All About Circuits

Latest IT / Networking Education

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Flip-Flop Circuits

Flip-Flop Circuits

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


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Time Constant Calculations

Time Constant Calculations

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


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PN Junctions

PN Junctions

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


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Performance-Based Assessments for Network Analysis Competencies

Performance-Based Assessments for Network Analysis Competencies


Worksheets - IT / Networking

Summer and Subtractor OpAmp Circuits

Summer and Subtractor OpAmp Circuits

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


Worksheets - IT / Networking

Class A BJT Amplifiers

Class A BJT Amplifiers

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


Worksheets - IT / Networking

Snell’s Law Calculator

Snell’s Law Calculator

Given three of the four input parameters (refractive indices, angles of incidence, and refraction) this tool calculates the missing variable based on Snell's law.


Tools

Inverting and Noninverting OpAmp Voltage Amplifier Circuits

Inverting and Noninverting OpAmp Voltage Amplifier Circuits

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


Worksheets - IT / Networking

Vol I. Credits

Vol I. Credits

All entries arranged in alphabetical order of surname. Major…


Textbook

Node Voltage Method

Node Voltage Method

The node voltage method of DC network analysis solves for unknown…


Textbook

Nonlinear OpAmp Circuits

Nonlinear OpAmp Circuits

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


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Power Conversion Circuits

Power Conversion Circuits

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


Worksheets - IT / Networking

Optical Data Communication

Optical Data Communication

A modern alternative to sending (binary) digital information via…


Textbook

Thevenin’s, Norton’s, and Maximum Power Transfer Theorems

Thevenin’s, Norton’s, and Maximum Power Transfer Theorems

Suppose a 12 volt lead-acid battery has an internal resistance of 20…


Worksheets - IT / Networking

Data - Resistance & Superconductor

Data - Resistance & Superconductor

Tables of specific resistance and temperature coefficient of…


Textbook

DC Bridge Circuits

DC Bridge Circuits

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


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Series-Parallel DC Circuits

Series-Parallel DC Circuits

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


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Oscillator Circuits

Oscillator Circuits

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


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CMOS Logic Gates

CMOS Logic Gates

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


Worksheets - IT / Networking

Clipper and Clamper Circuits

Clipper and Clamper Circuits

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


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Conversion From Decimal Numeration

Conversion From Decimal Numeration

Because octal and hexadecimal numeration systems have bases that are…


Textbook

AC Network Analysis

AC Network Analysis

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


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CMOS Logic Gates

CMOS Logic Gates

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


Worksheets - IT / Networking

Fundamentals of SPICE programming

Fundamentals of SPICE programming

Programming a circuit simulation with SPICE is much like programming…


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

Brushless DC Motor

Brushless DC Motor

Brushless DC motors were developed from conventional brushed DC motors…


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Numbers versus Numeration

Numbers versus Numeration

It is imperative to understand that the type of numeration system used…


Textbook

Memory with moving parts: “Drives”

Memory with moving parts: “Drives”

The earliest forms of digital data storage involving moving parts was…


Textbook

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 - IT / Networking

Complex Vector Addition

Complex Vector Addition

If vectors with uncommon angles are added, their magnitudes (lengths)…


Textbook

Boolean Rules for Simplification

Boolean Rules for Simplification

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


Textbook

Differentiator and Integrator Circuits

Differentiator and Integrator Circuits

By introducing electrical reactance into the feedback loops of an…


Textbook

Phasor Mathematics

Phasor Mathematics

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


Worksheets - IT / Networking

Amplifier Gain

Amplifier Gain

The Voltage Gain Because amplifiers have the ability to increase the…


Textbook

AC Commutator Motors

AC Commutator Motors

Charles Proteus Steinmetz’s first job after arriving in America…


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SPICE Simulation of Series and Parallel Circuits

SPICE Simulation of Series and Parallel Circuits

Previously, we examined series circuits and parallel circuits using…


Textbook

Digital Display Circuits

Digital Display Circuits

What is the purpose of a seven-segment decoder circuit? What is a…


Worksheets - IT / Networking

Polyphase Motor Design

Polyphase Motor Design

AC Motors Perhaps the most important benefit of polyphase AC power…


Textbook

Solving for Unknown Time

Solving for Unknown Time

Sometimes it is necessary to determine the length of time that a…


Textbook

Bridge Circuits

Bridge Circuits

No text on electrical metering could be called complete without a…


Textbook

The Tetrode

The Tetrode

As the name suggests, the tetrode tube contains four elements: cathode…


Textbook

VSWR / Return Loss Calculator

VSWR / Return Loss Calculator

A calculator designed to compute the VSWR, reflection coefficient, return loss and matching loss in a transmission line


Tools

Introduction to Shift Registers

Introduction to Shift Registers

Shift registers, like counters, are a form of sequential…


Textbook

Bipolar Junction Transistors in Active Mode

Bipolar Junction Transistors in Active Mode

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


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The Bipolar Junction Transistor (BJT) as a Switch

The Bipolar Junction Transistor (BJT) as a Switch

Bipolar junction transistors (Also known as BJTs) can be used as an…


Textbook

Static Electricity

Static Electricity

It was discovered centuries ago that certain types of materials would…


Textbook

Inductive Reactance

Inductive Reactance

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


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Introduction to Solid-state Device Theory

Introduction to Solid-state Device Theory

This chapter will cover the physics behind the operation of…


Textbook

What is a Filter?

What is a Filter?

It is sometimes desirable to have circuits capable of selectively…


Textbook

Parallel R, L, and C

Parallel R, L, and C

We can take the same components from the series circuit and rearrange…


Textbook

Vol I. Credits

Vol I. Credits

All entries arranged in alphabetical order of surname. Major…


Textbook

Passive Filter Circuits

Passive Filter Circuits

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


Worksheets - IT / Networking

Ohmmeter Design

Ohmmeter Design

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


Textbook

Synchronous Counters

Synchronous Counters

What is a Synchronous Counter? A synchronous counter, in contrast to…


Textbook

Vol III. Credits

Vol III. Credits

All entries arranged in alphabetical order of surname. Major…


Textbook

Mutual Inductors

Mutual Inductors

Mutual inductors are inductors that capitalize the effect of mutual…


Textbook

Series-Parallel Combination AC Circuits

Series-Parallel Combination AC Circuits

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


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Differential Transistor Amplifiers

Differential Transistor Amplifiers

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


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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.


Textbook

DC Lab - Potato Battery

DC Lab - Potato Battery

In this hands-on electronics experiment, you will create a battery from a potato (yes! a potato) and learn about the relationship between chemical energy and electric energy.


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