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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.

Digital Logic Functions

Textbook

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

Electromagnetism

Textbook

The discovery of the relationship between magnetism and electricity…

Flip-Flop Circuits

Worksheets - Relays

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

Contact “Normal” State and Make/Break Sequence

Textbook

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

AC Motor Control Circuits

Worksheets - Relays

Perhaps the most challenging aspect of interpreting ladder diagrams,…

“Ladder” Diagrams

Textbook

Ladder diagrams are specialized schematics commonly used to document…

Time Constant Calculations

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…

Inductor Commutating Circuits

Textbook

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

Bipolar Junction Transistors as Switches

Worksheets - Relays

Solid-state switching circuits usually keep their constituent…

Switch Contact Design

Textbook

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

What is Alternating Current (AC)?

Textbook

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

TTL Logic Gates

Worksheets - Relays

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

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.

Time-Delay Electromechanical Relays

Worksheets - Relays

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

High Voltage Ohmmeters

Textbook

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

Boolean Algebra

Worksheets - Relays

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

Inductive Reactance

Worksheets - Relays

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

Latch Circuits

Worksheets - Relays

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

Fail-safe Design

Textbook

Logic circuits, whether comprised of electromechanical relays or…

AC Motor Control Circuits

Worksheets - Relays

Perhaps the most challenging aspect of interpreting ladder diagrams,…

Encoders and Decoders

Worksheets - Relays

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

The TRIAC

Textbook

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

The S-R Latch

Textbook

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

Step-up and Step-down Transformers

Textbook

So far, we’ve observed simulations of transformers where the…

Contact “Normal” State and Make/Break Sequence

Textbook

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

The Silicon-Controlled Switch (SCS)

Textbook

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

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.

Tesla Polyphase Induction Motors

Textbook

Most AC motors are induction motors. Induction motors are favored due…

Flyback Switch Mode Regulator Calculator

Tools

A calculator for computing several parameters needed in the design of a flyback switch mode regulator

Basic Electromagnetic Relays

Worksheets - Relays

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

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.

What is Alternating Current (AC)?

Textbook

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

Si Lab - Commutating Diode

Textbook

In this hands-on semiconductor electronics experiment, build a simple circuit that will teach you how to use a commutating diode to reduce inductive kickback.

AC Bridge Circuits

Textbook

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

Time Constant Calculations

Worksheets - Relays

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

Arc Flash and Arc Blast

Worksheets - Relays

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

Lorentz Force Calculator

Tools

This calculator will determine the combined Lorentz force exerted on a charged particle moving through both an electric field and a magnetic field.

Time-delay Relays

Textbook

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

Meter Check of a Diode

Textbook

The Functionality of Diode Polarity Being able to determine the…

Systems of Numeration

Textbook

Roman Numerals The Romans devised a system that was a substantial…

Waveguides

Textbook

A waveguide is a special form of transmission line consisting of a…

Analog Lab - Voltage Comparator

Textbook

In this hands-on electronics experiment, you will build an analog voltage comparator circuit and learn how open-loop operational amplifiers function.

The Cascode Amplifier

Textbook

While the C-B (common-base) amplifier is known for wider bandwidth…

Rectangle Loop Inductance Calculator

Tools

This calculator helps you compute the inductance of a rectangle loop.

Simple AC Circuit Calculations

Textbook

Over the course of the next few chapters, you will learn that AC…

Pressure Unit Conversion Calculator

Tools

This calculator will convert pressure values to ten different standard units for pressure.

Switches, Hand Actuated

Textbook

A switch is an electrical component that can “make” or…

Quantum Devices

Textbook

Most integrated circuits are digital, based on MOS (CMOS) transistors.…

Display Tubes

Textbook

In addition to performing tasks of amplification and switching, tubes…

Simple Vector Addition

Textbook

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

Inductors

Worksheets - Relays

∫f(x) dx Calculus alert! A 5 H inductor is subjected to an electric…

Series Resistor-Inductor Circuits

Textbook

In the previous section, we explored what would happen in simple…

Si Lab - Simple Op Amp

Textbook

In this hands-on semiconductor electronics experiment, build a custom operational amplifier (op amp) and learn about the application of current mirrors and the use of negative feedback in op amp circuits.

Series and Parallel Inductors

Textbook

When inductors are connected in series, the total inductance is the…

Decoder

Textbook

A decoder is a circuit that changes a code into a set of signals. It…

Lock-out / Tag-out

Worksheets - Relays

In this motor control circuit, how would you ensure that there is no…

Series R, L, and C

Textbook

Let’s take the following example circuit and analyze it:  …

Capacitive Reactance

Worksheets - Relays

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