All About Circuits

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Intro Lab - Circuit With a Switch

Intro Lab - Circuit With a Switch

In this hands-on electronics experiment, you will control a light with a switch and learn the basics of connecting toggle (on/off) switches into circuits.


Textbook

Torque Conversion Calculator

Torque Conversion Calculator

A tool designed to convert between units of torque


Tools

What is Alternating Current (AC)?

What is Alternating Current (AC)?

Most students of electricity begin their study with what is known as…


Textbook

Capacitor Charge and Time Constant Calculator

Capacitor Charge and Time Constant Calculator

This calculator computes for the capacitor charge time and energy, given the supply voltage and the added series resistance.


Tools

Contributors (9)

Contributors (9)

Contributors to this chapter are listed in chronological order of…


Textbook

RF Power Conversion Calculator

RF Power Conversion Calculator

A tool designed to convert RF power from watts to decibels and vice versa


Tools

Microstrip Wavelength Calculator

Microstrip Wavelength Calculator

A tool designed to calculate the guided wavelength inside a microstrip.


Tools

Power Added Efficiency Calculator

Power Added Efficiency Calculator

A calculator designed to compute the power-added efficiency (PAE) of an amplifier


Tools

Soldering

Soldering

Both soldering irons and soldering guns are tools used in the process…


Worksheets - Electromechanical

Heat Sink Calculator

Heat Sink Calculator

This calculator helps determine the maximum temperature a device can withstand


Tools

DIY EE Lab - Introduction to Electronics Projects

DIY EE Lab - Introduction to Electronics Projects

To learn about electronics, you must eventually engage in hands-on experimentation. Knowledge gleaned from books alone has limited use in scientific endeavors. Troubleshooting a circuit can be as important as the knowledge gained from a properly functioning experiment.


Textbook

Intro Lab - Electromagnetic Induction

Intro Lab - Electromagnetic Induction

In this hands-on electronics experiment, you will learn about electromagnetic induction using an electromagnet and a permanent magnet.


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AC Motor Control Circuits

AC Motor Control Circuits

Perhaps the most challenging aspect of interpreting ladder diagrams,…


Worksheets - Electromechanical

Time Constant Circuits

Time Constant Circuits

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


Worksheets - Electromechanical

AC Generator Theory

AC Generator Theory

If an electric current is passed through this wire, which direction…


Worksheets - Electromechanical

Series and Parallel Inductors

Series and Parallel Inductors

When inductors are connected in series, the total inductance is the…


Textbook

555 Lab - Introduction to the 555 Timer IC

555 Lab - Introduction to the 555 Timer IC

In this collection of hands-on electronics experiments, build and test mixed-signal analog and digital circuits using the versatile 555 timer IC. These projects will teach you about RC time constants, duty cycle, transistor current drive, LEDs, voltage doublers, and more.


Textbook

Modern Nonmechanical Memory

Modern Nonmechanical Memory

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


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Depletion-type IGFETs

Depletion-type IGFETs

Insulated gate field-effect transistors are unipolar devices just like…


Textbook

The NOT Gate

The NOT Gate

The single-transistor inverter circuit illustrated earlier is actually…


Textbook

Introduction to Operational Amplifiers (Op-amps)

Introduction to Operational Amplifiers (Op-amps)

What is an Operational Amplifier (Op-amp)? Operational Amplifiers,…


Textbook

Digital-to-Analog Conversion

Digital-to-Analog Conversion

If a pulse-width modulated (PWM) signal is sent to a passive…


Worksheets - Electromechanical

IGBTs

IGBTs

Because of their insulated gates, IGFETs of all types have extremely…


Textbook

Thyristors

Thyristors

Thyristors are a broad classification of bipolar-conducting…


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Programmable Logic Controllers (PLC)

Programmable Logic Controllers (PLC)

Before the advent of solid-state logic circuits, logical control…


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Capacitor Quirks

Capacitor Quirks

As with inductors, the ideal capacitor is a purely reactive device,…


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Ohm’s Law

Ohm’s Law

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


Worksheets - Electromechanical

Analog Lab - High-impedance Voltmeter

Analog Lab - High-impedance Voltmeter

In this hands-on electronics experiment, you will build a high-impedance voltmeter and learn about circuit loading and how to use op amps to reduce loading effects.


Textbook

The Common-base Amplifier

The Common-base Amplifier

The final transistor amplifier configuration (Figure below) we need to…


Textbook

Digital Memory Terms and Concepts

Digital Memory Terms and Concepts

When we store information in some kind of circuit or device, we not…


Textbook

Voltage-to-Current Signal Conversion

Voltage-to-Current Signal Conversion

In instrumentation circuitry, DC signals are often used as analog…


Textbook

Op-Amp Data

Op-Amp Data

Parametric data for all semiconductor op-amp models except the CA3130…


Textbook

L-Match Impedance Matching Circuits

L-Match Impedance Matching Circuits

This calculator is designed to compute for the parameters needed to design a L-Match Impedance Circuit


Tools

AC Lab - Induction Motor

AC Lab - Induction Motor

In this hands-on AC electronics experiment, build a simple AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.


Textbook

Junction Diodes

Junction Diodes

There was some historic crude, but usable semiconductor…


Textbook

Questions to Ask Before Proceeding

Questions to Ask Before Proceeding

Has the system ever worked before? If yes, has anything happened to…


Textbook

BJT Amplifier Troubleshooting

BJT Amplifier Troubleshooting

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


Worksheets - Electromechanical

The Cascode Amplifier

The Cascode Amplifier

While the C-B (common-base) amplifier is known for wider bandwidth…


Textbook

The Instrumentation Amplifier

The Instrumentation Amplifier

What Is an Instrumentation Amplifier? An instrumentation amplifier…


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Inductors

Inductors

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


Worksheets - Electromechanical

Passive Integrator and Differentiator Circuits

Passive Integrator and Differentiator Circuits

∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…


Worksheets - Electromechanical

Look-up Tables

Look-up Tables

Having learned about digital memory devices in the last chapter, we…


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