Categories

Monostable Multivibrators

Textbook

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

Latch Circuits

Worksheets - MEMS

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

DC Motor Control Circuits

Worksheets - MEMS

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

The Bipolar Junction Transistor (BJT) as a Switch

Textbook

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

Switch Contact Design

Textbook

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

Resonance

Worksheets - MEMS

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

Wound Rotor Induction Motors

Textbook

A wound rotor induction motor has a stator like a squirrel cage…

Lenz’s Law and Faraday’s Law Calculator

Tools

This calculator uses Faraday's and Lenz's laws to calculate the magnitude and polarity of the induced electromotive force (EMF) caused by a change in magnetic flux through a closed-loop coil.

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.

Switches, Process Actuated

Textbook

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

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.

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 Silicon-Controlled Switch (SCS)

Textbook

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

AC Bridge Circuits

Textbook

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

Latch Circuits

Worksheets - MEMS

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

Tesla Polyphase Induction Motors

Textbook

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

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.

Brushless DC Motor

Textbook

Brushless DC motors were developed from conventional brushed DC motors…

Switch Types

Textbook

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

AC Lab - Using a Transformer to Build a 12 VAC Power Supply

Textbook

In this hands-on AC electronics experiment, build a 12 V alternating current (AC) power supply using a step-down transformer and learn about transformer operation and the purpose of tapped windings.

Likely Failures in Unproven Systems

Textbook

“All men are liable to error;” —John Locke Whereas…

The TRIAC

Textbook

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

Miscellaneous Diode Applications

Worksheets - MEMS

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

Encoders and Decoders

Worksheets - MEMS

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

Performance-Based Assessments for DC Circuit Competencies

Worksheets - MEMS

(Template)

Monostable Multivibrators

Textbook

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

Snell’s Law Calculator

Tools

Given three of the four input parameters (refractive indices, angles of incidence, and refraction) this tool calculates the missing variable based on Snell's law.

Skin Depth Calculator

Tools

A tool designed to calculate skin depth based on the conductive material being used and the frequency of the signal.

Special Transformers and Applications

Textbook

Impedance Matching Because transformers can step voltage and current…

The Importance of Electrical Safety

Textbook

With this lesson, I hope to avoid a common mistake found in…

Analog-to-Digital Conversion

Worksheets - MEMS

The circuit shown here is a four-bit analog-to-digital converter…

Non-Inverting Op-Amp Resistor Calculator

Tools

This calculator determines the bias and feedback of resistors for a non-inverting Op-Amp

Absolute dB scales

Textbook

Decibel as Absolute Unit of Power It is also possible to use the…

Multi-Stage Transistor Amplifiers

Worksheets - MEMS

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

Counter Modulus

Textbook

Incomplete

“Long’’ and “Short’’ Transmission Lines

Textbook

In DC and low-frequency AC circuits, the characteristic impedance of…

Insulator Breakdown Voltage

Textbook

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

Sum-of-Products and Product-of-Sums Expressions

Worksheets - MEMS

Identify each of these logic gates by name, and complete their…

Design Project: Telegraph System

Worksheets - MEMS

What voltage will you choose to use for each of the station batteries?

Insulated-gate Field-effect Transistors (MOSFET)

Textbook

The Insulated-Gate Field-Effect Transistor (IGFET), also known as…

AC Lab - Using a Transformer to Build a 12 VAC Power Supply

Textbook

In this hands-on AC electronics experiment, build a 12 V alternating current (AC) power supply using a step-down transformer and learn about transformer operation and the purpose of tapped windings.

Bridge Circuits

Textbook

No text on electrical metering could be called complete without a…

Decibel Calculator

Tools

This calculator will convert voltage or power gains into decibels. Enter one of the three values and the calculator will output the other two.

Intro Lab - How to Use a Voltmeter to Measure Voltage

Textbook

In this hands-on introduction to electronics, you will experiment with a multimeter and learn how to measure voltage using the voltmeter function.

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.

Conventional Transistor Overview and Special Transistors

Worksheets - MEMS

A microcontroller is a specialized type of digital computer used to…