Categories

Display Tubes

Textbook

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

Optoelectronic Devices

Worksheets - LEDs

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

Programmable Logic Controllers (PLC)

Textbook

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

7-segment Display

Textbook

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

Special-purpose Diodes

Textbook

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

Digital Display Circuits

Worksheets - LEDs

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

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.

Transistor as a Switch

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

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…

Optoelectronic Devices

Worksheets - LEDs

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

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…

LED Sequencer

Textbook

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

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…

Special-purpose Diodes

Textbook

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

CMOS 555 Long Duration Blue LED Flasher

Textbook

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

Digital Display Circuits

Worksheets - LEDs

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

Pulsed-light Sensor

Textbook

PARTS AND MATERIALS Two 6-volt batteries One NPN…

CMOS 555 Long Duration Red LED Flasher

Textbook

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

Karnaugh Mapping

Worksheets - LEDs

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…

Display Tubes

Textbook

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

Design Project: LED Stroboscope

Worksheets - LEDs

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

What is a Filter?

Textbook

It is sometimes desirable to have circuits capable of selectively…

Microstrip Trace Width Calculator

Tools

This tool is designed to compute for the trace width of a microstrip

Using Multiple Combinational Circuits

Textbook

As an example of using several circuits together, we are going to make…

Electrical Noise and Interference

Worksheets - LEDs

Define what noise means, in the electrical sense of the word. How does…

Atomic Structure

Worksheets - LEDs

Shown here is a simplified representation of an atom: the smallest…

Power in Resistive and Reactive AC circuits

Textbook

Consider a circuit for a single-phase AC power system, where a 120…

What is Network Analysis?

Textbook

Generally speaking, network analysis is any structured technique used…

Pressure Unit Conversion Calculator

Tools

This calculator will convert pressure values to ten different standard units for pressure.

Table (portrait view)

Textbook

  Periodic table of chemical elements.

Series Resistor-Inductor Circuits

Textbook

In the previous section, we explored what would happen in simple…

Vol III. Credits

Textbook

All entries arranged in alphabetical order of surname. Major…

Relay Construction

Textbook

Electricity and Magnetism An electric current through a conductor will…

Full-wave Center-tap Rectifier

Textbook

PARTS AND MATERIALS Low-voltage AC power supply (6-volt output) Two…

Microphones

Worksheets - LEDs

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

Practical Considerations of ADC Circuits

Textbook

Perhaps the most important consideration of an ADC is its resolution.…

Power Quality Measurement

Textbook

It used to be with large AC power systems that “power…

Sensitive Audio Detector

Textbook

PARTS AND MATERIALS High-quality “closed-cup” audio…

Square Root, Cube Root, and Nth Root Calculator

Tools

This calculator will determine the square root, cube root, or nth root of a given number, x.

Read-Only Memory (ROM)

Textbook

Read-only memory (ROM) is similar in design to static or dynamic RAM…

Design Project: Audio Power Amplifier

Worksheets - LEDs

Explain how the microphone in your amplifier works. How, exactly, does…