Categories

Principles of Radio

Textbook

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

Phase-Locked Loops

Worksheets - Software-Defined Radio

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

Passive Filter Circuits

Worksheets - Software-Defined Radio

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

Mixed-Frequency Signals

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

What Is the Skin Effect?

Textbook

The Skin Depth of Copper in Electrical Engineering As previously…

Fundamentals of Radio Communication

Worksheets - Software-Defined Radio

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

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…

Special Transformers and Applications

Textbook

Impedance Matching Because transformers can step voltage and current…

BJT Quirks

Textbook

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

Maximum Power Transfer Theorem

Textbook

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

Other Diode Technologies

Textbook

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

Design Project: Radio Transmitter

Worksheets - Software-Defined Radio

Research the FCC (Federal Communication Commission) guidelines on…

High-pass Filters

Textbook

A high-pass filter’s task is just the opposite of a low-pass…

Three-phase Transformer Circuits

Textbook

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

Introduction to Mixed-Frequency AC Signals

Textbook

In our study of AC circuits thus far, we’ve explored circuits…

Maximum Power Transfer Theorem

Textbook

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

Free Space Path Loss Calculator

Tools

This calculator calculates the free space loss, given the distance, frequency, and gain, between two antennas.

Digital Communication

Worksheets - Software-Defined Radio

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

Peak Detector

Textbook

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

Optical Data Communication

Textbook

A modern alternative to sending (binary) digital information via…

Questions to Ask Before Proceeding

Textbook

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

Finite-length Transmission Lines

Textbook

A transmission line of infinite length is an interesting abstraction,…

Waveguide Calculator (Circular)

Tools

This tool calculates the cutoff frequency of a circular waveguide

Passive Filter Circuits

Worksheets - Software-Defined Radio

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

Waveguides

Textbook

A waveguide is a special form of transmission line consisting of a…

Special Transformers and Applications

Textbook

Impedance Matching Because transformers can step voltage and current…

Friis Transmission Calculator

Tools

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

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.

Radar Maximum Range Calculator

Tools

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

Magnetic Fields and Inductance

Textbook

Whenever electrons flow through a conductor, a magnetic field will…

Data Flow

Textbook

Buses and networks are designed to allow communication to occur…

Microstrip Wavelength Calculator

Tools

A tool designed to calculate the guided wavelength inside a microstrip.

Kirchhoff’s Voltage Law (KVL)

Textbook

What is Kirchhoff’s Voltage Law (KVL)? The principle known as…

Building Resistor Circuits Using Breadboards, Perfboards, and Terminal Strips

Textbook

Over the course of learning about electricity, you will want to…

Contributors (6)

Textbook

Contributors to this chapter are listed in chronological order of…

OpAmp Oscillator Circuits

Worksheets - Software-Defined Radio

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

Inverting and Noninverting OpAmp Voltage Amplifier Circuits

Worksheets - Software-Defined Radio

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

Resonance

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

Bipolar Junction Transistors in Active Mode

Worksheets - Software-Defined Radio

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

VSWR / Return Loss Calculator

Tools

A calculator designed to compute the VSWR, reflection coefficient, return loss and matching loss in a transmission line

Bit Grouping

Textbook

The singular reason for learning and using the binary numeration…

BJT Amplifier Troubleshooting

Worksheets - Software-Defined Radio

As an instructor of electronics, I am called upon frequently to help…

Step-up, Step-down, and Isolation Transformers

Worksheets - Software-Defined Radio

Calculate the voltage output by the secondary winding of a transformer…

Look-up Tables

Textbook

Having learned about digital memory devices in the last chapter, we…

Class C BJT Amplifiers

Worksheets - Software-Defined Radio

A common class of operation used in radio-frequency (RF) amplifier…

Operational Amplifier Models

Textbook

While mention of operational amplifiers typically provokes visions of…

Building a Differential Amplifier

Textbook

Differential Op-Amp Circuits An op-amp with no feedback is already a…

Si Lab - Simple Op Amp

Textbook

In this hands-on semiconductor electronics experiment, build a custom operational amplifier (op amp) and learn about the application of current mirrors and the use of negative feedback in op amp circuits.

Basic Logic Gate Troubleshooting

Worksheets - Software-Defined Radio

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

Gate Universality

Textbook

NAND and NOR gates possess a special property: they are universal.…

AC Instrumentation Transducers

Textbook

Just as devices have been made to measure certain physical quantities…

Rectifying Diodes

Worksheets - Software-Defined Radio

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