All About Circuits

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Safe Circuit Design

Safe Circuit Design

As we saw earlier, a power system with no secure connection to earth…


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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…


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Analog Lab - Precision Voltage Follower Using an Op Amp

Analog Lab - Precision Voltage Follower Using an Op Amp

In this hands-on electronics experiment, you will build an op amp voltage follower and learn about negative feedback in operational amplifier circuits.


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Computer Simulation of Electric Circuits

Computer Simulation of Electric Circuits

Computers can be powerful tools if used properly, especially in the…


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Analog Lab - Non-inverting Amplifier

Analog Lab - Non-inverting Amplifier

In this hands-on electronics experiment, you will build a programmable non-inverting amplifier and learn how to use the negative feedback of an operational amplifier to control the gain.


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AC Negative Feedback OpAmp Circuits

AC Negative Feedback OpAmp Circuits

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


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Parallel Resistor Calculator

Parallel Resistor Calculator

Calculate the equivalent resistance of up to six resistors in parallel with ease while learning how to calculate resistance in parallel and the parallel resistance formula.


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Introduction to Diodes And Rectifiers

Introduction to Diodes And Rectifiers

All About Diodes A diode is an electrical device allowing current to…


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Operational Amplifier Models

Operational Amplifier Models

While mention of operational amplifiers typically provokes visions of…


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Single-phase Induction Motors

Single-phase Induction Motors

A three-phase motor may be run from a single-phase power source.…


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Analog Lab - 555 Oscillator (Astable Multivibrator)

Analog Lab - 555 Oscillator (Astable Multivibrator)

In this hands-on electronics experiment, build an oscillator using a 555 timer and learn the theory of operation of the 555 timer when configured as an astable multivibrator.


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The Common-collector Amplifier

The Common-collector Amplifier

Our next transistor configuration to study is a bit simpler for gain…


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Wires and Connections

Wires and Connections

Older electrical schematics showed connecting wires crossing, while…


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Three-phase Power Systems

Three-phase Power Systems

What is Split-Phase Power Systems? Split-phase power systems achieve…


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Stripline Max Current Calculator

Stripline Max Current Calculator

A calculator designed to calculate the maximum current that a stripline can handle


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Time Constant Equations

Time Constant Equations

Value of time constant in series RC and RL circuits   Time…


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Wire Microstrip Impedance Calculator

Wire Microstrip Impedance Calculator

A helpful tool for calculating the impedance of a wire microstrip.


Tools

AC Lab - PC Oscilloscope

AC Lab - PC Oscilloscope

In this hands-on AC electronics experiment, use a PC-based oscilloscope program to observe waveforms from a musical keyboard and learn basic oscilloscope operation.


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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

Multi-Stage Transistor Amplifiers

Multi-Stage Transistor Amplifiers

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


Worksheets - EDA Tools

Critical Temperatures for Superconductors

Critical Temperatures for Superconductors

Critical temperatures given in Kelvins Material Element/Alloy Critical…


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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.


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What is the Relationship Between Conductance and Resistance?

What is the Relationship Between Conductance and Resistance?

The concept and measurement units of resistance are most often used…


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Light-Pulse Switch

Light-Pulse Switch

It is fairly important to use large value resistors (10 MΩ works…


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AC Lab - Noise Cancellation

AC Lab - Noise Cancellation

In this hands-on AC electronics experiment, you will use an AC voltage source connected to speakers to learn about sound waves and the foundational principle used in noise cancelling headphones.


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DC Lab - Rheostat Range Limiting

DC Lab - Rheostat Range Limiting

In this hands-on electronics experiment, you will use series and parallel resistor networks to precisely adjust the range and zero point of a rheostat.


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Boolean Rules for Simplification

Boolean Rules for Simplification

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


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Shift Registers

Shift Registers

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


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Historical, Nonmechanical Memory Technologies

Historical, Nonmechanical Memory Technologies

Perhaps the most ingenious technique was that of the delay line. A…


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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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Design Project: Audio Tone Control

Design Project: Audio Tone Control

Suppose you were installing a high-power stereo system in your car,…


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Nonlinear OpAmp Circuits

Nonlinear OpAmp Circuits

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


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Algebraic Substitution for Electric Circuits

Algebraic Substitution for Electric Circuits

There are two basic Ohm’s Law equations: one relating voltage,…


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Power Quality Measurement

Power Quality Measurement

It used to be with large AC power systems that “power…


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Fundamentals of SPICE programming

Fundamentals of SPICE programming

Programming a circuit simulation with SPICE is much like programming…


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Current Signal Systems

Current Signal Systems

Current Source It is possible through the use of electronic amplifiers…


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Characteristic Impedance

Characteristic Impedance

The Parallel Wires of Infinite Length Suppose, though, that we had a…


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AC Generator Theory

AC Generator Theory

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


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Algebraic Equation Manipulation for Electric Circuits

Algebraic Equation Manipulation for Electric Circuits

The electrical resistance of a conductor at any temperature may be…


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Early Tube History

Early Tube History

Thomas Edison, that prolific American inventor, is often credited with…


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Ohm’s Law - How Voltage, Current, and Resistance Relate

Ohm’s Law - How Voltage, Current, and Resistance Relate

The first, and perhaps most important, relationship between current,…


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Active-mode Operation (BJT)

Active-mode Operation (BJT)

When a transistor is in the fully-off state (like an open switch), it…


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Circuit Components

Circuit Components

Remember that this tutorial is not exhaustive by any means, and that…


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Capacitance

Capacitance

Write an equation describing the precise mathematical relationship…


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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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