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Specific Resistance of Conductors

Specific Resistance of Conductors

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


Worksheets - Oscilloscopes

Junction field-effect transistors (JFET)

Junction field-effect transistors (JFET)

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


Worksheets - Oscilloscopes

AC Lab - PC Oscilloscope

AC Lab - PC Oscilloscope

In this hands-on AC electronics experiment, use a PC-based oscilloscope program to observe waveforms from a musical keyboard and learn basic oscilloscope operation.


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Voltmeter Impact on Measured Circuit

Voltmeter Impact on Measured Circuit

Every meter impacts the circuit it is measuring to some extent, just…


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Timer Circuits

Timer Circuits

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


Worksheets - Oscilloscopes

Overcurrent Protection

Overcurrent Protection

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


Worksheets - Oscilloscopes

Impedance

Impedance

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


Worksheets - Oscilloscopes

Thyristor Application Circuits

Thyristor Application Circuits

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


Worksheets - Oscilloscopes

Miscellaneous Diode Applications

Miscellaneous Diode Applications

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


Worksheets - Oscilloscopes

JFET Amplifiers

JFET Amplifiers

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


Worksheets - Oscilloscopes

AC Waveforms

AC Waveforms

When an alternator produces AC voltage, the voltage switches polarity…


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Display Tubes

Display Tubes

In addition to performing tasks of amplification and switching, tubes…


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Potentiometers

Potentiometers

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


Worksheets - Oscilloscopes

Design Project: AC-DC Power Supply

Design Project: AC-DC Power Supply

Safety is very important when designing and/or building a device…


Worksheets - Oscilloscopes

Step-up, Step-down, and Isolation Transformers

Step-up, Step-down, and Isolation Transformers

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


Worksheets - Oscilloscopes

Measurements of AC Magnitude

Measurements of AC Magnitude

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


Textbook

BJT Amplifier Troubleshooting

BJT Amplifier Troubleshooting

As an instructor of electronics, I am called upon frequently to help…


Worksheets - Oscilloscopes

Power Conversion Circuits

Power Conversion Circuits

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


Worksheets - Oscilloscopes

Basic Troubleshooting Strategies

Basic Troubleshooting Strategies

A chandelier has five light bulbs in it, and one of them is not…


Worksheets - Oscilloscopes

Power Quality Measurement

Power Quality Measurement

It used to be with large AC power systems that “power…


Textbook

Specific Resistance of Conductors

Specific Resistance of Conductors

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


Worksheets - Oscilloscopes

Digital Lab - 7-segment LED Display

Digital Lab - 7-segment LED Display

In this hands-on electronics experiment, you will control a 7-segment binary-coded decimal (BCD) display and learn about active-low and active-high logic inputs.


Textbook

Junction field-effect transistors (JFET)

Junction field-effect transistors (JFET)

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


Worksheets - Oscilloscopes

Analog Lab - PWM Power Controller

Analog Lab - PWM Power Controller

In this hands-on electronics experiment, you will build a pulse-width modulator power controller for a light and learn the basics of PWM signals.


Textbook

Differential Transistor Amplifiers

Differential Transistor Amplifiers

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


Worksheets - Oscilloscopes

IGFET Amplifiers

IGFET Amplifiers

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


Worksheets - Oscilloscopes

Oscillator Circuits

Oscillator Circuits

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


Worksheets - Oscilloscopes

Resistors

Resistors

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


Worksheets - Oscilloscopes

Creating Custom Calibration Resistances

Creating Custom Calibration Resistances

Often in the course of designing and building electrical meter…


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Safe Meter Usage

Safe Meter Usage

Using an electrical meter safely and efficiently is perhaps the most…


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Tachogenerators

Tachogenerators

An electromechanical generator is a device capable of producing…


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Current Divider Circuits

Current Divider Circuits

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


Worksheets - Oscilloscopes

AC Waveforms

AC Waveforms

Radio waves are comprised of oscillating electric and magnetic fields,…


Worksheets - Oscilloscopes

Power Measurement

Power Measurement

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


Textbook

Autotransformers

Autotransformers

How much voltage is there between the following pairs of points in…


Worksheets - Oscilloscopes

Thyristors

Thyristors

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


Worksheets - Oscilloscopes

Timer Circuits

Timer Circuits

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


Worksheets - Oscilloscopes

Intermediate Electromagnetism and Electromagnetic Induction

Intermediate Electromagnetism and Electromagnetic Induction

As an electric current is passed through a coil of wire, it creates a…


Worksheets - Oscilloscopes

Basic Ohmmeter Use

Basic Ohmmeter Use

Explain how an ohmmeter is able to measure the resistance of a…


Worksheets - Oscilloscopes

Miscellaneous Diode Applications

Miscellaneous Diode Applications

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


Worksheets - Oscilloscopes

Modern Nonmechanical Memory

Modern Nonmechanical Memory

Now we can proceed to studying specific types of digital storage…


Textbook

The R/2nR DAC: Binary-Weighted-Input Digital-to-Analog Converter

The R/2nR DAC: Binary-Weighted-Input Digital-to-Analog Converter

What Is a R/2nR DAC Circuit? The R/2nR DAC circuit, otherwise known as…


Textbook

Step-up and Step-down Transformers

Step-up and Step-down Transformers

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


Textbook

Circuit Effects

Circuit Effects

The principle of non-sinusoidal, repeating waveforms being equivalent…


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Inductors

Inductors

∫f(x) dx Calculus alert! A 5 H inductor is subjected to an electric…


Worksheets - Oscilloscopes

Safety Grounding

Safety Grounding

In simple AC power systems, one of the two conductors is typically…


Worksheets - Oscilloscopes

Operational Amplifier Models

Operational Amplifier Models

While mention of operational amplifiers typically provokes visions of…


Textbook

Boolean Rules for Simplification

Boolean Rules for Simplification

Boolean algebra finds its most practical use in the simplification of…


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The Triode

The Triode

De Forest’s Audion tube came to be known as the triode tube…


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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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Capacitance Calculator

Capacitance Calculator

This calculates the capacitance of a capacitor based on its charge, Q, and its voltage, V, according to the formula, C=Q/V.


Tools

Meter Check of a Transistor (BJT)

Meter Check of a Transistor (BJT)

Bipolar transistors are constructed of a three-layer semiconductor…


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Microprocessor Programming

Microprocessor Programming

What is the difference between a JMP (“jump”) instruction and a…


Worksheets - Oscilloscopes

Amplifiers

Amplifiers

Practical Benefit of Active Devices The practical benefit of active…


Textbook

MESFETs

MESFETs


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Analysis Options

Analysis Options

AC ANALYSIS: General form: .ac [curve] [points] [start] [final]…


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Link Budget Calculator

Link Budget Calculator

A Link Budget puts into account all gains and losses a signal goes through in a system as it is transmitted. The calculator calculates the power of the received signal given amplifier and antenna gains, and medium loss.


Tools

More on AC “polarity”

More on AC “polarity”

Complex numbers are useful for AC circuit analysis because they…


Textbook

Vol III. Credits

Vol III. Credits

All entries arranged in alphabetical order of surname. Major…


Textbook

Si Lab - JFET Current Regulator

Si Lab - JFET Current Regulator

In this hands-on semiconductor electronics experiment, build a junction field-effect transistor (JFET) current regulator and learn some of the advantages of JFETs over BJTs for current regulation.


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