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Regulated Power Sources

Regulated Power Sources

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


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What Are Zener Diodes?

What Are Zener Diodes?

What Is a Zener Diode? A Zener diode is a special type of rectifying…


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Voltage and Current

Voltage and Current

As was previously mentioned, we need more than just a continuous path…


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Linear Computational Circuitry

Linear Computational Circuitry

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


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How to Use Thevenin’s Theorem

How to Use Thevenin’s Theorem

This page will walk you step-by-step through the process of…


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Performance-Based Assessments for AC Circuit Competencies

Performance-Based Assessments for AC Circuit Competencies

(Template)


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Input and Output Coupling

Input and Output Coupling

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


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Junction field-effect transistors (JFET)

Junction field-effect transistors (JFET)

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


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Oscillator Circuits

Oscillator Circuits

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


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Optoelectronic Devices

Optoelectronic Devices

In this circuit, the electric motor is supposed to turn on whenever…


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Time-Delay Electromechanical Relays

Time-Delay Electromechanical Relays

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


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Basic Voltmeter Use

Basic Voltmeter Use

What will this voltmeter register when connected to a battery as shown…


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Ohmmeter Design

Ohmmeter Design

Though mechanical ohmmeter (resistance meter) designs are rarely used…


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Time Constant Circuits

Time Constant Circuits

Generally speaking, how many “time constants” worth of time does…


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Three-phase Power Systems

Three-phase Power Systems

What is Split-Phase Power Systems? Split-phase power systems achieve…


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Sources of Electricity

Sources of Electricity

What is the difference between DC and AC electricity? Identify some…


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Class A BJT Amplifiers

Class A BJT Amplifiers

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


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Si Lab - Zener Diode Voltage Regulator

Si Lab - Zener Diode Voltage Regulator

In this hands-on semiconductor electronics experiment, build a simple DC voltage regulator circuit and learn how to use reverse-biased Zener diodes as voltage clamps.


Textbook

Kirchhoff’s Laws

Kirchhoff’s Laws

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


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Basic Electricity Worksheet

Basic Electricity Worksheet

What is the purpose of the switch shown in this schematic diagram?


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Ohm’s Law (again!)

Ohm’s Law (again!)

A common phrase heard in reference to electrical safety goes something…


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JFET Amplifiers

JFET Amplifiers

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


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Don’t Care Cells in the Karnaugh Map

Don’t Care Cells in the Karnaugh Map

Up to this point we have considered logic reduction problems where…


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Capacitors

Capacitors

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


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Time Constant Circuits

Time Constant Circuits

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


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Electron Versus Conventional Flow

Electron Versus Conventional Flow

In this electrical circuit, trace the direction of current through the…


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Parallel Resistor Calculator

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

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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Static Electricity

Static Electricity

What does it mean for an object to have an electric charge? Give an…


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Class B BJT Amplifiers

Class B BJT Amplifiers

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


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Flyback Switch Mode Regulator Calculator

Flyback Switch Mode Regulator Calculator

A calculator for computing several parameters needed in the design of a flyback switch mode regulator


Tools

Factors Affecting Capacitance

Factors Affecting Capacitance

There are three basic factors of capacitor construction determining…


Textbook

Overcurrent Protection

Overcurrent Protection

What hazards might be posed by a circuit with excessive current going…


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Mesh Current Method (Loop Current Method)

Mesh Current Method (Loop Current Method)

This page provides a step-by-step introduction to using the mesh…


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Junction Field-effect Transistors

Junction Field-effect Transistors

The field effect transistor was proposed by Julius Lilienfeld in US…


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Inverting and Noninverting OpAmp Voltage Amplifier Circuits

Inverting and Noninverting OpAmp Voltage Amplifier Circuits

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


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Power Measurement

Power Measurement

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


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Millman’s Theorem

Millman’s Theorem

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


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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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Peak Voltage Calculator

Peak Voltage Calculator

The peak voltage calculator calculates peak voltage values from the peak-to-peak voltage, RMS voltage, or average voltage.


Tools

Finite State Machines

Finite State Machines

Up to now, every circuit that was presented was a combinatorial…


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Switches

Switches

What is the purpose of the switch shown in this schematic diagram?


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Basic Oscilloscope Operation

Basic Oscilloscope Operation

An oscilloscope is a very useful piece of electronic test equipment.…


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AC Negative Feedback OpAmp Circuits

AC Negative Feedback OpAmp Circuits

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


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Microstrip Max Current Calculator

Microstrip Max Current Calculator

A calculator for solving the maximum current a microstrip can handle.


Tools

The Silicon-Controlled Switch (SCS)

The Silicon-Controlled Switch (SCS)

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


Textbook

Other Diode Technologies

Other Diode Technologies

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


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Basic Electromagnetic Relays

Basic Electromagnetic Relays

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


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The Importance of Electrical Safety

The Importance of Electrical Safety

With this lesson, I hope to avoid a common mistake found in…


Textbook

AC Lab - Sensitive Voltage Detector with Audio Output

AC Lab - Sensitive Voltage Detector with Audio Output

In this hands-on electronics experiment, you will construct a voltage detector with adjustable sensitivity and audio output, and you will learn a method for detecting small electrical signals without an oscilloscope.


Textbook

DC Lab - Build Your Own Multimeter

DC Lab - Build Your Own Multimeter

In this hands-on electronics experiment, you will build a simple voltmeter and ammeter while learning some fundamentals about circuit measurements.


Textbook

Power in Electric Circuits

Power in Electric Circuits

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


Textbook

DC Lab - Rheostat Range Limiting

DC Lab - Rheostat Range Limiting

In this hands-on electronics experiment, you will use series and parallel resistor networks to precisely adjust the range and zero point of a rheostat.


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Transistor Ratings and Packages (JFET)

Transistor Ratings and Packages (JFET)


Textbook

Oscilloscope Trigger Controls

Oscilloscope Trigger Controls

A very useful tool for observing rotating objects is a strobe light.…


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Introduction to Conductance and Conductors

Introduction to Conductance and Conductors

By now you should be well aware of the correlation between electrical…


Textbook

Slope (integrating) ADC

Slope (integrating) ADC

So far, we’ve only been able to escape the sheer volume of…


Textbook

Electrical Connections

Electrical Connections

What, exactly, is necessary to establish electrical continuity between…


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Performance-Based Assessments for Digital Circuit Competencies

Performance-Based Assessments for Digital Circuit Competencies

(Template)


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Decibel Measurements

Decibel Measurements

During the early development of telephone technology, a unit was…


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