Categories

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

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…

Special-purpose Diodes

Textbook

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

Digital Display Circuits

Worksheets - Optical Sensors

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

Optoelectronic Devices

Worksheets - Optical Sensors

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

7-segment Display

Textbook

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

Simple Combination Lock

Textbook

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

CMOS 555 Long Duration Minimum Parts Red LED Flasher

Textbook

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

Digital Display Circuits

Worksheets - Optical Sensors

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

CMOS 555 Long Duration Blue LED Flasher

Textbook

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

Karnaugh Mapping

Worksheets - Optical Sensors

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

Display Tubes

Textbook

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

Programmable Logic Controllers (PLC)

Textbook

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

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

Convert MCD to Lumens

Tools

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

Optoelectronic Devices

Worksheets - Optical Sensors

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

Design Project: LED Stroboscope

Worksheets - Optical Sensors

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

CMOS 555 Long Duration Red LED Flasher

Textbook

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

LED Sequencer

Textbook

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

Special-purpose Diodes

Textbook

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

CMOS 555 Long Duration Flyback LED Flasher

Textbook

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

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Transistor as a Switch

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

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.

Frequency and Phase Measurement

Textbook

An important electrical quantity with no equivalent in DC circuits is…

Parallel Resistor Calculator

Tools

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.

The DIAC

Textbook

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

Arithmetic with Scientific Notation

Textbook

The benefits of scientific notation do not end with ease of writing…

Inductor Sizing Equation

Textbook

The Inductance Formula     Wheeler’s formulas for…

Embedded Microstrip Impedance Calculator

Tools

This calculator helps you compute the characteristic impedance of an embedded microstrip.

Electrical Transients

Textbook

This chapter explores the response of capacitors and inductors to…

Biasing Techniques (IGFET)

Textbook

AC Waveforms

Worksheets - Optical Sensors

Radio waves are comprised of oscillating electric and magnetic fields,…

Digital Memory Terms and Concepts

Textbook

When we store information in some kind of circuit or device, we not…

Introduction to Shift Registers

Textbook

Shift registers, like counters, are a form of sequential logic.…

Capacitor Sizing Equation

Textbook

Capacitance Formula     Permittivity of Dielectric  …

Resistors

Textbook

Because the relationship between voltage, current, and resistance in…

The Unijunction Transistor (UJT)

Textbook

Unijunction transistor: Although a unijunction transistor is not a…

Electromagnetism

Textbook

The discovery of the relationship between magnetism and electricity…

Noise Figure Calculator

Tools

A tool designed to calculate the noise figure of cascaded amplifiers

Switch Types

Textbook

Though it may seem strange to cover the elementary topic of electrical…

Series and Parallel Component Equivalent Values

Textbook

Series and Parallel Resistances     Series and Parallel…

Asynchronous Flip-Flop Inputs

Textbook

The normal data inputs to a flip flop (D, S and R, or J and K) are…

Bridge Circuits

Textbook

No text on electrical metering could be called complete without a…