Programmable Logic Controllers (PLC)

Before the advent of solid-state logic circuits, logical control…

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Tesla Polyphase Induction Motors

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

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DC Lab - Potentiometer as a Rheostat

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.

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Wheatstone Bridge Calculator

This calculator helps determine the resistance of a variable resistor within a Wheatstone bridge circuit or the differential voltage created across the bridge terminals.

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Tools

Programmable Logic Controllers (PLC)

Before the advent of solid-state logic circuits, logical control…

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Relay Construction

Electricity and Magnetism An electric current through a conductor will…

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Winding Configurations

Transformers with Multiple Secondaries Transformers are very versatile…

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Networks and Busses

The wires between the tank and the monitoring location is  called…

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Kirchhoff’s Laws

Many electronic circuits use what is called a split or a dual power…

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Worksheets - PLCs

Stepper Motors

Stepper Motor vs Servo Motor A stepper motor is a…

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AC Instrumentation Transducers

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

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Instrumentation Amplifier Gain Calculator

The instrumentation amplifier calculator will assist in the design and analysis of a conventional instrumentation amplifier circuit by calculating the required resistor values and gain.

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Tools

The Silicon-Controlled Rectifier (SCR)

Shockley Diodes and Silicon Controlled Rectifiers (SCRs) Shockley…

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Step-up, Step-down, and Isolation Transformers

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

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Worksheets - PLCs

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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Network Protocols

Aside from the issues of the physical network (signal types and…

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High Voltage Ohmmeters

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

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Tube Lab - Vacuum Tube Audio Amplifier

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.

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AC Lab - Sensing AC Magnetic Fields

In this hands-on AC electronics experiment, you will sense AC magnetic fields using a simple wire coil and learn about AC signal coupling, orientation effects, and the impact of shielding using different materials.

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Lorentz Force Calculator

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

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Tools

AC Lab - Induction Motor

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.

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What is Network Analysis?

The basic application of Ohm’s law to combinations of series and…

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Non-right Triangle Trigonometry

The Law of Sines (for any triangle) The Law of Cosines (for any…

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Finite-length Transmission Lines

A transmission line of infinite length is an interesting abstraction,…

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The D Latch

Since the enable input on a gated S-R latch provides a way to latch…

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Wattmeter Design

Power in an electric circuit is the product (multiplication) of…

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Symmetric Stripline Impedance Calculator

This calculator helps you compute the characteristic impedance of a symmetric stripline.

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Tools

Trigonometry for AC Circuits

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

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Worksheets - PLCs

Si Lab - A Simple BJT Current Mirror Circuit

In this hands-on semiconductor electronics experiment, build a simple current mirror using matched bipolar junction transistors (BJTs) and learn about current mirror circuit limitations, the temperature dependence of BJTs, and thermal runaway.

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Temperature Converter

Convert between Celsius, Fahrenheit and Kelvin

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Tools

Finite-state Machine

Feedback is a fascinating engineering principle. It can turn a rather…

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SPICE Models

The SPICE circuit simulation program provides for modeling diodes in…

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Contact “Bounce”

When a switch is actuated and contacts touch one another under the…

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Amplifier Gain

The Voltage Gain Because amplifiers have the ability to increase the…

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The Instrumentation Amplifier

What Is an Instrumentation Amplifier? An instrumentation amplifier…

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Insulated Gate Field-Effect Transistors

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

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Worksheets - PLCs

The Bipolar Junction Transistor (BJT) as a Switch

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

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Logic Signal Voltage Levels

Input Voltages for Logic Gates Logic gate circuits are designed to…

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Latch Circuits

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

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Worksheets - PLCs

DC Motor Control Circuits

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

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Worksheets - PLCs

Mutual Inductance

When an electric current is passed through a coil of wire, what…

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Worksheets - PLCs