Categories

Q Factor and Bandwidth of a Resonant Circuit

Textbook

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

Digital Communication

Worksheets - Digital Communication

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

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.

EIRP Calculator

Tools

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

Digital Communication

Worksheets - Digital Communication

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

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.

Q Factor and Bandwidth of a Resonant Circuit

Textbook

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

Link Budget Calculator

Tools

This tool is designed to calculate the power at the receiver using link budget analysis.

A 50-Ohm Cable?

Textbook

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

Design Project: Telegraph System

Worksheets - Digital Communication

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

Radar Maximum Range Calculator

Tools

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

Friis Transmission Calculator

Tools

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

Passive Filter Circuits

Worksheets - Digital Communication

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

Balanced Attenuator Calculator

Tools

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

Complex Vector Addition

Textbook

If vectors with uncommon angles are added, their magnitudes (lengths)…

Noise Figure Calculator

Tools

A tool designed to calculate the noise figure of cascaded amplifiers

Derivative of a Constant

Textbook

(“c” being a constant)

AC Motor Theory

Worksheets - Digital Communication

Electromechanical watt-hour meters use an aluminum disk that is spun…

A Very Simple Circuit

Textbook

Parts and Materials 6-volt battery 6-volt incandescent lamp Jumper…

555 Hysteretic Oscillator

Textbook

Try out our 555 Timer Astable Circuit in our Tools section. PARTS AND…

Averager and Summer Circuits

Textbook

If we take three equal resistors and connect one end of each to a…

555 Audio Oscillator

Textbook

PARTS AND MATERIALS Two 6 volt batteries One capacitor, 0.1 µF,…

Digital Codes

Worksheets - Digital Communication

Counting practice: count from zero to thirty-one in binary, octal, and…

The Importance of Electrical Safety

Textbook

With this lesson, I hope to avoid a common mistake found in…

Introduction to Digital Integrated Circuits

Textbook

Digital circuits are circuits dealing with signals restricted to the…

Enhancement-type IGFETs

Textbook

Wire Over Plane Inductance Calculator

Tools

This calculator helps you compute the inductance of a wire-over-plane setup.

Bipolar Junction Transistors as Switches

Worksheets - Digital Communication

Solid-state switching circuits usually keep their constituent…

Oscilloscope Trigger Controls

Worksheets - Digital Communication

A very useful tool for observing rotating objects is a strobe light.…

Safe Meter Usage

Textbook

Using an electrical meter safely and efficiently is perhaps the most…

Vol IV. Credits

Textbook

All entries arranged in alphabetical order of surname. Major…

Decoder

Textbook

A decoder is a circuit that changes a code into a set of signals. It…

Polyphase Power Systems

Worksheets - Digital Communication

Explain the difference between a balanced polyphase system and an…

Static Electricity

Textbook

It was discovered centuries ago that certain types of materials would…