Switches

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

Worksheets - Industrial

AC Motor Theory

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

Worksheets - Industrial

Si Lab - Light Sensor (LED Photodetector)

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.

Textbook

555 Lab - Advanced Red LED Flasher

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.

Textbook

Parallel Resistor Calculator

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.

Tools

Design Project: LED Stroboscope

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

Worksheets - Industrial

Rectifier Circuits

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

Worksheets - Industrial

Thyristor Application Circuits

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

Worksheets - Industrial

Thyristors

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

Worksheets - Industrial

555 Lab - LED Flasher with Inductive Flyback

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.

Textbook

Digital Display Circuits

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

Worksheets - Industrial

Special-purpose Diodes

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

Textbook

Digital Lab - 10-bit Flashing LED Sequencer

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.

Textbook

Simple Circuits

Shown here is the schematic symbol for a resistor: What is the purpose…

Worksheets - Industrial

Series LED Resistor Calculator

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.

Tools

Convert MCD to Lumens

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

Tools

Static Electricity

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

Worksheets - Industrial

Circuits and the Speed of Light

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

Textbook

555 Lab - Blue LED Flasher With Voltage Doubler

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.

Textbook

Current Divider Circuits

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

Worksheets - Industrial

Algebraic Equation Manipulation for Electric Circuits

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

Worksheets - Industrial

Ohm’s Law Calculator

Calculate circuit parameters using Ohm's Law

Tools

DC Lab - Rate-of-change Indicator

In this hands-on electronics experiment, you will build an analog differentiator circuit that outputs a signal proportional to the rate-of-change and learn about one of the advantages of analog circuits.

Textbook

Pulse Width Modulation

Pulse Width Modulation (PWM) uses digital signals to control power…

Textbook

Other Diode Technologies

Varicap or varactor diodes A variable capacitance diode is known as a…

Textbook

The DIAC

Like all diodes, Shockley diodes are unidirectional devices; that is,…

Textbook

Heat Sink Calculator

This calculator helps determine the maximum temperature a device can withstand

Tools

Active Filters

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

Worksheets - Industrial

Microphones

Explain how a moving-coil, or dynamic microphone works. Identify how…

Worksheets - Industrial

Balanced Attenuator Calculator

This balanced attenuator calculator helps you determine the resistor (R1) values for a balanced attenuator.

Tools

Specific Resistance of Conductors

Given two lengths of metal wire, which one will have the least…

Worksheets - Industrial

Wire Microstrip Impedance Calculator

A helpful tool for calculating the impedance of a wire microstrip.

Tools

Basic Logic Gates

Identify the type of logic gate shown in this schematic diagram, and…

Worksheets - Industrial

Beam Power Tubes

In the beam power tube, the basic four-element structure of the…

Textbook

Si Lab - Full-wave Bridge Rectifier

In this hands-on semiconductor electronics experiment, build a full-wave bridge rectifier using silicon diodes and learn some of this circuit's advantages and disadvantages.

Textbook

Demultiplexers

A demultiplexer, sometimes abbreviated dmux, is a circuit that has one…

Textbook

Inductor Voltage and Current Relationship

Inductors do not have a stable “resistance” as conductors…

Textbook

Radio Circuits

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

Textbook

Parallel Circuits and the Application of Ohm’s Law

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

Textbook

Phase-locked Loops

Textbook