Categories

AC Motor Control Circuits

Worksheets - Relays

Perhaps the most challenging aspect of interpreting ladder diagrams,…

Latch Circuits

Worksheets - Relays

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

Protective Relay Circuits

Worksheets - Relays

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

Electromagnetism

Textbook

The discovery of the relationship between magnetism and electricity…

Programmable Logic Controllers (PLC)

Textbook

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

Time-Delay Electromechanical Relays

Worksheets - Relays

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

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

Switch Types

Textbook

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

Switch Contact Design

Textbook

A switch can be constructed with any mechanism bringing two conductors…

Special-output Gates

Textbook

Complementary Output Gates It is sometimes desirable to have a logic…

Performance-Based Assessments for Digital Circuit Competencies

Worksheets - Relays

(Template)

DC Motor Control Circuits

Worksheets - Relays

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

Permissive and Interlock Circuits

Textbook

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

Inductive Reactance

Worksheets - Relays

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

Vacuum Tube Audio Amplifier

Textbook

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

Electromechanical Relay Logic

Worksheets - Relays

In ladder logic symbolism, an electromechanical relay coil is shown as…

Digital Logic Functions

Textbook

We can construct a simple logic functions for our hypothetical lamp…

Linear Computational Circuitry

Worksheets - Relays

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

The S-R Latch

Textbook

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

Bipolar Junction Transistors as Switches

Worksheets - Relays

Solid-state switching circuits usually keep their constituent…

Synchronous Condenser

Textbook

Synchronous motors load the power line with a leading power factor.…

Circuit With a Switch

Textbook

PARTS AND MATERIALS 6-volt battery Low-voltage incandescent lamp…

Encoders and Decoders

Worksheets - Relays

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

Winding Configurations

Textbook

Transformers with Multiple Secondaries Transformers are very versatile…

Miscellaneous Diode Applications

Worksheets - Relays

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

Contactors

Textbook

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

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…

Thyristor Application Circuits

Worksheets - Relays

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

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

Contact “Normal” State and Make/Break Sequence

Textbook

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

Heat Sink Calculator

Tools

This calculator helps determine the maximum temperature a device can withstand

Fuses

Textbook

Normally, the ampacity rating of a conductor is a circuit design…

Programmable Logic Controllers (PLC)

Textbook

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

Voltmeter Impact on Measured Circuit

Textbook

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

Switches, Process Actuated

Textbook

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

Fail-safe Design

Textbook

Logic circuits, whether comprised of electromechanical relays or…

Hysteresis

Textbook

Thyristors are a class of semiconductor components exhibiting…

Switch Types

Textbook

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

Boolean Algebra

Worksheets - Relays

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

Microstrip Patch Antenna Calculator

Tools

This tool calculates the dimensions of the microstrip patch antenna given the desired operating frequency.

Introduction to Analog Integrated Circuits

Textbook

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

Static Electricity

Worksheets - Relays

What does it mean for an object to have an electric charge? Give an…

Impedance

Worksheets - Relays

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

The Common-emitter Amplifier

Textbook

At the beginning of this chapter, it illustrates how transistors could…

NAND Gate S-R Enabled Latch

Textbook

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

An Electric Pendulum

Textbook

Capacitors store energy in the form of an electric field, and…

Resistor Color Codes

Textbook

Try out our Resistor Color Code Calculator in our Tools section.…

Counters

Worksheets - Relays

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

DeMorgan’s Theorems

Textbook

A mathematician named DeMorgan developed a pair of important rules…

Phasing

Textbook

Since transformers are essentially AC devices, we need to be aware of…

Digital Memory Terms and Concepts

Textbook

When we store information in some kind of circuit or device, we not…

Vol VI. Credits

Textbook

All entries arranged in alphabetical order of surname. Major…

Noninverting Amplifier

Textbook

PARTS AND MATERIALS Operational amplifier, model 1458 or 353…

Mesh Current Method and Analysis

Textbook

The Mesh-Current Method, also known as the Loop Current Method, is…

Insulator Breakdown Voltage

Textbook

The atoms in insulating materials have very tightly-bound electrons,…

Encoders and Decoders

Worksheets - Relays

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

Current Divider Circuits

Worksheets - Relays

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

Series Circuit Rules

Textbook

Current Components in a series circuit share the same current: Itotal…

Relay Construction

Textbook

Electricity and Magnetism An electric current through a conductor will…