All About Circuits

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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

Class A BJT Amplifiers

Class A BJT Amplifiers

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


Worksheets - Data Converters

The “Operational” Amplifier

The “Operational” Amplifier

Long before the advent of digital electronic technology, computers…


Textbook

AC Network Analysis

AC Network Analysis

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


Worksheets - Data Converters

AC Waveforms

AC Waveforms

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


Worksheets - Data Converters

Basic Troubleshooting Strategies

Basic Troubleshooting Strategies

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


Worksheets - Data Converters

Passive Filter Circuits

Passive Filter Circuits

In very simple, qualitative terms, rate the impedance of capacitors…


Worksheets - Data Converters

Feedback

Feedback

If some percentage of an amplifier’s output signal is connected…


Textbook

AC Lab - Frequency Analysis

AC Lab - Frequency Analysis

In this hands-on AC electronics experiment, use the frequency spectrum display from an oscilloscope program to observe waveforms from a musical keyboard and learn about spectral analysis.


Textbook

Open-Loop OpAmp Circuits

Open-Loop OpAmp Circuits

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


Worksheets - Data Converters

What is a Filter?

What is a Filter?

It is sometimes desirable to have circuits capable of selectively…


Textbook

LC Resonant Frequency Calculator

LC Resonant Frequency Calculator

A circuit with an inductor (L) and capacitor (C) connected in parallel or series will have a resonant frequency at which their impedances are equal. Given two of the three values—inductance, capacitance, or resonant frequency—this tool will calculate the missing third variable.


Tools

Si Lab - Light Sensor (LED Photodetector)

Si Lab - Light Sensor (LED Photodetector)

In this hands-on semiconductor electronics experiment, use an LED as a light-sensitive photodetector and learn how to use a bipolar transistor in a common-emitter amplifier configuration.


Textbook

Summer and Subtractor OpAmp Circuits

Summer and Subtractor OpAmp Circuits

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


Worksheets - Data Converters

Radio Circuits

Radio Circuits

(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…


Textbook

The “Operational” Amplifier

The “Operational” Amplifier

Long before the advent of digital electronic technology, computers…


Textbook

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

Square Root, Cube Root, and Nth Root Calculator

Square Root, Cube Root, and Nth Root Calculator

This calculator will determine the square root, cube root, or nth root of a given number, x.


Tools

Battery Life Calculator

Battery Life Calculator

This calculator provides three options—basic, intermediate, and advanced—for determining expected battery life for microcontroller, Internet of Things (IoT), and edge processing systems with up to four different operating modes.


Tools

Performance-Based Assessments for AC Circuit Competencies

Performance-Based Assessments for AC Circuit Competencies

(Template)


Worksheets - Data Converters

Oscillator Circuits

Oscillator Circuits

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


Worksheets - Data Converters

Design Project: Signal Generator

Design Project: Signal Generator

Explain the principle of operation for the particular integrated…


Worksheets - Data Converters

Performance-Based Assessments for Analog Integrated Circuit Competencies

Performance-Based Assessments for Analog Integrated Circuit Competencies


Worksheets - Data Converters

Three-phase Power Systems

Three-phase Power Systems

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


Textbook

Transistor Ratings and Packages (BJT)

Transistor Ratings and Packages (BJT)

Like all electrical and electronic components, transistors are limited…


Textbook

AC Lab - Build a Transformer

AC Lab - Build a Transformer

In this hands-on AC electronics experiment, build a simple transformer and learn some important transformer fundamentals including voltage step-up and step-down.


Textbook

Wire Stripline Impedance Calculator

Wire Stripline Impedance Calculator

A calculator for computing the impedance of a wire stripline.


Tools

Thyristor Application Circuits

Thyristor Application Circuits

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


Worksheets - Data Converters

Electromagnetism

Electromagnetism

The discovery of the relationship between magnetism and electricity…


Textbook

Kelvin (4-wire) Resistance Measurement

Kelvin (4-wire) Resistance Measurement

Suppose we wished to measure the resistance of some component located…


Textbook

Bipolar Junction Transistors in Active Mode

Bipolar Junction Transistors in Active Mode

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


Worksheets - Data Converters

Radicals

Radicals

Definition of a Radical Given the expression where “x” is…


Textbook

Wavelength (TEM) Calculator

Wavelength (TEM) Calculator

This calculator determines the wavelength of a signal given the frequency and dielectric constant.


Tools

Ohm’s Law

Ohm’s Law

For a given amount of water pressure, which will flow a greater rate…


Worksheets - Data Converters

An Analogy for Divided Feedback

An Analogy for Divided Feedback

A helpful analogy for understanding divided feedback amplifier…


Textbook

Practical Considerations - Batteries

Practical Considerations - Batteries

When connecting batteries together to form larger “banks”…


Textbook

Characteristic Impedance

Characteristic Impedance

Note the “50 ohm” rating printed on the jacket of the cable. What…


Worksheets - Data Converters

Series and Parallel AC Circuits

Series and Parallel AC Circuits

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


Worksheets - Data Converters

Susceptance and Admittance

Susceptance and Admittance

What is Conductance? In the study of DC circuits, the student of…


Textbook

Intro Lab - How to Use an Ammeter to Measure Current

Intro Lab - How to Use an Ammeter to Measure Current

In this hands-on introduction to electronics, you will experiment with a multimeter and learn how to measure current using the ammeter function.


Textbook

Mutual Inductance

Mutual Inductance

When an electric current is passed through a coil of wire, what…


Worksheets - Data Converters

Microwave Tubes

Microwave Tubes

For extremely high-frequency applications (above 1 GHz), the…


Textbook

Shift Registers: Serial-in, Serial-out

Shift Registers: Serial-in, Serial-out

Serial-in, serial-out shift registers delay data by one clock time for…


Textbook