All About Circuits

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Insulated Gate Bipolar Transistors

Insulated Gate Bipolar Transistors

What is an Insulated Gate Bipolar Transistor (IGBT), and what…


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Timer Circuits

Timer Circuits

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


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Negative Feedback OpAmp Circuits

Negative Feedback OpAmp Circuits

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


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Binary Math Circuits

Binary Math Circuits

Add the following binary numbers:


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Insulated Gate Field-Effect Transistors

Insulated Gate Field-Effect Transistors

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


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Digital Communication

Digital Communication

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


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Capacitors

Capacitors

Identify some of the different types of capacitors, and their…


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Measurements of AC Magnitude

Measurements of AC Magnitude

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


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Practical Considerations - Batteries

Practical Considerations - Batteries

When connecting batteries together to form larger “banks”…


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The Common-collector Amplifier

The Common-collector Amplifier

Our next transistor configuration to study is a bit simpler for gain…


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Vol II. Credits

Vol II. Credits

All entries arranged in alphabetical order of surname. Major…


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Solving Unbalanced Wheatstone Bridge Circuits Via Mesh Current Method

Solving Unbalanced Wheatstone Bridge Circuits Via Mesh Current Method

An unbalanced Wheatstone bridge cannot be solved using simple series…


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Design Project: Pulse-Width Modulation (PWM) Signal Generator

Design Project: Pulse-Width Modulation (PWM) Signal Generator

What shape of voltage waveform would you expect to measure (using an…


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Stepper Motors

Stepper Motors

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


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Boolean Algebra

Boolean Algebra

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


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Basic Logic Gates

Basic Logic Gates

Identify the type of logic gate shown in this schematic diagram, and…


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Conductors and Insulators

Conductors and Insulators

Given two lengths of metal wire, which one will have the least…


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Factors Affecting Capacitance

Factors Affecting Capacitance

There are three basic factors of capacitor construction determining…


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Basic Operational Amplifiers

Basic Operational Amplifiers

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


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Polyphase Motor Design

Polyphase Motor Design

AC Motors Perhaps the most important benefit of polyphase AC power…


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Parallel Resistor-Capacitor Circuits

Parallel Resistor-Capacitor Circuits

Using the same value components in our series example circuit, we will…


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The Tetrode

The Tetrode

As the name suggests, the tetrode tube contains four elements: cathode…


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Mutual Inductance and Basic Operation

Mutual Inductance and Basic Operation

Behaviors of Inductors wrapped around a Conductive Core Suppose we…


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Voltage Multipliers (Doublers, Triplers, Quadruplers, and More)

Voltage Multipliers (Doublers, Triplers, Quadruplers, and More)

A voltage multiplier is a specialized rectifier circuit producing…


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Si Lab - Half-wave Rectifier

Si Lab - Half-wave Rectifier

In this hands-on semiconductor electronics experiment, build a half-wave rectifier circuit using a silicon diode and learn about the differences between permanent magnet motor operation on AC vs. DC power.


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Reflection Attenuator Calculator

Reflection Attenuator Calculator

This tool is designed to calculate the value of resistance R1 in a reflection attenuator.


Tools

DC Lab - Potentiometric Voltmeter

DC Lab - Potentiometric Voltmeter

In this hands-on electronics experiment, you will build a null-balancing potentiometric voltmeter and learn how to prevent a voltmeter from changing the voltage it is measuring.


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High-Reliability Circuits

High-Reliability Circuits

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


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Introduction to Network Theorems for Circuit Analysis

Introduction to Network Theorems for Circuit Analysis

Anyone who’s studied geometry should be familiar with the…


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Lorentz Force Calculator

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.


Tools

Single-phase Induction Motors

Single-phase Induction Motors

A three-phase motor may be run from a single-phase power source.…


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Regulated Power Sources

Regulated Power Sources

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


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Strain Gauges

Strain Gauges

If a strip of conductive metal is stretched, it will become skinnier…


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Electrical Conduction in Semiconductors

Electrical Conduction in Semiconductors

In any electrically conductive substance, what are charge carriers?…


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Tube Lab - Vacuum Tube Audio Amplifier

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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Trigonometry for AC Circuits

Trigonometry for AC Circuits

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


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General Troubleshooting Tips

General Troubleshooting Tips

When first approaching a failed or otherwise misbehaving system, the…


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DC Metrology

DC Metrology

Define the following metrological terms: • Uncertainty • Accuracy…


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Hyperbolic Functions

Hyperbolic Functions

Note: all angles (x) must be expressed in units of radians for these…


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AC Lab - Automotive Alternator as AC Generator

AC Lab - Automotive Alternator as AC Generator

In this hands-on AC electronics experiment, you will use an automotive alternator to generate three-phase AC voltage and learn how alternators can function as both generators and motors.


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Time Constant Circuits

Time Constant Circuits

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


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Performance-Based Assessments for DC Circuit Competencies

Performance-Based Assessments for DC Circuit Competencies

(Template)


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DC Lab - Parallel Batteries

DC Lab - Parallel Batteries

In this hands-on electronics experiment, you will connect batteries in parallel to power a light and learn the relationship between the individual battery currents and the total system current.


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Switches, Hand Actuated

Switches, Hand Actuated

A switch is an electrical component that can “make” or…


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Contact “Bounce”

Contact “Bounce”

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


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Waveguide Calculator (Circular)

Waveguide Calculator (Circular)

This tool calculates the cutoff frequency of a circular waveguide


Tools

Capacitors

Capacitors

Identify some of the different types of capacitors, and their…


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555 Lab - Advanced Red LED Flasher

555 Lab - Advanced Red LED Flasher

In this hands-on electronics experiment, build a red LED flasher with a transistor drive to control the current and learn how to use transistors to provide current gain and how to limit LED current.


Textbook

Parallel DC Circuits Practice Worksheet With Answers

Parallel DC Circuits Practice Worksheet With Answers

In this circuit, three resistors receive the same amount of voltage…


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Stripline Max Current Calculator

Stripline Max Current Calculator

A calculator designed to calculate the maximum current that a stripline can handle


Tools

Simple Circuits

Simple Circuits

Shown here is the schematic symbol for a resistor: What is the purpose…


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Why L/R and not LR?

Why L/R and not LR?

Learn About L/R Time Constants It is often perplexing to new students…


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Torque Conversion Calculator

Torque Conversion Calculator

A tool designed to convert between units of torque


Tools

Special-output Gates

Special-output Gates

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


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Venn Diagrams and Sets

Venn Diagrams and Sets

Mathematicians use Venn diagrams to show the logical relationships of…


Textbook

555 Lab - Monostable Multivibrator (One-shot)

555 Lab - Monostable Multivibrator (One-shot)

In this hands-on electronics experiment, you will build a monostable multivibrator using a 555 timer IC and learn about RC time constant charging and how a one-shot timer operates.


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Analog Lab - 555 Oscillator (Astable Multivibrator)

Analog Lab - 555 Oscillator (Astable Multivibrator)

In this hands-on electronics experiment, build an oscillator using a 555 timer and learn the theory of operation of the 555 timer when configured as an astable multivibrator.


Textbook

Series Resistor-Inductor Circuits

Series Resistor-Inductor Circuits

In the previous section, we explored what would happen in simple…


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Single-phase Power Systems

Single-phase Power Systems

Single phase power system schematic diagram shows little about the…


Textbook

Summer and Subtractor OpAmp Circuits

Summer and Subtractor OpAmp Circuits

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


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