Categories

Fundamentals of Radio Communication

Worksheets - Software-Defined Radio

What does the acronym RF stand form, in reference to radio-related…

Passive Filter Circuits

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

What Is the Skin Effect?

Textbook

The Skin Depth of Copper in Electrical Engineering As previously…

Mixed-Frequency Signals

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

Other Diode Technologies

Textbook

Varicap or varactor diodes A variable capacitance diode is known as a…

Special Transformers and Applications

Textbook

Impedance Matching Because transformers can step voltage and current…

Phase-Locked Loops

Worksheets - Software-Defined Radio

This is a schematic for a simple VCO: The oscillator is of the RC…

Design Project: Radio Transmitter

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Research the FCC (Federal Communication Commission) guidelines on…

Principles of Radio

Textbook

One of the more fascinating applications of electricity is in the…

Maximum Power Transfer Theorem

Textbook

The Maximum Power Transfer Theorem is not so much a means of analysis…

BJT Quirks

Textbook

An ideal transistor would show 0% distortion in amplifying a signal.…

Radio Circuits

Textbook

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

Signal Modulation

Worksheets - Software-Defined Radio

A modern method of electrical power control involves inserting a…

Electromagnetism

Textbook

The discovery of the relationship between magnetism and electricity…

Maximum Power Transfer Theorem

Textbook

The Maximum Power Transfer Theorem is not so much a means of analysis…

Principles of Radio

Textbook

One of the more fascinating applications of electricity is in the…

Networks and Busses

Textbook

The wires between the tank and the monitoring location is  called…

Rectifier Circuits

Textbook

What is Rectification? Now we come to the most popular application of…

Band-pass Filters

Textbook

How to Create Band-pass Filter There are applications where a…

Wavelength (TEM) Calculator

Tools

This calculator determines the wavelength of a signal given the frequency and dielectric constant.

Characteristic Impedance

Textbook

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

Data Flow

Textbook

Buses and networks are designed to allow communication to occur…

Electromagnetic Induction

Textbook

While Oersted’s surprising discovery of electromagnetism paved…

“Long’’ and “Short’’ Transmission Lines

Textbook

In DC and low-frequency AC circuits, the characteristic impedance of…

Questions to Ask Before Proceeding

Textbook

Has the system ever worked before? If yes, has anything happened to…

Peak Detector

Textbook

A peak detector is a series connection of a diode and a…

Radar Maximum Range Calculator

Tools

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

Simple Parallel (Tank Circuit) Resonance

Textbook

Resonance in a Tank Circuit A condition of resonance will be…

Coax Inductance Calculator

Tools

A calculator for computing the inductance of a coaxial cable.

Other Waveshapes

Textbook

As strange as it may seem, any repeating, non-sinusoidal waveform is…

Noise Figure and Noise Temperature Calculator

Tools

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

Introduction to Digital Communication

Textbook

In the design of large and complex digital systems, it is often…

Square Wave Signals

Textbook

It has been found that any repeating, non-sinusoidal waveform can be…

Embedded Microstrip Impedance Calculator

Tools

This calculator helps you compute the characteristic impedance of an embedded microstrip.

Introduction to Junction Field-effect Transistors (JFET)

Textbook

A transistor is a linear semiconductor device that controls current…

Capacitor Sizing Equation

Textbook

Capacitance Formula     Permittivity of Dielectric  …

Arc Flash and Arc Blast

Worksheets - Software-Defined Radio

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

Arithmetic Properties

Textbook

Associative Property In addition and multiplication, terms may be…

Hand Calculator Use

Textbook

To enter numbers in scientific notation into a hand calculator, there…

Series and Parallel Inductors

Textbook

When inductors are connected in series, the total inductance is the…

The Importance of Electrical Safety

Textbook

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

What is a Meter?

Textbook

A meter is any device built to accurately detect and display an…

Ohm’s Law Practice Worksheet With Answers

Worksheets - Software-Defined Radio

Define the following terms: energy, work, and power.

Superconducting Devices

Textbook

Superconducting devices, though not widely used, have some unique…

Copper Wire Ampacity Table

Textbook

Ampacities of copper wire, in free air at 30o C: INSULATION TYPE…

Waveguide Calculator (Rectangular)

Tools

This tool calculates the cutoff frequency of a rectangular waveguide

Static Electricity

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What does it mean for an object to have an electric charge? Give an…

Voltmeter Usage

Textbook

PARTS AND MATERIALS Multimeter, digital or analog Assorted batteries…

Linear Computational Circuitry

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

Signal Modulation

Worksheets - Software-Defined Radio

A modern method of electrical power control involves inserting a…

IGFET Amplifiers

Worksheets - Software-Defined Radio

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

Simple Parallel Circuits

Textbook

On this page, we’ll outline the three principles you should…

Meter Check of a Transistor (JFET)

Textbook

Testing a JFET with a multimeter might seem to be a relatively easy…