Categories

Thyristor Application Circuits

Worksheets - Relays

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

TTL Logic Gates

Worksheets - Relays

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

Contactors

Textbook

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

Permissive and Interlock Circuits

Textbook

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

Bipolar Junction Transistors as Switches

Worksheets - Relays

Solid-state switching circuits usually keep their constituent…

Inductive Reactance

Worksheets - Relays

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

AC Instrumentation Transducers

Textbook

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

Boolean Algebra

Worksheets - Relays

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

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

Solid-state Relays

Textbook

Limitations of Electromechanical Relays As versatile as…

Motor Control Circuits

Textbook

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

Arc Flash and Arc Blast

Worksheets - Relays

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

Protective Relay Circuits

Worksheets - Relays

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

Time Constant Calculations

Worksheets - Relays

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

Flip-Flop Circuits

Worksheets - Relays

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

Fail-safe Design

Textbook

Logic circuits, whether comprised of electromechanical relays or…

Digital Logic Functions

Textbook

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

Electromechanical Relay Logic

Worksheets - Relays

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

Latch Circuits

Worksheets - Relays

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

Basic Electromagnetic Relays

Worksheets - Relays

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

Reluctance Motor

Textbook

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

Step-up, Step-down, and Isolation Transformers

Worksheets - Relays

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

Permissive and Interlock Circuits

Textbook

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

AC Bridge Circuits

Textbook

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

Stepper Motors

Textbook

Stepper Motor vs Servo Motor A stepper motor is a…

Commutating Diode

Textbook

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

Miscellaneous Diode Applications

Worksheets - Relays

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

Flip-Flop Circuits

Worksheets - Relays

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

Torque Conversion Calculator

Tools

A tool designed to convert between units of torque

The Bipolar Junction Transistor (BJT) as a Switch

Textbook

Bipolar junction transistors (Also known as BJTs) can be used as an…

Boolean Algebra

Worksheets - Relays

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

Performance-Based Assessments for DC Circuit Competencies

Worksheets - Relays

(Template)

Insulated Gate Bipolar Transistors

Worksheets - Relays

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

Relay Construction

Textbook

Electricity and Magnetism An electric current through a conductor will…

Thyristor Application Circuits

Worksheets - Relays

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

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…

Electromagnetism

Textbook

The discovery of the relationship between magnetism and electricity…

Bipolar Junction Transistors as Switches

Worksheets - Relays

Solid-state switching circuits usually keep their constituent…

Digital Logic Functions

Textbook

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

Magnetic Fields and Inductance

Textbook

Whenever electrons flow through a conductor, a magnetic field will…

Basic Ohmmeter Use

Worksheets - Relays

Explain how an ohmmeter is able to measure the resistance of a…

Multiplexers and Demultiplexers

Worksheets - Relays

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

Series DC Circuits Practice Worksheet with Answers

Worksheets - Relays

In this circuit, three resistors receive the same amount of current (4…

Metric Notation

Textbook

The metric system, besides being a collection of measurement units for…

Some Examples with AC Circuits

Textbook

Let’s connect three AC voltage sources in series and use complex…

Design Project: DC Voltage Regulator

Worksheets - Relays

It may seem difficult to even start on a project such as this, with no…

Differential Amplifier

Textbook

PARTS AND MATERIALS Two 6-volt batteries Two NPN…

Monostable Multivibrators

Textbook

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

Time Constant Circuits

Worksheets - Relays

Generally speaking, how many “time constants” worth of time does…

Parallel Circuit Rules

Textbook

Voltage Components in a parallel circuit share the same voltage:…

Resistance Calculator

Tools

This calculator calculates the resistivity of a component based on its resistance value, length, and cross-sectional area.

Historical, Nonmechanical Memory Technologies

Textbook

Perhaps the most ingenious technique was that of the delay line. A…

Boolean Rules for Simplification

Textbook

Boolean algebra finds its most practical use in the simplification of…

Phase-Locked Loops

Worksheets - Relays

This is a schematic for a simple VCO: The oscillator is of the RC…

Capacitor Quirks

Textbook

As with inductors, the ideal capacitor is a purely reactive device,…

Basic Voltmeter Use

Worksheets - Relays

What will this voltmeter register when connected to a battery as shown…

Ohm’s Law Calculator

Tools

Calculate circuit parameters using Ohm's Law

Diodes

Textbook

A diode is an electronics component made from a combination of a…

Temperature Coefficients of Resistance Table

Textbook

Temperature coefficient (α) per degree C: Material Element/Alloy…