Radar Maximum Range Calculator

This tool is designed to calculate the maximum distance (range) that a radar can detect

Tools

A 50-Ohm Cable?

Early in my explorations of electricity, I came across a length of…

Textbook

Friis Transmission Calculator

This calculator allows you to solve for any of the six variables in the Friis formula for RF transmission: transmitter power, transmitter gain, receiver power, receiver gain, frequency, or distance.

Tools

Link Budget Calculator

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.

Tools

Balanced Attenuator Calculator

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

Tools

Snell’s Law Calculator

Given three of the four input parameters (refractive indices, angles of incidence, and refraction) this tool calculates the missing variable based on Snell's law.

Tools

EIRP Calculator

A helpful tool for computing the Effective Isotropic Radiated Power (EIRP) of an antenna

Tools

Passive Filter Circuits

In very simple, qualitative terms, rate the impedance of capacitors…

Worksheets - Optical Communication

Digital Communication

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

Worksheets - Optical Communication

Q Factor and Bandwidth of a Resonant Circuit

The Q, or quality, factor of a resonant circuit is a measure of the…

Textbook

Bridged-Tee Attenuator Calculator

This calculator helps you determine the values of the resistors R1 and R2 to be used for a bridged-tee attenuator.

Tools

Antenna Downtilt and Coverage Calculator

This calculator will determine the correct antenna downtilt angle given the heights of the antennas and distance between them.

Tools

Design Project: Telegraph System

What voltage will you choose to use for each of the station batteries?

Worksheets - Optical Communication

The D Latch

Since the enable input on a gated S-R latch provides a way to latch…

Textbook

IGFET Amplifiers

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

Worksheets - Optical Communication

The Antiderivative (Indefinite Integral)

  Notice something important here: taking the derivative of f(x)…

Textbook

Digital Lab - Digital Combination Lock

In this hands-on electronics experiment, build a digital combination lock with LED output indicators and learn about XOR gate functionality and how to implement NOR logic functionality using diodes.

Textbook

Stepper Motor Calculator

A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor

Tools

Biasing Techniques (IGFET)

Textbook

The Bipolar Junction Transistor (BJT) as a Switch

Bipolar junction transistors (Also known as BJTs) can be used as an…

Textbook

AC Inductor Circuits

Resistors vs. Inductors Inductors do not behave the same way as…

Textbook

Op-Amp Practical Considerations

Real operational amplifiers have some imperfections compared to an…

Textbook

Arc Flash and Arc Blast

Electromechanical relays used to start and stop high-power electric…

Worksheets - Optical Communication

Current Divider Circuits

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

Worksheets - Optical Communication

Basic Electromagnetic Relays

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

Worksheets - Optical Communication

Performance-Based Assessments for Basic Electricity Competencies

(Template)

Worksheets - Optical Communication

Radio Circuits

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

Textbook

Nonlinear Conduction

“Advances are made by answering questions. Discoveries are made…

Textbook

Si Lab - Half-wave Rectifier

In this hands-on semiconductor electronics experiment, build a half-wave rectifier circuit using a silicon diode and learn about the differences between permanent magnet motor operation on AC vs. DC power.

Textbook

Karnaugh Maps, Truth Tables, and Boolean Expressions

Who Developed the Karnaugh Map? Maurice Karnaugh, a…

Textbook

Si Lab - JFET Current Regulator

In this hands-on semiconductor electronics experiment, build a junction field-effect transistor (JFET) current regulator and learn some of the advantages of JFETs over BJTs for current regulation.

Textbook

High Voltage Ohmmeters

Most ohmmeters of the design shown in the previous section utilize a…

Textbook

Switches, Hand Actuated

A switch is an electrical component that can “make” or…

Textbook