Latest Digital Communication Education

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A 50-Ohm Cable?

Textbook

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

Digital Communication

Worksheets - Digital Communication

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

Q Factor and Bandwidth of a Resonant Circuit

Textbook

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

Passive Filter Circuits

Worksheets - Digital Communication

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

A 50-Ohm Cable?

Textbook

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

Balanced Attenuator Calculator

Tools

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

EIRP Calculator

Tools

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

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.

Q Factor and Bandwidth of a Resonant Circuit

Textbook

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

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.

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.

Radar Maximum Range Calculator

Tools

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

Digital Communication

Worksheets - Digital Communication

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

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

Design Project: Telegraph System

Worksheets - Digital Communication

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

Characteristic Impedance

Textbook

The Parallel Wires of Infinite Length Suppose, though, that we had a…

Band Theory of Solids

Textbook

Quantum physics describes the states of electrons in an atom according…

Resonance

Worksheets - Digital Communication

The Q factor of a series inductive circuit is given by the following…

Specific Troubleshooting Techniques

Textbook

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

Three-phase Transformer Circuits

Textbook

Since three-phase is used so often for power distribution systems, it…

Digital Lab - S-R Latch Using NOR Gates

Textbook

In this hands-on electronics experiment, build an S-R latch using two NOR gates and learn how this type of digital memory operates, including invalid states, race conditions, and the effects of output loading.

Phase Rotation

Textbook

Three-Phase Alternator Let’s take the three-phase alternator…

Introduction to Complex Numbers

Textbook

If I needed to describe the distance between two cities, I could…

Factoring Equivalencies

Textbook

Factoring Identities :   a2 - b2 = (a + b) (a - b) a2 + 2ab + b2…

Design Project: Intercom System

Worksheets - Digital Communication

Design a passive circuit that will create a "split” ( V/-V) power…

Wiring Color Codes

Textbook

Wiring for AC and DC power distribution branch circuits are color…

Digital Lab - 7-segment LED Display

Textbook

In this hands-on electronics experiment, you will control a 7-segment binary-coded decimal (BCD) display and learn about active-low and active-high logic inputs.

Venn Diagrams and Sets

Textbook

Mathematicians use Venn diagrams to show the logical relationships of…

Digital Logic Signals

Worksheets - Digital Communication

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

Junction Field-effect Transistors

Textbook

The field effect transistor was proposed by Julius Lilienfeld in US…

Biasing Techniques (IGFET)

Textbook

Current Divider Circuits and the Current Divider Formula

Textbook

A parallel circuit is often called a current divider for its ability…

Capacitor Transient Response

Textbook

Because capacitors store energy in the form of an electric field, they…

The Common-source Amplifier (IGFET)

Textbook

Broadside Coupled Stripline Impedance Calculator

Tools

This calculator helps you compute the characteristic impedance of a broadside coupled stripline.