Categories

Special-purpose Diodes

Textbook

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

Digital Display Circuits

Worksheets - LCDs

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

Display Tubes

Textbook

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

Design Project: LED Stroboscope

Worksheets - LCDs

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

555 Lab - LED Flasher with Inductive Flyback

Textbook

In this hands-on electronics experiment, build a multiple LED flasher and learn how to use inductive flyback to generate a voltage pulse that is greater than the supply voltage.

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.

Special-purpose Diodes

Textbook

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

Karnaugh Mapping

Worksheets - LCDs

Identify each of these logic gates by name, and complete their…

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.

Si Lab - Bipolar Transistor as a Switch

Textbook

In this hands-on semiconductor electronics experiment, use a bipolar junction transistor (BJT) to switch an LED and learn about the current their amplification.

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Digital Lab - Digital Combination Lock

Textbook

In this hands-on electronics experiment, build a digital combination lock with LED output indicators and learn about XOR gate functionality and how to implement NOR logic functionality using diodes.

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.

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.

Programmable Logic Controllers (PLC)

Textbook

Before the advent of solid-state logic circuits, logical control…

Optoelectronic Devices

Worksheets - LCDs

In this circuit, the electric motor is supposed to turn on whenever…

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.

Digital Lab - 7-segment LED Display

Textbook

In this hands-on electronics experiment, you will control a 7-segment binary-coded decimal (BCD) display and learn about active-low and active-high logic inputs.

Digital Display Circuits

Worksheets - LCDs

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

Contributors (15)

Textbook

Contributors to this chapter are listed in chronological order of…

More on AC “polarity”

Textbook

Complex numbers are useful for AC circuit analysis because they…

Twisted-Pair Impedance Calculator

Tools

A tool designed to calculate the characteristic impedance of a twisted-pair cable

Safe Meter Usage

Textbook

Using an electrical meter safely and efficiently is perhaps the most…

The S-R Latch

Textbook

A bistable multivibrator has two stable states, as indicated by the…

DC Lab - Series Batteries

Textbook

In this hands-on electronics experiment, you will connect batteries in series and learn the relationship between the individual battery voltages and the total series voltage.

Si Lab - JFET Switching Circuit and Static Electricity Sensor

Textbook

In this hands-on semiconductor electronics experiment, use a junction field-effect transistor (JFET) to build a sensitive switching circuit and learn about JFET current gain.

Parallel Resistor-Inductor Circuits

Textbook

Let’s take the same components for our series example circuit…

Physiological Effects of Electricity

Textbook

Most of us have experienced some form of electric “shock,”…

Insulated Gate Field-Effect Transistors

Worksheets - LCDs

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

Meter Check of a Transistor (BJT)

Textbook

Bipolar transistors are constructed of a three-layer semiconductor…

AC Power

Worksheets - LCDs

If a sinusoidal voltage is applied to an impedance with a phase angle…

An Analogy for Ohm’s Law

Textbook

Ohm’s Law also makes intuitive sense if you apply it to the…

Analog Lab - Precision Voltage Follower Using an Op Amp

Textbook

In this hands-on electronics experiment, you will build an op amp voltage follower and learn about negative feedback in operational amplifier circuits.

AC Lab - LC Tank Circuit

Textbook

In this hands-on AC electronics experiment, build a parallel resonant inductor-capacitor circuit and learn about oscillation, resonant frequency, and damping.

The Unijunction Transistor (UJT)

Textbook

Unijunction transistor: Although a unijunction transistor is not a…

Sequences

Textbook

Arithmetic Sequences An arithmetic sequence is a series of numbers…

Hand Calculator Use

Textbook

To enter numbers in scientific notation into a hand calculator, there…

Inductor Sizing Equation

Textbook

The Inductance Formula     Wheeler’s formulas for…

Divided Feedback

Textbook

If we add a voltage divider to the negative feedback wiring so that…