Categories

Switches

Worksheets - Lighting

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

Series LED Resistor Calculator

Tools

This series LED resistance calculator is perfect for when you have a single LED or a number of the same color of LEDs in series and need to know which resistor you should use.

AC phase

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

CMOS 555 Long Duration Minimum Parts Red LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

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.

Convert MCD to Lumens

Tools

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

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

CMOS 555 Long Duration Red LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

AC Motor Theory

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Electromechanical watt-hour meters use an aluminum disk that is spun…

Series-Parallel DC Circuits

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

Current Divider Circuits

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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…

Thyristor Application Circuits

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

Digital Lab - 10-bit Flashing LED Sequencer

Textbook

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

Digital Display Circuits

Worksheets - Lighting

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

Light-Pulse Switch

Worksheets - Lighting

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

Special-purpose Diodes

Textbook

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

CMOS 555 Long Duration Flyback LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

CMOS 555 Long Duration Blue LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Rectifier Circuits

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

DC Lab - Potentiometer Voltage Divider

Textbook

In this hands-on electronics experiment, you will use potentiometers to vary a voltage and learn about voltage divider ratios and potentiometer applications.

Millman’s Theorem

Textbook

In Millman’s Theorem, the circuit is re-drawn as a parallel…

Switches, Process Actuated

Textbook

It is very important to keep in mind that the “normal”…

Shift Registers

Worksheets - Lighting

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

Introduction to Network Theorems for Circuit Analysis

Textbook

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

The P-N Junction

Textbook

If a block of P-type semiconductor is placed in contact with a block…

3-bit Binary Counter

Textbook

PARTS AND MATERIALS 555 timer IC (Radio Shack catalog # 276-1723) One…

Flash ADC

Textbook

Also called the parallel A/D converter, this circuit is the simplest…

Resonance in Series-Parallel Circuits

Textbook

In simple reactive circuits with little or no resistance, the effects…

Meter Check of a Transistor (BJT)

Textbook

Bipolar transistors are constructed of a three-layer semiconductor…

Microwave Tubes

Textbook

For extremely high-frequency applications (above 1 GHz), the…

Stripline Trace Width Calculator

Tools

A calculator designed to calculate the trace width of a stripline based on the maximum current rating

Voltage and Current in a Practical Circuit

Textbook

Because it takes energy to force charge to flow against the opposition…

Stripline Max Current Calculator

Tools

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

555 Audio Oscillator

Textbook

PARTS AND MATERIALS Two 6 volt batteries One capacitor, 0.1 µF,…

Protective Relays

Textbook

A special type of relay is one that monitors the current, voltage,…

Troubleshooting Series and Parallel Circuits

Textbook

The jobs of electronics engineers and technicians frequently entail…

ElectroStatic Discharge

Textbook

At the start of this book, we discussed static electricity and how it…

Decimal versus Binary Numeration

Textbook

Let’s count from zero to twenty using four different kinds of…

Broadside Coupled Trace Inductance Calculator

Tools

This calculator helps you compute the inductance of a broadside coupled trace.

Design Project: Intercom System

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Design a passive circuit that will create a "split” ( V/-V) power…

Series and Parallel AC Circuits

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

Karnaugh Maps, Truth Tables, and Boolean Expressions

Textbook

Who Developed the Karnaugh Map? Maurice Karnaugh, a…

DC Lab - Build Your Own Multimeter

Textbook

In this hands-on electronics experiment, you will build a simple voltmeter and ammeter while learning some fundamentals about circuit measurements.

Slope (integrating) ADC

Textbook

So far, we’ve only been able to escape the sheer volume of…

Digital Lab - Basic 2-Input NAND Gate Circuit

Textbook

In this hands-on electronics experiment, build and test a 2-input digital NAND gate with LED indicators and learn to read pinout diagrams, power a digital IC, connect unused inputs and outputs, and use pulldown resistors.

What Is the Skin Effect?

Textbook

The Skin Depth of Copper in Electrical Engineering As previously…

Introduction to Complex Numbers

Textbook

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

The common-drain Amplifier (JFET)

Textbook

RELATED WORKSHEETS: JFET Amplifiers Worksheet

The Junction Field-effect Transistor (JFET) as a Switch

Textbook

Like its bipolar cousin, the field-effect transistor may be used as an…

Shock Current Path

Textbook

As we’ve already learned, electricity requires a complete path…

Tesla Polyphase Induction Motors

Textbook

Most AC motors are induction motors. Induction motors are favored due…

Networks and Busses

Textbook

The wires between the tank and the monitoring location is  called…

Impedance

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

Bridged-Tee Attenuator Calculator

Tools

This calculator helps you determine the values of the resistors R1 and R2 to be used for a bridged-tee attenuator.

Practical Considerations - Batteries

Textbook

When connecting batteries together to form larger “banks”…

Design Project: Voltmeter

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The most important component of your voltmeter will be the…

Switched Capacitor Circuitry

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Write an equation describing the precise mathematical relationship…

DC Motor Theory

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If the ends of a wire loop are attached to two half-circular metal…

Radio Circuits

Textbook

(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…