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…

Karnaugh Mapping

Worksheets - LCDs

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

7-segment Display

Textbook

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

CMOS 555 Long Duration Red 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 #…

Programmable Logic Controllers (PLC)

Textbook

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

Display Tubes

Textbook

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

CMOS 555 Long Duration Blue LED Flasher

Textbook

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

Digital Display Circuits

Worksheets - LCDs

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

LED Sequencer

Textbook

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

Convert MCD to Lumens

Tools

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

Optoelectronic Devices

Worksheets - LCDs

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

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

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…

Design Project: LED Stroboscope

Worksheets - LCDs

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

Transistor as a Switch

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

LED Resistor Calculator

Tools

An LED resistance calculator is perfect for when you have a single LED and need to know which resistor you should use.

Special-purpose Diodes

Textbook

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

Conductor Ampacity

Textbook

The smaller the cross-sectional area of any given wire, the greater…

555 Timer Monostable Circuit Calculator

Tools

This calculator computes for the output pulse width of a 555 timer monostable circuit

Voltmeter Design

Textbook

As was stated earlier, most meter movements are sensitive devices.…

Impedance Transformation

Textbook

Standing waves at the resonant frequency points of an open- or…

Transistors, Bipolar

Textbook

There are not too many circuit symbols for bipolar transistors. There…

A Very Simple Circuit

Textbook

Parts and Materials 6-volt battery 6-volt incandescent lamp Jumper…

Algebraic Substitution for Electric Circuits

Worksheets - LCDs

There are two basic Ohm’s Law equations: one relating voltage,…

Superconducting Devices

Textbook

Superconducting devices, though not widely used, have some unique…

Basic Oscilloscope Operation

Worksheets - LCDs

An oscilloscope is a very useful piece of electronic test equipment.…

Temperature Coefficient of Resistance

Textbook

You might have noticed on the table for specific resistances that all…

Band-stop Filters

Textbook

How to Create a Band-stop Filter? Also called band-elimination,…

Class A BJT Amplifiers

Worksheets - LCDs

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

CMOS Gate Circuitry

Textbook

Up until this point, our analysis of transistor logic circuits has…

General Troubleshooting Tips

Textbook

When first approaching a failed or otherwise misbehaving system, the…

Power Calculations

Textbook

When calculating the power dissipation of resistive components, use…

Rectifier Circuits

Worksheets - LCDs

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

Safe Practices

Textbook

If at all possible, shut off the power to a circuit before performing…

Phasor Mathematics

Worksheets - LCDs

Provide a definition for phasor, as the term applies to electrical…

Series Resistor-Capacitor Circuits

Textbook

In the last section, we learned what would happen in simple…

What is Alternating Current (AC)?

Textbook

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