Categories

Special-purpose Diodes

Textbook

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

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Digital Display Circuits

Worksheets - Optical Sensors

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

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.

Programmable Logic Controllers (PLC)

Textbook

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

Optoelectronic Devices

Worksheets - Optical Sensors

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

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.

Design Project: LED Stroboscope

Worksheets - Optical Sensors

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

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.

Convert MCD to Lumens

Tools

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

Karnaugh Mapping

Worksheets - Optical Sensors

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

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.

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Programmable Logic Controllers (PLC)

Textbook

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

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.

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.

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.

Special-purpose Diodes

Textbook

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

Display Tubes

Textbook

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

Digital Display Circuits

Worksheets - Optical Sensors

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

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.

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.

Optoelectronic Devices

Worksheets - Optical Sensors

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.

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.

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.

Tubes versus Semiconductors

Textbook

Devoting a whole chapter in a modern electronics text to the design…

Boolean Algebraic Properties

Textbook

Another type of mathematical identity, called a “property”…

Series and Parallel Inductors

Textbook

When inductors are connected in series, the total inductance is the…

Introduction to SPICE

Textbook

“With Electronics Workbench, you can create circuit schematics…

Series Circuits and the Application of Ohm’s Law

Textbook

In this introduction to series resistance circuits, we will explain…

Mixed-Frequency Signals

Worksheets - Optical Sensors

What is a harmonic frequency? If an oscillator circuit outputs a…

Measurement Circuits

Textbook

Figure below shows a photodiode amplifier for measuring low levels of…

Voltage and Current in a Practical Circuit

Textbook

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

AC Network Analysis

Worksheets - Optical Sensors

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

Ohm’s Law - How Voltage, Current, and Resistance Relate

Textbook

The first, and perhaps most important, relationship between current,…

The Importance of Electrical Safety

Textbook

With this lesson, I hope to avoid a common mistake found in…

Lorentz Force Calculator

Tools

This calculator will determine the combined Lorentz force exerted on a charged particle moving through both an electric field and a magnetic field.

Band-pass Filters

Textbook

How to Create Band-pass Filter There are applications where a…

Basic Ohmmeter Use

Worksheets - Optical Sensors

Explain how an ohmmeter is able to measure the resistance of a…

The Common-source Amplifier (JFET)

Textbook

RELATED WORKSHEETS: JFET Amplifiers Worksheet

SPICE Quirks

Textbook

“Garbage in, garbage out.” —Anonymous   SPICE…

Logarithms

Textbook

Definition of a Logarithm     “log” denotes a…

The Common-gate Amplifier (JFET)

Textbook

RELATED WORKSHEETS: JFET Amplifiers Worksheet

Square Wave Signals

Textbook

It has been found that any repeating, non-sinusoidal waveform can be…