All About Circuits

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Practical Considerations - Transformers

Practical Considerations - Transformers

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


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Parallel R, L, and C

Parallel R, L, and C

We can take the same components from the series circuit and rearrange…


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Solving for Unknown Time

Solving for Unknown Time

Sometimes it is necessary to determine the length of time that a…


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Ohmmeter Design

Ohmmeter Design

Though mechanical ohmmeter (resistance meter) designs are rarely used…


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Electron Activity in Chemical Reactions

Electron Activity in Chemical Reactions

So far in our discussions on electricity and electric circuits, we…


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IGBTs

IGBTs

Because of their insulated gates, IGFETs of all types have extremely…


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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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Ohm’s Law (again!)

Ohm’s Law (again!)

A common phrase heard in reference to electrical safety goes something…


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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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The Exclusive-OR Function: The XOR Gate

The Exclusive-OR Function: The XOR Gate

What Is an XOR Gate? One element conspicuously missing from the set of…


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Rules for Limits

Rules for Limits

    RELATED WORKSHEETS: Calculus for Electric Circuits…


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Static Electricity

Static Electricity

What does it mean for an object to have an electric charge? Give an…


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Complex Vector Addition

Complex Vector Addition

If vectors with uncommon angles are added, their magnitudes (lengths)…


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Ring Counters

Ring Counters

If the output of a shift register is fed back to the input. a ring…


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Power Measurement

Power Measurement

Power measurement in AC circuits can be quite a bit more complex than…


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Frequency and Phase Measurement

Frequency and Phase Measurement

An important electrical quantity with no equivalent in DC circuits is…


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Switch Types

Switch Types

Though it may seem strange to cover the elementary topic of electrical…


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Introduction to Shift Registers

Introduction to Shift Registers

Shift registers, like counters, are a form of sequential…


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Analog Lab - Introduction

Analog Lab - Introduction

In this series of hands-on electronics experiments, build analog circuits, including amplifiers, comparators, oscillators, and more. Following the step-by-step instructions will help you understand and appreciate analog systems.


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Inductor Commutating Circuits

Inductor Commutating Circuits

A popular use of diodes is for the mitigation of inductive…


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