All About Circuits

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AC Motor Control Circuits

AC Motor Control Circuits

Perhaps the most challenging aspect of interpreting ladder diagrams,…


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Temperature Coefficients of Resistance Table

Temperature Coefficients of Resistance Table

Temperature coefficient (α) per degree C: Material Element/Alloy…


Textbook

Noise Figure and Noise Temperature Calculator

Noise Figure and Noise Temperature Calculator

This calculator computes the noise figure and noise temperature in a system


Tools

Temperature Converter

Temperature Converter

Convert between Celsius, Fahrenheit and Kelvin


Tools

Heat Sink Calculator

Heat Sink Calculator

This calculator helps determine the maximum temperature a device can withstand


Tools

Resistors

Resistors

Shown here is the schematic symbol for a resistor: What is the purpose…


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Open-Loop OpAmp Circuits

Open-Loop OpAmp Circuits

Determine what the magnitude and polarity of the voltmeter’s…


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Electrical Conduction in Semiconductors

Electrical Conduction in Semiconductors

In any electrically conductive substance, what are charge carriers?…


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Soldering

Soldering

Both soldering irons and soldering guns are tools used in the process…


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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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Batteries

Batteries

If I wanted to build a battery-powered electric drill, would it be…


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Ohm’s Law Practice Worksheet With Answers

Ohm’s Law Practice Worksheet With Answers

Define the following terms: energy, work, and power.


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Temperature Coefficient of Resistance

Temperature Coefficient of Resistance

It is a common phenomenon for the electrical resistance of a substance…


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Design Project: Dual-output AC-DC Power Supply

Design Project: Dual-output AC-DC Power Supply

Safety is very important when designing and/or building a device…


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Quantum Physics

Quantum Physics

“I think it is safe to say that no one understands quantum…


Textbook

The J-K Flip-Flop

The J-K Flip-Flop

Another variation on a theme of bistable multivibrators is the J-K…


Textbook

Binary Math

Binary Math

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


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Si Lab - Zener Diode Voltage Regulator

Si Lab - Zener Diode Voltage Regulator

In this hands-on semiconductor electronics experiment, build a simple DC voltage regulator circuit and learn how to use reverse-biased Zener diodes as voltage clamps.


Textbook

Transistor Ratings and Packages (BJT)

Transistor Ratings and Packages (BJT)

Like all electrical and electronic components, transistors are limited…


Textbook

Impedance

Impedance

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


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AC Voltmeters and Ammeters

AC Voltmeters and Ammeters

AC electromechanical meter movements come in two basic arrangements:…


Textbook

Amplifiers

Amplifiers

Practical Benefit of Active Devices The practical benefit of active…


Textbook

Practical Considerations - Transformers

Practical Considerations - Transformers

Power Capacity As has already been observed, transformers must be well…


Textbook

Microstrip Patch Antenna Calculator

Microstrip Patch Antenna Calculator

This tool calculates the dimensions of the microstrip patch antenna given the desired operating frequency.


Tools

Introduction to Network Theorems for Circuit Analysis

Introduction to Network Theorems for Circuit Analysis

Anyone who’s studied geometry should be familiar with the…


Textbook

Stripline Max Current Calculator

Stripline Max Current Calculator

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


Tools

AC phase

AC phase

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


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Digital Lab - S-R Flip-flop Using NAND Gates

Digital Lab - S-R Flip-flop Using NAND Gates

In this hands-on electronics experiment, build an edge-triggered S-R flip-flop, learn the difference between a latch and a flip-flop, and experience how a switch bounce can cause logic errors.


Textbook

Class A BJT Amplifiers

Class A BJT Amplifiers

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


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Design Project: Sensitive Audio Detector

Design Project: Sensitive Audio Detector

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


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Ohm’s Law Practice Worksheet With Answers

Ohm’s Law Practice Worksheet With Answers

Define the following terms: energy, work, and power.


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Voltage Divider Calculator

Voltage Divider Calculator

The voltage divider is a circuit used to create a voltage less than or equal to the input voltage.


Tools

Design Project: Pulse-Width Modulation (PWM) Signal Generator

Design Project: Pulse-Width Modulation (PWM) Signal Generator

What shape of voltage waveform would you expect to measure (using an…


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