All About Circuits

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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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Wheatstone Bridge Calculator

Wheatstone Bridge Calculator

This calculator helps determine the resistance of a variable resistor within a Wheatstone bridge circuit or the differential voltage created across the bridge terminals.


Tools

Critical Temperatures for Superconductors

Critical Temperatures for Superconductors

Critical temperatures given in Kelvins Material Element/Alloy Critical…


Textbook

Copper Wire Ampacity Table

Copper Wire Ampacity Table

Ampacities of copper wire, in free air at 30o C: INSULATION TYPE…


Textbook

Memory with moving parts: “Drives”

Memory with moving parts: “Drives”

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


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Right Triangle Trigonometry

Right Triangle Trigonometry

  A right triangle is defined as having one angle precisely…


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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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Biasing Techniques (BJT)

Biasing Techniques (BJT)

In the common-emitter section of this chapter, we saw a SPICE analysis…


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TTL NAND and AND gates

TTL NAND and AND gates

Suppose we altered our basic open-collector inverter circuit, adding a…


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Common Antiderivatives

Common Antiderivatives

 


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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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Polarity of voltage drops

Polarity of voltage drops

When using conventional current flow, we can trace the direction of…


Textbook

Wire Stripline Impedance Calculator

Wire Stripline Impedance Calculator

A calculator for computing the impedance of a wire stripline.


Tools

AC Lab - Build a Transformer

AC Lab - Build a Transformer

In this hands-on AC electronics experiment, build a simple transformer and learn some important transformer fundamentals including voltage step-up and step-down.


Textbook

Ammeter Impact on Measured Circuit

Ammeter Impact on Measured Circuit

Just like voltmeters, ammeters tend to influence the amount of current…


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Voltmeter Impact on Measured Circuit

Voltmeter Impact on Measured Circuit

Every meter impacts the circuit it is measuring to some extent, just…


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“Ladder” Diagrams

“Ladder” Diagrams

Ladder diagrams are specialized schematics commonly used to document…


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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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Practical considerations - Digital Communication

Practical considerations - Digital Communication

A principal consideration for industrial control networks, where the…


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

RF Power Conversion Calculator

RF Power Conversion Calculator

A tool designed to convert RF power from watts to decibels and vice versa


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Tachogenerators

Tachogenerators

An electromechanical generator is a device capable of producing…


Textbook