All About Circuits

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Electrical Connections

Electrical Connections

What, exactly, is necessary to establish electrical continuity between…


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DIY EE Lab - Setting Up a Home Electronics Lab

DIY EE Lab - Setting Up a Home Electronics Lab

To build the DIY electronics projects described in this textbook, you will need a small work area, a few tools, and some basic electronics supplies. This page describes the setup of a low-cost home electronics laboratory.


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Rules for Derivatives

Rules for Derivatives

Constant rule Rule of sums Rule of differences Product rule Quotient…


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Specific Resistance

Specific Resistance

Designing Wire Resistance Conductor ampacity rating is a crude…


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Contactors

Contactors

All About Contactors When a relay is used to switch a large amount of…


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AC Lab - Automotive Alternator as AC Generator

AC Lab - Automotive Alternator as AC Generator

In this hands-on AC electronics experiment, you will use an automotive alternator to generate three-phase AC voltage and learn how alternators can function as both generators and motors.


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Common Antiderivatives

Common Antiderivatives

 


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Networks and Busses

Networks and Busses

The wires between the tank and the monitoring location is  called…


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Electrical Signal Types

Electrical Signal Types

With BogusBus, our signals were very simple and straightforward: each…


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Contact “Normal” State and Make/Break Sequence

Contact “Normal” State and Make/Break Sequence

Any kind of switch contact can be designed so that the contacts…


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Resistance

Resistance

The circuit in the previous section is not a very practical one. In…


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Safety Grounding

Safety Grounding

In simple AC power systems, one of the two conductors is typically…


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The Antiderivative (Indefinite Integral)

The Antiderivative (Indefinite Integral)

  Notice something important here: taking the derivative of f(x)…


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Rules for Antiderivatives

Rules for Antiderivatives

Constant Rule     Rule of Sums     Rule of…


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Arithmetic Properties

Arithmetic Properties

Associative Property In addition and multiplication, terms may be…


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Circuit Wiring

Circuit Wiring

So far, we’ve been analyzing single-battery, single-resistor…


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Conductors, Insulators, and Electron Flow

Conductors, Insulators, and Electron Flow

The electrons of different types of atoms have different degrees of…


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Solving Simultaneous Equations: The Substitution Method and the Addition Method

Solving Simultaneous Equations: The Substitution Method and the Addition Method

What are Simultaneous Equations and Systems of Equations? The terms…


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Conductor Size

Conductor Size

It should be common-sense knowledge that liquids flow through…


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Wire Types and Sizes

Wire Types and Sizes

Most electrical wire is covered in a rubber or plastic coating called…


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Switch Contact Design

Switch Contact Design

A switch can be constructed with any mechanism bringing two conductors…


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Building Resistor Circuits Using Breadboards, Perfboards, and Terminal Strips

Building Resistor Circuits Using Breadboards, Perfboards, and Terminal Strips

Over the course of learning about electricity, you will want to…


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Meter Check of a Diode

Meter Check of a Diode

The Functionality of Diode Polarity Being able to determine the…


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Si Lab - Commutating Diode

Si Lab - Commutating Diode

In this hands-on semiconductor electronics experiment, build a simple circuit that will teach you how to use a commutating diode to reduce inductive kickback.


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Microstrip Trace Width Calculator

Microstrip Trace Width Calculator

This tool is designed to compute for the trace width of a microstrip


Tools

Edge-triggered Latches: Flip-Flops

Edge-triggered Latches: Flip-Flops

So far, we’ve studied both S-R and D latch circuits with enable…


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Current Divider Circuits and the Current Divider Formula

Current Divider Circuits and the Current Divider Formula

A parallel circuit is often called a current divider for its ability…


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DC Metrology

DC Metrology

Define the following metrological terms: • Uncertainty • Accuracy…


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Circuits and the Speed of Light

Circuits and the Speed of Light

Suppose we had a simple one-battery, one-lamp circuit controlled by a…


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Parallel Resistor-Inductor Circuits

Parallel Resistor-Inductor Circuits

Let’s take the same components for our series example circuit…


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Symmetric Stripline Impedance Calculator

Symmetric Stripline Impedance Calculator

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


Tools

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…


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Attenuators

Attenuators

What is Attenuators? Attenuators are passive devices. It is…


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Wound Rotor Induction Motors

Wound Rotor Induction Motors

A wound rotor induction motor has a stator like a squirrel cage…


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Harmonic Phase Sequences

Harmonic Phase Sequences

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


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Friis Transmission Calculator

Friis Transmission Calculator

This calculator allows you to solve for any of the six variables in the Friis formula for RF transmission: transmitter power, transmitter gain, receiver power, receiver gain, frequency, or distance.


Tools

Example Circuits and Netlists

Example Circuits and Netlists

The following circuits are pre-tested netlists for SPICE 2g6, complete…


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Boolean Algebraic Identities

Boolean Algebraic Identities

In mathematics, an identity is a statement true for all possible…


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Peak, Average, and RMS Measurements

Peak, Average, and RMS Measurements

How is it possible to assign a fixed value of voltage or current (such…


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Series-Parallel DC Circuits

Series-Parallel DC Circuits

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


Worksheets - Board-to-Board Connectors

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

Power in Electric Circuits

Power in Electric Circuits

In addition to voltage and current, there is another important…


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