Latest Wireless Communication Education

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Antenna Downtilt and Coverage Calculator

Tools

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

Digital Communication

Worksheets - Wireless Communication

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

Design Project: Telegraph System

Worksheets - Wireless Communication

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

Bridged-Tee Attenuator Calculator

Tools

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

Radar Maximum Range Calculator

Tools

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

EIRP Calculator

Tools

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

Balanced Attenuator Calculator

Tools

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

Snell’s Law Calculator

Tools

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.

Q Factor and Bandwidth of a Resonant Circuit

Textbook

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

A 50-Ohm Cable?

Textbook

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

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.

Friis Transmission Calculator

Tools

This calculator computes the power received by an antenna using Friis formula

Passive Filter Circuits

Worksheets - Wireless Communication

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

Specific Troubleshooting Techniques

Textbook

After applying some of the general troubleshooting tips to narrow the…

Power Conversion Circuits

Worksheets - Wireless Communication

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

Noise Figure and Noise Temperature Calculator

Tools

This calculator computes the noise figure and noise temperature in a system

Octal and Hexadecimal Numeration

Textbook

Because binary numeration requires so many bits to represent…

Tachogenerators

Textbook

An electromechanical generator is a device capable of producing…

Microstrip Inductance Calculator

Tools

This calculator computes the inductance of a microstrip etched on a PCB.

Heat Sink Calculator

Tools

This calculator helps determine the maximum temperature a device can withstand

Single-phase Induction Motors

Textbook

A three-phase motor may be run from a single-phase power source.…

Digital Logic Signals

Worksheets - Wireless Communication

A rheostat (variable resistor) and a switch are both examples of…

Likely Failures in Unproven Systems

Textbook

“All men are liable to error;” —John Locke Whereas…

Design Project: Sensitive Microphone Amplifier

Worksheets - Wireless Communication

Identify which direction each potentiometer wiper must move in this…

Voltage and Current in a Practical Circuit

Textbook

Because it takes energy to force charge to flow against the opposition…

The Silicon-Controlled Rectifier (SCR)

Textbook

Shockley Diodes and Silicon Controlled Rectifiers (SCRs) Shockley…

Gas Discharge Tubes

Textbook

If you’ve ever witnessed a lightning storm, you’ve seen…

Simple Series Resonance

Textbook

A similar effect happens in series inductive/capacitive circuits. When…

Basic Troubleshooting Strategies

Worksheets - Wireless Communication

A chandelier has five light bulbs in it, and one of them is not…

Mixed-Frequency Signals

Worksheets - Wireless Communication

What is a harmonic frequency? If an oscillator circuit outputs a…

Node Voltage Method

Textbook

The node voltage method of DC network analysis solves for unknown…

Input and Output Coupling

Textbook

To overcome the challenge of creating necessary DC bias voltage for an…

R, L and C Summary

Textbook

With the notable exception of calculations for power (P), all AC…