Categories

Thyristor Application Circuits

Worksheets - Relays

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

Basic Electromagnetic Relays

Worksheets - Relays

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

Switch Types

Textbook

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

Linear Computational Circuitry

Worksheets - Relays

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

555 Lab - LED Flasher with Inductive Flyback

Textbook

In this hands-on electronics experiment, build a multiple LED flasher and learn how to use inductive flyback to generate a voltage pulse that is greater than the supply voltage.

Inductor Commutating Circuits

Textbook

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

Inductive Reactance

Worksheets - Relays

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

DC Generator Theory

Worksheets - Relays

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

Relay Construction

Textbook

Electricity and Magnetism An electric current through a conductor will…

Miscellaneous Diode Applications

Worksheets - Relays

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

Contact “Normal” State and Make/Break Sequence

Textbook

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

DC Motor Control Circuits

Worksheets - Relays

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

High Voltage Ohmmeters

Textbook

Most ohmmeters of the design shown in the previous section utilize a…

Time-Delay Electromechanical Relays

Worksheets - Relays

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

Contactors

Textbook

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

Switch Contact Design

Textbook

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

Digital Logic Functions

Textbook

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

Arc Flash and Arc Blast

Worksheets - Relays

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

Tube Lab - Vacuum Tube Audio Amplifier

Textbook

In this hands-on electronics experiment, build an audio amplifier using a vacuum tube (triode) and learn about voltage transformers, how to build a high-voltage DC power supply, and how to use a transformer for impedance matching.

AC Instrumentation Transducers

Textbook

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

Reluctance Motor

Textbook

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

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.

Monostable Multivibrators

Textbook

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

AC Motor Control Circuits

Worksheets - Relays

Perhaps the most challenging aspect of interpreting ladder diagrams,…

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.

The TRIAC

Textbook

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

Si Lab - Full-wave Center-tap Rectifier

Textbook

In this hands-on semiconductor electronics experiment, build a full-wave rectifier for AC to DC conversion and learn about center-tapped transformers.

Digital Lab - Digital Combination Lock

Textbook

In this hands-on electronics experiment, build a digital combination lock with LED output indicators and learn about XOR gate functionality and how to implement NOR logic functionality using diodes.

CMOS Logic Gates

Worksheets - Relays

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

Arc Flash and Arc Blast

Worksheets - Relays

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

Resonance

Worksheets - Relays

The Q factor of a series inductive circuit is given by the following…

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.

TTL Logic Gates

Worksheets - Relays

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

AC Lab - Build a Transformer

Textbook

In this hands-on AC electronics experiment, build a simple transformer and learn some important transformer fundamentals including voltage step-up and step-down.

DC Motor Theory

Worksheets - Relays

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

AC Lab - Induction Motor

Textbook

In this hands-on AC electronics experiment, build a simple AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.

Switches

Worksheets - Relays

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

Switches, Electrically Actuated (Relays)

Textbook

The structure behind ladder logic is based on the electrical ladder…

The S-R Latch

Textbook

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

Switch Types

Textbook

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

Simple Vector Addition

Textbook

Remember that vectors are mathematical objects just like numbers on a…

Digital Memory Terms and Concepts

Textbook

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

JFET Biasing Techniques

Textbook

Using an example, learn about the different bias techniques for junction field effect transistors (JFETs) like the constant voltage bias, self-bias configuration, and voltage divider biasing.

Twisted-Pair Impedance Calculator

Tools

A tool designed to calculate the characteristic impedance of a twisted-pair cable

Negative Feedback

Textbook

If we connect the output of an op-amp to its inverting input and apply…

DC Lab - Voltage Divider

Textbook

In this hands-on electronics experiment, you will build a resistive voltage divider and observe how Ohm's law and Kirchhoff's voltage law (KVL) function in real circuits using a voltmeter and an ammeter.

Electromagnetism

Textbook

The discovery of the relationship between magnetism and electricity…

Contributors (11)

Textbook

Contributors to this chapter are listed in chronological order of…

Summary of Filters

Textbook

As lengthy as this chapter has been up to this point, it only begins…

Inductor Sizing Equation

Textbook

The Inductance Formula     Wheeler’s formulas for…

Component Modeling

Worksheets - Relays

When plotted on a curve tracer, the characteristic curve for a normal…

Battery Life Calculator

Tools

This calculator provides three options—basic, intermediate, and advanced—for determining expected battery life for microcontroller, Internet of Things (IoT), and edge processing systems with up to four different operating modes.

Transistor Ratings and Packages (BJT)

Textbook

Like all electrical and electronic components, transistors are limited…

Synchronous Condenser

Textbook

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

Si Lab - Multi-stage Amplifier

Textbook

In this hands-on semiconductor electronics experiment, construct a three-stage common-emitter amplifier using bipolar junction transistors (BJTs) and learn about multi-stage gain and feedback.

An Analogy for Divided Feedback

Textbook

A helpful analogy for understanding divided feedback amplifier…

Basic Operational Amplifiers

Worksheets - Relays

Determine the output voltage polarity of this op-amp (with reference…

Junction Diodes

Textbook

There was some historic crude, but usable were some historic crude,…

555 Lab - Oscillator With Hysteresis

Textbook

In this hands-on electronics experiment, build an oscillator with hysteresis from a Schmitt trigger and learn how to use it to create an RC oscillator and a method to configure a 555 timer as an astable multivibrator.

General Troubleshooting Tips

Textbook

When first approaching a failed or otherwise misbehaving system, the…