All About Circuits

Latest Power Education

Categories

Regulated Power Sources

Regulated Power Sources

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


Worksheets - Power

Si Lab - A Simple BJT Current Mirror Circuit

Si Lab - A Simple BJT Current Mirror Circuit

In this hands-on semiconductor electronics experiment, build a simple current mirror using matched bipolar junction transistors (BJTs) and learn about current mirror circuit limitations, the temperature dependence of BJTs, and thermal runaway.


Textbook

TTL Logic Gates

TTL Logic Gates

Counting practice: count from zero to thirty-one in binary, octal, and…


Worksheets - Power

Antiderivatives of Power Functions of e

Antiderivatives of Power Functions of e

  Note: this is a very unique and useful property of e. As in…


Textbook

Logic Signal Voltage Levels

Logic Signal Voltage Levels

Input Voltages for Logic Gates Logic gate circuits are designed to…


Textbook

Si Lab - Half-wave Rectifier

Si Lab - Half-wave Rectifier

In this hands-on semiconductor electronics experiment, build a half-wave rectifier circuit using a silicon diode and learn about the differences between permanent magnet motor operation on AC vs. DC power.


Textbook

Reluctance Motor

Reluctance Motor

The variable reluctance motor is based on the principle that an…


Textbook

Intro Lab - Resistor Power Dissipation

Intro Lab - Resistor Power Dissipation

In this hands-on electronics experiment, you will examine the heat generated by resistors and maybe even make one smoke! Also, learn to calculate power dissipation using Joule's law and resistor power ratings.


Textbook

Safe Meter Usage

Safe Meter Usage

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


Textbook

Finite-length Transmission Lines

Finite-length Transmission Lines

A transmission line of infinite length is an interesting abstraction,…


Textbook

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.


Textbook

Phasor Mathematics

Phasor Mathematics

Provide a definition for phasor, as the term applies to electrical…


Worksheets - Power

Basic Electromagnetism and Electromagnetic Induction

Basic Electromagnetism and Electromagnetic Induction

When lightning strikes, nearby magnetic compass needles may be seen to…


Worksheets - Power

Shift Registers

Shift Registers

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


Worksheets - Power

High-Reliability Circuits

High-Reliability Circuits

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


Worksheets - Power

Special Transformers and Applications

Special Transformers and Applications

Impedance Matching Because transformers can step voltage and current…


Textbook

Ohmmeter Design

Ohmmeter Design

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


Textbook

Arc Flash and Arc Blast

Arc Flash and Arc Blast

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


Worksheets - Power

Thyristors

Thyristors

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


Worksheets - Power

Oscillator Circuits

Oscillator Circuits

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


Worksheets - Power

Inductor Commutating Circuits

Inductor Commutating Circuits

A popular use of diodes is for the mitigation of inductive…


Textbook

Battery Construction

Battery Construction

The word battery simply means a group of similar components. In…


Textbook

Harmonic Phase Sequences

Harmonic Phase Sequences

In the last section, we saw how the 3rd harmonic and all of its…


Textbook

Junction Diodes

Junction Diodes

There was some historic crude, but usable semiconductor…


Textbook

Permissive and Interlock Circuits

Permissive and Interlock Circuits

A practical application of switch and relay logic is in control…


Textbook

Complex Circuits

Complex Circuits

What do we do if we come across a circuit more complex than the simple…


Textbook

Microstrip Max Current Calculator

Microstrip Max Current Calculator

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


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

Contributors (15)

Contributors (15)

Contributors to this chapter are listed in chronological order of…


Textbook

Design Project: Logic Probe

Design Project: Logic Probe

What factors determine where potentiometers Rpot1 and Rpot2 must be…


Worksheets - Power

Atomic Structure

Atomic Structure

Shown here is a simplified representation of an atom: the smallest…


Worksheets - Power

Digital Lab - 3-bit Binary Counter

Digital Lab - 3-bit Binary Counter

In this hands-on electronics experiment, build a 3-bit down counter using J-K flip-flops and learn about asynchronous counter functionality.


Textbook

Regulated Power Sources

Regulated Power Sources

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


Worksheets - Power

Trigonometric Derivatives

Trigonometric Derivatives

    RELATED WORKSHEETS: Calculus for Electric Circuits…


Textbook

Phase Rotation

Phase Rotation

Three-Phase Alternator Let’s take the three-phase alternator…


Textbook

Time Constant Calculations

Time Constant Calculations

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


Worksheets - Power

Microprocessors

Microprocessors

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


Textbook

Analysis Options

Analysis Options

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


Textbook

Series Resistor-Inductor Circuits

Series Resistor-Inductor Circuits

In the previous section, we explored what would happen in simple…


Textbook

Simple Series Resonance

Simple Series Resonance

A similar effect happens in series inductive/capacitive circuits. When…


Textbook

Junction Field-effect Transistors

Junction Field-effect Transistors

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


Textbook

Digital Codes

Digital Codes

Counting practice: count from zero to thirty-one in binary, octal, and…


Worksheets - Power

Questions relating to project management

Questions relating to project management

NAME:…


Worksheets - Power

Design Project: Sensitive Audio Detector

Design Project: Sensitive Audio Detector

The choice of step-down transformers to use in a project such as this…


Worksheets - Power

Derivatives of Power Functions of e

Derivatives of Power Functions of e

Example Derivatives of e Proportionality Constant When we say that a…


Textbook

TTL NOR and OR gates

TTL NOR and OR gates

TTL Circuit Analysis Let’s examine the following TTL circuit and…


Textbook

Resistor Color Codes

Resistor Color Codes

Try out our Resistor Color Code Calculator in our Tools section.…


Textbook

Thyristors

Thyristors

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


Worksheets - Power

Transistor Ratings and Packages (JFET)

Transistor Ratings and Packages (JFET)


Textbook

True, Reactive, and Apparent Power

True, Reactive, and Apparent Power

Reactive Power We know that reactive loads such as inductors and…


Textbook

Vol II. Credits

Vol II. Credits

All entries arranged in alphabetical order of surname. Major…


Textbook

Basic Logic Gates

Basic Logic Gates

Identify the type of logic gate shown in this schematic diagram, and…


Worksheets - Power

What Are Electric Circuits?

What Are Electric Circuits?

You might have been wondering how charges can continuously flow in a…


Textbook

Ring Counters

Ring Counters

If the output of a shift register is fed back to the input. a ring…


Textbook

Bandpass Filter Calculator

Bandpass Filter Calculator

This calculates values of the inductance, capacitance of an inductor and capacitor used in a Butterworth LC bandpass filter.


Tools

AC phase

AC phase

If we were to express the series-connected DC voltages as phasors…


Worksheets - Power

AC Negative Feedback OpAmp Circuits

AC Negative Feedback OpAmp Circuits

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


Worksheets - Power

Junction field-effect transistors (JFET)

Junction field-effect transistors (JFET)

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


Worksheets - Power

Integrated Circuits

Integrated Circuits

  A Logic Gate is assigned as an elementary building block of…


Textbook

What is Norton’s Theorem and the Norton Equivalent Circuit?

What is Norton’s Theorem and the Norton Equivalent Circuit?

This article explains the step-by-step process for determining the…


Textbook