio Amplifier

Textbook

PARTS AND MATERIALS Four 6 volt batteries Dual operational amplifier,…

Contributors (9)

Textbook

Contributors to this chapter are listed in chronological order of…

Using Multiple Combinational Circuits

Textbook

As an example of using several circuits together, we are going to make…

Dielectric Strengths for Insulators

Textbook

Dielectric strength in kilovolts per inch (kV/in): Material*…

Binary Math

Worksheets - Electromechanical

Counting practice: count from zero to thirty-one in binary, octal, and…

Bipolar Transistor Biasing Circuits

Worksheets - Electromechanical

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

Flash ADC

Textbook

Also called the parallel A/D converter, this circuit is the simplest…

The Thyristor

Textbook

Simple Parallel Circuits

Textbook

On this page, we’ll outline the three principles you should…

AC Waveforms

Textbook

When an alternator produces AC voltage, the voltage switches polarity…

Design Project: Signal Generator

Worksheets - Electromechanical

Explain the principle of operation for the particular integrated…

Mutual Inductors

Textbook

Intermediate Electromagnetism and Electromagnetic Induction

Worksheets - Electromechanical

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

NAND Gate S-R Flip-Flop

Textbook

PARTS AND MATERIALS 4011 quad NAND gate (Radio Shack catalog #…

Resonant Filters

Textbook

So far, the filter designs we’ve concentrated on have employed…

Performance-Based Assessments for Network Analysis Competencies

Worksheets - Electromechanical

Convert MCD to Lumens

Tools

This calculator is useful for calculating the luminous flux for LEDs where the angle is known.

Half-wave Rectifier

Textbook

PARTS AND MATERIALS Low-voltage AC power supply (6-volt output)…

Voltage, Current, and Resistance

Worksheets - Electromechanical

Voltage is commonly defined as “electrical pressure.” The unit of…

Table (landscape view)

Textbook

See Figure below. Periodic table of chemical elements.