All About Circuits

Latest Oscilloscopes Education

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Specific Troubleshooting Techniques

Specific Troubleshooting Techniques

After applying some of the general troubleshooting tips to narrow the…


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Computational Circuits

Computational Circuits

When someone mentions the word “computer,” a digital…


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Basic Operational Amplifiers

Basic Operational Amplifiers

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


Worksheets - Oscilloscopes

Nonlinear OpAmp Circuits

Nonlinear OpAmp Circuits

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


Worksheets - Oscilloscopes

Overcurrent Protection

Overcurrent Protection

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


Worksheets - Oscilloscopes

BJT Amplifier Troubleshooting

BJT Amplifier Troubleshooting

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


Worksheets - Oscilloscopes

Wattmeter Design

Wattmeter Design

Power in an electric circuit is the product (multiplication) of…


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Basic Ammeter Use

Basic Ammeter Use

Show how this ammeter would be connected to the light bulb circuit to…


Worksheets - Oscilloscopes

PN Junctions

PN Junctions

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


Worksheets - Oscilloscopes

Active Filters

Active Filters

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


Worksheets - Oscilloscopes

Time Constant Circuits

Time Constant Circuits

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


Worksheets - Oscilloscopes

Millman’s Theorem

Millman’s Theorem

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


Worksheets - Oscilloscopes

Hand Calculator Use

Hand Calculator Use

To enter numbers in scientific notation into a hand calculator, there…


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Simple Circuits

Simple Circuits

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


Worksheets - Oscilloscopes

AC Lab - Musical Keyboard as a Signal Generator

AC Lab - Musical Keyboard as a Signal Generator

In this hands-on AC electronics experiment, an electronic musical keyboard will be used as a variable-frequency AC signal generator to learn the difference between AC amplitude and frequency.


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Wire-by-Number project kit introduction

Wire-by-Number project kit introduction

Wire-by-Number project: simple voltage divider Description: Build a…


Worksheets - Oscilloscopes

Conductor Ampacity

Conductor Ampacity

The smaller the cross-sectional area of any given wire, the greater…


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Display Tubes

Display Tubes

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


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DC Motor Theory

DC Motor Theory

If the ends of a wire loop are attached to two half-circular metal…


Worksheets - Oscilloscopes

Thyristors

Thyristors

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


Worksheets - Oscilloscopes

DC Lab - Thermoelectricity

DC Lab - Thermoelectricity

In this hands-on electronics experiment, you will build a thermocouple to measure temperature changes and learn about the Seebeck effect.


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Capacitors

Capacitors

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


Worksheets - Oscilloscopes

Class B BJT Amplifiers

Class B BJT Amplifiers

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


Worksheets - Oscilloscopes

Counters

Counters

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


Worksheets - Oscilloscopes

AC Network Analysis

AC Network Analysis

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


Worksheets - Oscilloscopes

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…


Worksheets - Oscilloscopes

Logarithms

Logarithms

Definition of a Logarithm     “log” denotes a…


Textbook

Microprocessors

Microprocessors

Early computer science pioneers such as Alan Turing and John Von…


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Single-phase Power Systems

Single-phase Power Systems

Single phase power system schematic diagram shows little about the…


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Intro Lab - Nonlinear Resistance

Intro Lab - Nonlinear Resistance

In this hands-on electronics experiment, you will compare the resistance of a lamp filament in its on and off states and learn about nonlinear resistances by applying Ohm's law.


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Noise Figure and Noise Temperature Calculator

Noise Figure and Noise Temperature Calculator

This calculator computes the noise figure and noise temperature in a system


Tools

Electromagnetic Induction

Electromagnetic Induction

While Oersted’s surprising discovery of electromagnetism paved…


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Electromagnetism

Electromagnetism

The discovery of the relationship between magnetism and electricity…


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DC Lab - Voltage Divider

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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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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Broadside Coupled Stripline Impedance Calculator

Broadside Coupled Stripline Impedance Calculator

This calculator helps you compute the characteristic impedance of a broadside coupled stripline.


Tools

Inductors

Inductors

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


Worksheets - Oscilloscopes

Series LED Resistor Calculator

Series LED Resistor Calculator

This series LED resistance calculator is perfect for when you have a single LED or a number of the same color of LEDs in series and need to know which resistor you should use.


Tools

Introduction to Bipolar Junction Transistors (BJT)

Introduction to Bipolar Junction Transistors (BJT)

The invention of the bipolar transistor in 1948 ushered in a…


Textbook

AC Instrumentation Transducers

AC Instrumentation Transducers

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


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DC Branch Current Analysis

DC Branch Current Analysis

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


Worksheets - Oscilloscopes

Arc Flash and Arc Blast

Arc Flash and Arc Blast

Electromechanical relays used to start and stop high-power electric…


Worksheets - Oscilloscopes

DC Motor Theory

DC Motor Theory

If the ends of a wire loop are attached to two half-circular metal…


Worksheets - Oscilloscopes

Digital Logic Functions

Digital Logic Functions

We can construct a simple logic functions for our hypothetical lamp…


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Binary Count Sequence

Binary Count Sequence

If we examine a four-bit binary count sequence from 0000 to 1111, a…


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Other Waveshapes

Other Waveshapes

As strange as it may seem, any repeating, non-sinusoidal waveform is…


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