Contributors (7)

Contributors to this chapter are listed in chronological order of…

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Capacitor Quirks

As with inductors, the ideal capacitor is a purely reactive device,…

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Series-Parallel Combination AC Circuits

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

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Mesh Current Method (Loop Current Method)

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

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Questions relating to project management

NAME:…

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Transistor Biasing Calculations

Although transistor switching circuits operate without bias, it is…

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Four-Channel Audio Mixer

A very common misconception students have about potentiometers is the…

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Worksheets - Cybersecurity / Identification

Wire Types and Sizes

Most electrical wire is covered in a rubber or plastic coating called…

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Universal Shift Registers: Parallel-in, Parallel-out

The purpose of the parallel-in/ parallel-out shift register is to take…

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Electromagnetic Induction

While Oersted’s surprising discovery of electromagnetism paved…

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Introduction to Junction Field-effect Transistors (JFET)

A transistor is a semiconductor device that controls current with the…

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Inverting Op-Amp Resistor Calculator

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

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Tools

What is the Relationship Between Conductance and Resistance?

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

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The Common-collector Amplifier

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

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Ohm’s Law Calculator

Calculate circuit parameters using Ohm's Law

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Tools

555 Lab - Red LED Flasher

In this hands-on electronics experiment, you will build a red LED flasher and learn a useful application of the versatile 555 timer IC.

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Encoders and Decoders

What does it mean, in general terms, to encode something? Conversely,…

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Zener Diodes

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

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AC Bridge Circuits

As we saw with DC measurement circuits, the circuit configuration…

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Transistors, Insulated-gate Field-effect (IGFET or MOSFET)

We have the symbols for depletion mode and enhancement mode MOSFETs -…

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Octal and Hexadecimal Numeration

Because binary numeration requires so many bits to represent…

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Important Constants

Euler’s Number Euler’s constant is an important value for…

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Introduction to Complex Numbers

If I needed to describe the distance between two cities, I could…

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AC Network Analysis

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

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DeMorgan’s Theorems

A mathematician named DeMorgan developed a pair of important rules…

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Series-parallel R, L, and C

Now that we’ve seen how series and parallel AC circuit analysis…

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Kirchhoff’s Current Law (KCL)

What Is Kirchhoff’s Current Law? Kirchhoff’s Current Law,…

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Hysteresis

Thyristors are a class of semiconductor components exhibiting…

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Selsyn (Synchro) Motors

Normally, the rotor windings of a wound rotor induction motor are…

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Polarity of voltage drops

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

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Display Tubes

In addition to performing tasks of amplification and switching, tubes…

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Peak Detector

A peak detector is a series connection of a diode and a…

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Op-Amp Data

Parametric data for all semiconductor op-amp models except the CA3130…

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The Silicon-Controlled Switch (SCS)

If we take the equivalent circuit of an SCR and add another external…

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Microprocessors

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

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Mutual Inductance

When an electric current is passed through a coil of wire, what…

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Phasing

Since transformers are essentially AC devices, we need to be aware of…

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Design Project: Voltmeter

The most important component of your voltmeter will be the…

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Power in Resistive and Reactive AC circuits

Consider a circuit for a single-phase AC power system, where a 120…

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Series Circuit Rules

Current Components in a series circuit share the same current: Itotal…

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