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Latch Circuits

Worksheets - Motors

What do you think this logic buffer gate will do, with the output…

DC Lab - Potentiometer as a Rheostat

Textbook

In this hands-on electronics experiment, you will use a potentiometer as a variable resistor to control the speed of a motor and learn how to connect a potentiometer as a rheostat.

Time-Delay Electromechanical Relays

Worksheets - Motors

What does the normal status of an electrical switch refer to?…

Lenz’s Law and Faraday’s Law Calculator

Tools

This calculator uses Faraday's and Lenz's laws to calculate the magnitude and polarity of the induced electromotive force (EMF) caused by a change in magnetic flux through a closed-loop coil.

Encoders and Decoders

Worksheets - Motors

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

AC Instrumentation Transducers

Textbook

Just as devices have been made to measure certain physical quantities…

The S-R Latch

Textbook

A bistable multivibrator has two stable states, as indicated by the…

DC Generator Theory

Worksheets - Motors

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

Permissive and Interlock Circuits

Textbook

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

Performance-Based Assessments for Digital Circuit Competencies

Worksheets - Motors

(Template)

Motor Control Circuits

Textbook

The interlock contacts installed in the previous section’s motor…

DC Motor Control Circuits

Worksheets - Motors

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

Arc Flash and Arc Blast

Worksheets - Motors

Electromechanical relays used to start and stop high-power electric…

AC Motor Control Circuits

Worksheets - Motors

Perhaps the most challenging aspect of interpreting ladder diagrams,…

The Silicon-Controlled Switch (SCS)

Textbook

If we take the equivalent circuit of an SCR and add another external…

Switch Types

Textbook

Though it may seem strange to cover the elementary topic of electrical…

Contactors

Textbook

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

What is Alternating Current (AC)?

Textbook

Most students of electricity begin their study with what is known as…

TTL Logic Gates

Worksheets - Motors

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

AC Bridge Circuits

Textbook

As we saw with DC measurement circuits, the circuit configuration…

Hysteresis

Textbook

Thyristors are a class of semiconductor components exhibiting…

Protective Relay Circuits

Worksheets - Motors

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

Switch Types

Textbook

Though it may seem strange to cover the elementary topic of electrical…

AC Lab - Using a Transformer to Build a 12 VAC Power Supply

Textbook

In this hands-on AC electronics experiment, build a 12 V alternating current (AC) power supply using a step-down transformer and learn about transformer operation and the purpose of tapped windings.

Flip-Flop Circuits

Worksheets - Motors

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

Performance-Based Assessments for Digital Circuit Competencies

Worksheets - Motors

(Template)

Si Lab - Bipolar Transistor as a Switch

Textbook

In this hands-on semiconductor electronics experiment, use a bipolar junction transistor (BJT) to switch an LED and learn about the current their amplification.

Electromagnetism

Textbook

The discovery of the relationship between magnetism and electricity…

Time-Delay Electromechanical Relays

Worksheets - Motors

What does the normal status of an electrical switch refer to?…

Switches, Process Actuated

Textbook

It is very important to keep in mind that the “normal”…

Intro Lab - Circuit With a Switch

Textbook

In this hands-on electronics experiment, you will control a light with a switch and learn the basics of connecting toggle (on/off) switches into circuits.

Polyphase Motor Design

Textbook

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

The TRIAC

Textbook

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

Monostable Multivibrators

Textbook

We’ve already seen one example of a monostable multivibrator in…

Step-up, Step-down, and Isolation Transformers

Worksheets - Motors

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

Heat Sink Calculator

Tools

This calculator helps determine the maximum temperature a device can withstand

Light-Pulse Switch

Worksheets - Motors

It is fairly important to use large value resistors (10 MΩ works…

Reluctance Motor

Textbook

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

Miscellaneous Diode Applications

Worksheets - Motors

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

Pulse Width Modulation

Textbook

Pulse Width Modulation (PWM) uses digital signals to control power…

What is Norton’s Theorem and the Norton Equivalent Circuit?

Textbook

This article explains the step-by-step process for determining the…

DIY EE Lab - Introduction to Electronics Projects

Textbook

To learn about electronics, you must eventually engage in hands-on experimentation. Knowledge gleaned from books alone has limited use in scientific endeavors. Troubleshooting a circuit can be as important as the knowledge gained from a properly functioning experiment.

DC Metrology

Worksheets - Motors

Define the following metrological terms: • Uncertainty • Accuracy…

Summer and Subtractor OpAmp Circuits

Worksheets - Motors

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

Oscillator Circuits

Textbook

Phase shift oscillator. R1C1, R2C2, and R3C3 each provide 60° of…

L-Match Impedance Matching Circuits

Tools

This calculator is designed to compute for the parameters needed to design a L-Match Impedance Circuit

Introduction to Combinational Logic Functions

Textbook

The term “combinational” comes to us from mathematics. In…

Venn Diagrams and Sets

Textbook

Mathematicians use Venn diagrams to show the logical relationships of…

Absolute dB scales

Textbook

Decibel as Absolute Unit of Power It is also possible to use the…

Contributors (14)

Textbook

Contributors to this chapter are listed in chronological order of…

Digital Lab - S-R Latch With Enable Input using NAND Gates

Textbook

In this hands-on electronics experiment, you will build an S-R latch with an enabled input using four NAND gates and learn more about digital circuit functionality.

“Ladder” Diagrams

Textbook

Ladder diagrams are specialized schematics commonly used to document…

Likely Failures in Proven Systems

Textbook

The following problems are arranged in order from most likely to least…

Superposition Theorem

Textbook

The superposition theorem is one of those strokes of genius that takes…

555 Lab - Introduction to the 555 Timer IC

Textbook

In this collection of hands-on electronics experiments, build and test mixed-signal analog and digital circuits using the versatile 555 timer IC. These projects will teach you about RC time constants, duty cycle, transistor current drive, LEDs, voltage doublers, and more.

Using Multiple Combinational Circuits

Textbook

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

Practical Considerations - Inductors

Textbook

Inductors, like all electrical components, have limitations which must…

Calculating Electric Power

Textbook

Learn the Power Formula We’ve seen the formula for determining…

Tachogenerators

Textbook

An electromechanical generator is a device capable of producing…

Applying Ohm’s Law—Rules and Methods for Circuit Analysis

Textbook

When analyzing complex series and parallel circuits, it is easy to…