Categories

Digital Display Circuits

Worksheets - LCDs

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

Special-purpose Diodes

Textbook

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

Optoelectronic Devices

Worksheets - LCDs

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

CMOS 555 Long Duration Blue LED Flasher

Textbook

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

Simple Combination Lock

Textbook

PARTS AND MATERIALS 4001 quad NOR gate (Radio Shack catalog #…

LED Sequencer

Textbook

PARTS AND MATERIALS 4017 decade counter/divider (Radio Shack catalog…

7-segment Display

Textbook

PARTS AND MATERIALS 4511 BCD-to-7seg latch/decoder/driver (Radio…

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

CMOS 555 Long Duration Minimum Parts Red LED Flasher

Textbook

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

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

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…

Design Project: LED Stroboscope

Worksheets - LCDs

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

Convert MCD to Lumens

Tools

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

Programmable Logic Controllers (PLC)

Textbook

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

Karnaugh Mapping

Worksheets - LCDs

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

Transistor as a Switch

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

Display Tubes

Textbook

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

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.

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

CMOS 555 Long Duration Red LED Flasher

Textbook

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

Link Budget Calculator

Tools

A Link Budget puts into account all gains and losses a signal goes through in a system as it is transmitted. The calculator calculates the power of the received signal given amplifier and antenna gains, and medium loss.

What is Alternating Current (AC)?

Textbook

Most students of electricity begin their study with what is known as…

Voltage Divider Circuits

Worksheets - LCDs

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

Resonance

Worksheets - LCDs

The Q factor of a series inductive circuit is given by the following…

Noninverting Amplifier

Textbook

PARTS AND MATERIALS Operational amplifier, model 1458 or 353…

Bipolar Junction Transistors as Switches

Worksheets - LCDs

Solid-state switching circuits usually keep their constituent…

Active-mode Operation (IGFET)

Textbook

Logic Signal Voltage Levels

Textbook

Input Voltages for Logic Gates Logic gate circuits are designed to…

Current Divider Circuits and the Current Divider Formula

Textbook

A parallel circuit is often called a current divider for its ability…

Solving Simultaneous Equations: The Substitution Method and the Addition Method

Textbook

What are Simultaneous Equations and Systems of Equations? The terms…

Solid-state Relays

Textbook

Limitations of Electromechanical Relays As versatile as…

Twisted-Pair Impedance Calculator

Tools

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

Power in Electric Circuits

Textbook

In addition to voltage and current, there is another important…

High-impedance Voltmeter

Textbook

PARTS AND MATERIALS Operational amplifier, model TL082 recommended…

Measurements of AC Magnitude

Textbook

So far we know that AC voltage alternates in polarity and AC current…

How to Build a Current Mirror Circuit

Textbook

PARTS AND MATERIALS   Two NPN transistors—models 2N2222 or…

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

Textbook

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

DC Generator Theory

Worksheets - LCDs

Generators used in battery-charging systems must be regulated so as to…

Peak Detector

Textbook

A peak detector is a series connection of a diode and a…

Digital Display Circuits

Worksheets - LCDs

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