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Current Divider Circuits

Worksheets - Adaptive Lighting

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

Thyristors

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

Special-purpose Diodes

Textbook

Schottky diodes Schottky diodes are constructed of a metal-to-N…

Digital Display Circuits

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What is the purpose of a seven-segment decoder circuit? What is a…

Switches

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What is the purpose of the switch shown in this schematic diagram?

Circuits and the Speed of Light

Textbook

Suppose we had a simple one-battery, one-lamp circuit controlled by a…

555 Lab - Advanced Red LED Flasher

Textbook

In this hands-on electronics experiment, build a red LED flasher with a transistor drive to control the current and learn how to use transistors to provide current gain and how to limit LED current.

Convert MCD to Lumens

Tools

This calculator is useful for calculating the luminous flux for LEDs where the angle is known.

Design Project: LED Stroboscope

Worksheets - Adaptive Lighting

A technician uses a stroboscope to “freeze” the rotation of a…

Thyristor Application Circuits

Worksheets - Adaptive Lighting

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

Digital Lab - 10-bit Flashing LED Sequencer

Textbook

In this hands-on electronics experiment, build and test an automated circuit that sequentially flashes 10 LED, and learn about counters, frequency dividers, and switch debouncing.

Light-Pulse Switch

Worksheets - Adaptive Lighting

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

Parallel Resistor Calculator

Tools

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.

555 Lab - Blue LED Flasher With Voltage Doubler

Textbook

In this hands-on electronics experiment, build a blue LED flasher using a 555 timer and learn the basic theory of a voltage doubler using a transistor switch and a capacitor.

Series-Parallel DC Circuits

Worksheets - Adaptive Lighting

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

555 Lab - Red LED Flasher

Textbook

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

DC Lab - Parallel Batteries

Textbook

In this hands-on electronics experiment, you will connect batteries in parallel to power a light and learn the relationship between the individual battery currents and the total system current.

Rectifier Circuits

Worksheets - Adaptive Lighting

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

Static Electricity

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

Si Lab - Light Sensor (LED Photodetector)

Textbook

In this hands-on semiconductor electronics experiment, use an LED as a light-sensitive photodetector and learn how to use a bipolar transistor in a common-emitter amplifier configuration.

Delta-Sigma ADC

Textbook

One of the more advanced ADC technologies is the so-called…

Simple Parallel (Tank Circuit) Resonance

Textbook

Resonance in a Tank Circuit A condition of resonance will be…

Algebraic Equation Manipulation for Electric Circuits

Worksheets - Adaptive Lighting

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

Class A BJT Amplifiers

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

Radicals

Textbook

Definition of a Radical Given the expression where “x” is…

Basic Circuit Troubleshooting

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Determine if the light bulb will de-energize for each of the following…

Analog Lab - Class B Audio Amplifier

Textbook

In this hands-on electronics experiment, build a Class B push-pull audio amplifier to drive a speaker and learn about crossover distortion and how to minimize it using negative feedback.

AC Waveforms

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Radio waves are comprised of oscillating electric and magnetic fields,…

Electric Shock

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It is sometimes said regarding electrical safety that, Ït’s not the…

Copper Wire Ampacity Table

Textbook

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

Electrical Conduction in Semiconductors

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

Parallel R, L, and C

Textbook

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

Design Project: Event Counter

Worksheets - Adaptive Lighting

If your event sensing switch is mechanical in nature, you will likely…

Encoder

Textbook

What is an Encoder? An encoder is a circuit that changes a set of…

Control Circuits

Textbook

The Quadratic Formula

Textbook

Solving for x in a given polynomial equation “ax2 + bx + c…

Op-Amp Voltage and Gain Calculator

Tools

A calculator for computing the gain and output voltage of an operational amplifier

Contributors (4)

Textbook

Contributors to this chapter are listed in chronological order of…

Clipper and Clamper Circuits

Worksheets - Adaptive Lighting

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

Design Project: AC-DC Power Supply

Worksheets - Adaptive Lighting

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