Tesla Polyphase Induction Motors

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

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AC Instrumentation Transducers

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

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Stepper Motors

Stepper Motor vs Servo Motor A stepper motor is a…

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Synchronous Motors

Single Phase Synchronous Motors Single-phase synchronous motors are…

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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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Electrical Isolation

SPICE analysis of Electrical Isolation Aside from the ability to…

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Pressure Unit Conversion Calculator

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

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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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Network Protocols

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

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The Silicon-Controlled Rectifier (SCR)

Shockley Diodes and Silicon Controlled Rectifiers (SCRs) Shockley…

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High Voltage Ohmmeters

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

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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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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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Winding Configurations

Transformers with Multiple Secondaries Transformers are very versatile…

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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.

Tools

Tesla Polyphase Induction Motors

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

Textbook

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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Kirchhoff’s Laws

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

Worksheets - Robotics

Semiconductor Manufacturing Techniques

The manufacture of only silicon based semiconductors is described…

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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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Step-up, Step-down, and Isolation Transformers

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

Worksheets - Robotics

Parallel Resistor Calculator

Calculate the equivalent resistance of up to six resistors in parallel with ease while learning how to calculate resistance in parallel and the parallel resistance formula.

Tools

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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Free Space Path Loss Calculator

This calculator calculates the free space loss, given the distance, frequency, and gain, between two antennas.

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Basic Electromagnetism and Electromagnetic Induction

When lightning strikes, nearby magnetic compass needles may be seen to…

Worksheets - Robotics

IGBTs

Because of their insulated gates, IGFETs of all types have extremely…

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Programmable Logic Controllers (PLC)

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

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DC Lab - Voltage Divider

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.

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Beam Power Tubes

In the beam power tube, the basic four-element structure of the…

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Physical Effects of Electricity

Certain substances are known to physically deform (shorten or…

Worksheets - Robotics

Power Measurement

Power measurement in AC circuits can be quite a bit more complex than…

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Resistors

Because the relationship between voltage, current, and resistance in…

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Power in Electric Circuits

In addition to voltage and current, there is another important…

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Time-Delay Electromechanical Relays

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

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Four-Channel Audio Mixer

A very common misconception students have about potentiometers is the…

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Temperature Coefficient of Resistance

You might have noticed on the table for specific resistances that all…

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JFET Quirks

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Voltage Divider Circuits

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

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Thyristors

Thyristors are a broad classification of bipolar-conducting…

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Series Circuit Rules

Current Components in a series circuit share the same current: Itotal…

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Stepper Motors

Stepper Motor vs Servo Motor A stepper motor is a…

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Basic Operational Amplifiers

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

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TTL NAND and AND gates

Suppose we altered our basic open-collector inverter circuit, adding a…

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