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Monostable Multivibrators

Textbook

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

Flip-Flop Circuits

Worksheets - Relays

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

Miscellaneous Diode Applications

Worksheets - Relays

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

Permissive and Interlock Circuits

Textbook

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

“Ladder” Diagrams

Textbook

Ladder diagrams are specialized schematics commonly used to document…

Switch Contact Design

Textbook

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

Contactors

Textbook

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

Time-Delay Electromechanical Relays

Worksheets - Relays

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

Inductor Commutating Circuits

Textbook

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

Contact “Normal” State and Make/Break Sequence

Textbook

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

Solid-state Relays

Textbook

Limitations of Electromechanical Relays As versatile as…

Sensing AC Magnetic Fields

Textbook

PARTS AND MATERIALS Audio detector with headphones Electromagnet coil…

Arc Flash and Arc Blast

Worksheets - Relays

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

TTL Logic Gates

Worksheets - Relays

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

AC Instrumentation Transducers

Textbook

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

Electromagnetism

Textbook

The discovery of the relationship between magnetism and electricity…

Vacuum Tube Audio Amplifier

Textbook

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

Special-output Gates

Textbook

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

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

Latch Circuits

Worksheets - Relays

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

Commutating Diode

Textbook

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

AC Bridge Circuits

Textbook

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

Thyristor Application Circuits

Worksheets - Relays

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

Electromechanical Relay Logic

Worksheets - Relays

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

AC Instrumentation Transducers

Textbook

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

Basic Electromagnetic Relays

Worksheets - Relays

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

DC Motor Control Circuits

Worksheets - Relays

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…

Heat Sink Calculator

Tools

This calculator helps determine the maximum temperature a device can withstand

Switches

Worksheets - Relays

What is the purpose of the switch shown in this schematic diagram?

Inductive Reactance

Worksheets - Relays

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

DC Motor Theory

Worksheets - Relays

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

Time-delay Relays

Textbook

What are Time-Delay Relays? Some relays are constructed with a kind of…

Time Constant Calculations

Worksheets - Relays

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

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Time-Delay Electromechanical Relays

Worksheets - Relays

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

Switch Contact Design

Textbook

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

Voltmeter Impact on Measured Circuit

Textbook

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

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Hysteresis

Textbook

Thyristors are a class of semiconductor components exhibiting…

Electron Activity in Chemical Reactions

Textbook

So far in our discussions on electricity and electric circuits, we…

Memory with moving parts: “Drives”

Textbook

The earliest forms of digital data storage involving moving parts was…

Inductors and Calculus

Textbook

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

Resistor Color Codes

Textbook

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

Step-up, Step-down, and Isolation Transformers

Worksheets - Relays

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

Active Versus Passive Devices

Textbook

Passive Devices Components incapable of controlling current by means…

Superposition Theorem

Textbook

Superposition theorem is one of those strokes of genius that takes a…

Design Project: Voltmeter

Worksheets - Relays

The most important component of your voltmeter will be the…

Binary Math

Worksheets - Relays

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

The P-N Junction

Textbook

If a block of P-type semiconductor is placed in contact with a block…

Properties of Exponents

Textbook

Product of Powers Property am an = am+n   Power of a Product…

Vol II. Credits

Textbook

All entries arranged in alphabetical order of surname. Major…

OpAmp Oscillator Circuits

Worksheets - Relays

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

Monostable Multivibrators

Textbook

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

Microcontroller Principles

Worksheets - Relays

Read the following quotation, and then research the term…

Physiological Effects of Electricity

Textbook

Most of us have experienced some form of electric “shock,”…

Contributors (14)

Textbook

Contributors to this chapter are listed in chronological order of…

Review of R, X, and Z (Resistance, Reactance and Impedance)

Textbook

Before we begin to explore the effects of resistors, inductors, and…

The Common-gate Amplifier (JFET)

Textbook

RELATED WORKSHEETS: JFET Amplifiers Worksheet

PWM Power Controller

Textbook

PARTS AND MATERIALS Four 6 volt batteries One capacitor, 100 µF…