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Switch Contact Design

Switch Contact Design

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


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The Bipolar Junction Transistor (BJT) as a Switch

The Bipolar Junction Transistor (BJT) as a Switch

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


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Latch Circuits

Latch Circuits

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


Worksheets - MEMS

Monostable Multivibrators

Monostable Multivibrators

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


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DC Motor Control Circuits

DC Motor Control Circuits

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


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Resonance

Resonance

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


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Performance-Based Assessments for DC Circuit Competencies

Performance-Based Assessments for DC Circuit Competencies

(Template)


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AC Motor Theory

AC Motor Theory

Electromechanical watt-hour meters use an aluminum disk that is spun…


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Electromagnetism

Electromagnetism

The discovery of the relationship between magnetism and electricity…


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Protective Relays

Protective Relays

A special type of relay is one that monitors the current, voltage,…


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Contactors

Contactors

All About Contactors When a relay is used to switch a large amount of…


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Time-delay Relays

Time-delay Relays

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


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Step-up and Step-down Transformers

Step-up and Step-down Transformers

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


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Special-output Gates

Special-output Gates

Complementary Output Gates It is sometimes desirable to have a logic…


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Reluctance Motor

Reluctance Motor

The variable reluctance motor is based on the principle that an…


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Switches, Electrically Actuated (Relays)

Switches, Electrically Actuated (Relays)

The structure behind ladder logic is based on the electrical ladder…


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Linear Computational Circuitry

Linear Computational Circuitry

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


Worksheets - MEMS

Introduction to Diodes And Rectifiers

Introduction to Diodes And Rectifiers

All About Diodes A diode is an electrical device allowing current to…


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The Junction Field-effect Transistor (JFET) as a Switch

The Junction Field-effect Transistor (JFET) as a Switch

Like its bipolar cousin, the field-effect transistor may be used as an…


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555 Lab - LED Flasher with Inductive Flyback

555 Lab - LED Flasher with Inductive Flyback

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.


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“Ladder” Diagrams

“Ladder” Diagrams

Ladder diagrams are specialized schematics commonly used to document…


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Inductive Reactance

Inductive Reactance

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


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Wound Rotor Induction Motors

Wound Rotor Induction Motors

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


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Hysteresis

Hysteresis

Thyristors are a class of semiconductor components exhibiting…


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Torque Conversion Calculator

Torque Conversion Calculator

A tool designed to convert between units of torque


Tools

Series and Parallel AC Circuits

Series and Parallel AC Circuits

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


Worksheets - MEMS

Encoders and Decoders

Encoders and Decoders

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


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Miscellaneous Diode Applications

Miscellaneous Diode Applications

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


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R, L and C Summary

R, L and C Summary

With the notable exception of calculations for power (P), all AC…


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RF Power Ratio Conversion Calculator

RF Power Ratio Conversion Calculator

This tool is designed to convert power ratios to decibel


Tools

Si Lab - Commutating Diode

Si Lab - Commutating Diode

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.


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Shift Registers

Shift Registers

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


Worksheets - MEMS

Wheatstone Bridge Calculator

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.


Tools

Magnetism

Magnetism

A permanent magnet is a device that retains a magnetic field without…


Worksheets - MEMS

TTL NOR and OR gates

TTL NOR and OR gates

TTL Circuit Analysis Let’s examine the following TTL circuit and…


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Introduction to Shift Registers

Introduction to Shift Registers

Shift registers, like counters, are a form of sequential…


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Scientific Notation in SPICE

Scientific Notation in SPICE

The SPICE circuit simulation computer program uses scientific notation…


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Analog Lab - 555 Ramp Signal Generator

Analog Lab - 555 Ramp Signal Generator

In this hands-on electronics experiment, construct a signal generator circuit that creates two different types of ramp signals and learn how capacitors charge when connected to resistors and constant current sources.


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TTL Logic Gates

TTL Logic Gates

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


Worksheets - MEMS

Decibel Calculator

Decibel Calculator

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


Tools

Meter Check of a Transistor (JFET)

Meter Check of a Transistor (JFET)

Testing a JFET with a multimeter might seem to be a relatively easy…


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The Cascode Amplifier

The Cascode Amplifier

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


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Intro Lab - Resistor Power Dissipation

Intro Lab - Resistor Power Dissipation

In this hands-on electronics experiment, you will examine the heat generated by resistors and maybe even make one smoke! Also, learn to calculate power dissipation using Joule's law and resistor power ratings.


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Open-Loop OpAmp Circuits

Open-Loop OpAmp Circuits

Determine what the magnitude and polarity of the voltmeter’s…


Worksheets - MEMS

“Ladder” Diagrams

“Ladder” Diagrams

Ladder diagrams are specialized schematics commonly used to document…


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Circuit Components

Circuit Components

Remember that this tutorial is not exhaustive by any means, and that…


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