All About Circuits

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Electrical Transients

Electrical Transients

This chapter explores the response of capacitors and inductors to…


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Absolute dB scales

Absolute dB scales

Decibel as Absolute Unit of Power It is also possible to use the…


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Phase-Locked Loops

Phase-Locked Loops

This is a schematic for a simple VCO: The oscillator is of the RC…


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Modern Nonmechanical Memory

Modern Nonmechanical Memory

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


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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.


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Heat Sink Calculator

Heat Sink Calculator

This calculator helps determine the maximum temperature a device can withstand


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Demultiplexers

Demultiplexers

A demultiplexer, sometimes abbreviated dmux, is a circuit that has one…


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Op-Amp Practical Considerations

Op-Amp Practical Considerations

Real operational amplifiers have some imperfections compared to an…


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Scientific Notation and Metric Prefixes

Scientific Notation and Metric Prefixes

Write the following exponential expressions in expanded form: 101 =…


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Transistor Ratings and Packages (BJT)

Transistor Ratings and Packages (BJT)

Like all electrical and electronic components, transistors are limited…


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High-pass Filters

High-pass Filters

A high-pass filter’s task is just the opposite of a low-pass…


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Questions to Ask Before Proceeding

Questions to Ask Before Proceeding

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


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Arithmetic Properties

Arithmetic Properties

Associative Property In addition and multiplication, terms may be…


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Electromechanical Relay Logic

Electromechanical Relay Logic

In ladder logic symbolism, an electromechanical relay coil is shown as…


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The “Buffer” Gate

The “Buffer” Gate

If we were to connect two inverter gates together so that the output…


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Special Diodes

Special Diodes

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


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Design Project: LED Stroboscope

Design Project: LED Stroboscope

A technician uses a stroboscope to “freeze” the rotation of a…


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Practical Considerations - Capacitors

Practical Considerations - Capacitors

Capacitors, like all electrical components, have limitations that must…


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Mesh Current Method (Loop Current Method)

Mesh Current Method (Loop Current Method)

This page provides a step-by-step introduction to using the mesh…


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Optoelectronic Devices

Optoelectronic Devices

In this circuit, the electric motor is supposed to turn on whenever…


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Voltage Divider Circuits

Voltage Divider Circuits

Let’s analyze a simple series circuit and determine the voltage…


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Microprocessors

Microprocessors

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


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Resistor Color Code Calculator and Chart—4 Band, 5 Band, or 6 Band Resistors

Resistor Color Code Calculator and Chart—4 Band, 5 Band, or 6 Band Resistors

A handy all-in-one tool for reading resistor color code values for a 4 band resistor, 5 band resistor, or 6 band resistor.


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Boolean Algebraic Properties

Boolean Algebraic Properties

Another type of mathematical identity, called a “property”…


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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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Junction Diodes

Junction Diodes

There was some historic crude, but usable semiconductor…


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Superposition Theorem

Superposition Theorem

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


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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.


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Solving Series and Parallel Circuits With the Table Method and Ohm’s Law

Solving Series and Parallel Circuits With the Table Method and Ohm’s Law

The table method provides a structured methodology for ensuring you…


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Metric Prefixes and Unit Conversions

Metric Prefixes and Unit Conversions

Metric Prefixes   Yotta = 1024 Symbol: Y Zetta = 1021 Symbol: Z…


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Voltage, Current, and Resistance

Voltage, Current, and Resistance

Voltage is commonly defined as “electrical pressure.” The unit of…


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Inverting Op-Amp Resistor Calculator

Inverting Op-Amp Resistor Calculator

This calculator determines the bias and feedback of resistors for an inverting op-amp.


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Input and Output Coupling

Input and Output Coupling

To overcome the challenge of creating necessary DC bias voltage for an…


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Series LED Resistor Calculator

Series LED Resistor Calculator

This series LED resistance calculator is perfect for when you have a single LED or a number of the same color of LEDs in series and need to know which resistor you should use.


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Other Diode Technologies

Other Diode Technologies

Varicap or varactor diodes A variable capacitance diode is known as a…


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Series-Parallel Combination AC Circuits

Series-Parallel Combination AC Circuits

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


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Contributors (9)

Contributors (9)

Contributors to this chapter are listed in chronological order of…


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Differential Equations

Differential Equations

As opposed to normal equations where the solution is a number, a…


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Data - Resistance & Superconductor

Data - Resistance & Superconductor

Tables of specific resistance and temperature coefficient of…


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Multiplexers

Multiplexers

A multiplexer, abbreviated mux, is a device that has multiple inputs…


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