Motor Control Circuits

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

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Fail-safe Design

Logic circuits, whether comprised of electromechanical relays or…

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Step-up and Step-down Transformers

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

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Digital Logic Functions

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

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Time-delay Relays

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

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The Bipolar Junction Transistor (BJT) as a Switch

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

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AC Lab - Build a Transformer

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

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“Ladder” Diagrams

Ladder diagrams are specialized schematics commonly used to document…

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Fail-safe Design

Logic circuits, whether comprised of electromechanical relays or…

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Thyristor Application Circuits

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

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Worksheets - Switches

What is Alternating Current (AC)?

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

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Voltmeter Impact on Measured Circuit

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

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Boolean Algebra

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

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Lenz’s Law and Faraday’s Law Calculator

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.

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Performance-Based Assessments for DC Circuit Competencies

(Template)

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The Silicon-Controlled Switch (SCS)

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

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Time Constant Calculations

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

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Worksheets - Switches

Wound Rotor Induction Motors

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

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

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.

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Light-Pulse Switch

It is fairly important to use large value resistors (10 MΩ works…

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Inductor Commutating Circuits

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

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Si Lab - Full-wave Center-tap Rectifier

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

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AC Lab - Large Induction Motor

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

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Digital Logic With Feedback

With simple gate and combinational logic circuits, there is a definite…

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Circuits and the Speed of Light

Suppose we had a simple one-battery, one-lamp circuit controlled by a…

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Other Diode Technologies

Varicap or varactor diodes A variable capacitance diode is known as a…

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Input and Output Coupling

To overcome the challenge of creating necessary DC bias voltage for an…

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Minterm vs Maxterm Solution

So far we have been finding Sum-Of-Product (SOP) solutions to logic…

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Design Project: Audio Media-Based Signal Generator

Identify some different ways you can create the sine-wave audio tracks…

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Contributors (16)

Contributors to this chapter are listed in chronological order of…

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Measurements of AC Magnitude

So far we know that AC voltage alternates in polarity and AC current…

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Simple Series Resonance

A similar effect happens in series inductive/capacitive circuits. When…

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Series-Parallel DC Circuits

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

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Worksheets - Switches

Wavelength (TEM) Calculator

This calculator determines the wavelength of a signal given the frequency and dielectric constant.

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Tools

OpAmp Oscillator Circuits

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

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Worksheets - Switches

Metric Prefixes and Unit Conversions

Metric Prefixes   Yotta = 1024 Symbol: Y Zetta = 1021 Symbol: Z…

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Intro Lab - Nonlinear Resistance

In this hands-on electronics experiment, you will compare the resistance of a lamp filament in its on and off states and learn about nonlinear resistances by applying Ohm's law.

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Principles of Radio

One of the more fascinating applications of electricity is in the…

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Time Constant Circuits

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

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Worksheets - Switches

Trigonometry for AC Circuits

Identify which trigonometric functions (sine, cosine, or tangent) are…

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Worksheets - Switches

Digital Lab - S-R Latch Using NOR Gates

In this hands-on electronics experiment, build an S-R latch using two NOR gates and learn how this type of digital memory operates, including invalid states, race conditions, and the effects of output loading.

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Tube Parameters

For bipolar junction transistors, the fundamental measure of…

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