Latest Wireless/RF Education

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Signal Modulation

Worksheets - Wireless/RF

A modern method of electrical power control involves inserting a…

Passive Filter Circuits

Worksheets - Wireless/RF

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

Noise Figure Calculator

Tools

A tool designed to calculate the noise figure of cascaded amplifiers

Characteristic Impedance

Textbook

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

Decibels

Textbook

The Bel is Used to Represent Gain In its simplest form, an…

Peak Detector

Textbook

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

Square Wave Signals

Textbook

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

Finite-length Transmission Lines

Textbook

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

Review of R, X, and Z (Resistance, Reactance and Impedance)

Textbook

Before we begin to explore the effects of resistors, inductors, and…

Electric Shock

Worksheets - Wireless/RF

It is sometimes said regarding electrical safety that, Ït’s not the…

Principles of Radio

Textbook

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

Friis Transmission Calculator

Tools

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

More on Spectrum Analysis

Textbook

Computerized Fourier analysis, particularly in the form of the FFT…

AC Instrumentation Transducers

Textbook

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

Active Filters

Worksheets - Wireless/RF

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

Band-stop Filters

Textbook

How to Create a Band-stop Filter? Also called band-elimination,…

Network Protocols

Textbook

Aside from the issues of the physical network (signal types and…

Inductance, Reactance, and Admittance Calculator

Tools

This calculator gives the reactance and admittance of an inductor or the inductance given the reactance of an inductor

BJT Quirks

Textbook

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

Q Factor and Bandwidth of a Resonant Circuit

Textbook

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

Basic Voltmeter Use

Worksheets - Wireless/RF

What will this voltmeter register when connected to a battery as shown…

Digital Lab - S-R Latch With Enable Input using NAND Gates

Textbook

In this hands-on electronics experiment, you will build an S-R latch with an enabled input using four NAND gates and learn more about digital circuit functionality.

Microprocessors

Textbook

Early computer science pioneers such as Alan Turing and John Von…

Circuits and the Speed of Light

Textbook

Suppose we had a simple one-battery, one-lamp circuit controlled by a…

Contributors (10)

Textbook

Contributors to this chapter are listed in chronological order of…

Simple AC Circuit Calculations

Textbook

Over the course of the next few chapters, you will learn that AC…

Stepper Motors

Worksheets - Wireless/RF

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

Series-Parallel DC Circuits

Worksheets - Wireless/RF

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

Intro Lab - Resistor Power Dissipation

Textbook

In this hands-on electronics experiment, you will examine the heat generated by resistors and maybe even make one smoke! Also, learn to calculate power dissipation using Joule's law and resistor power ratings.

Common Sources of Hazard

Textbook

Of course, there is a danger of electrical shock when directly…

Electron Tubes

Textbook

Cathode:   This is the electrode that is heated and emits the…

Pulse Width Modulation

Textbook

Pulse Width Modulation (PWM) uses digital signals to control power…

Systems of Numeration

Textbook

Roman Numerals The Romans devised a system that was a substantial…

Binary Math Circuits

Worksheets - Wireless/RF

Add the following binary numbers:

The “Buffer” Gate

Textbook

If we were to connect two inverter gates together so that the output…

Digital Codes

Worksheets - Wireless/RF

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

Diode Switching Circuits

Textbook

Diodes can perform switching and digital logic operations. Forward and…

Design Project: Power Inverter

Worksheets - Wireless/RF

A common topology for DC-AC power converter circuits uses a pair of…

Parallel Resistor-Capacitor Circuits

Textbook

Using the same value components in our series example circuit, we will…

Wound Rotor Induction Motors

Textbook

A wound rotor induction motor has a stator like a squirrel cage…

Common Derivatives

Textbook

    RELATED WORKSHEETS: Calculus for Electric Circuits…

Conversion From Decimal Numeration

Textbook

Because octal and hexadecimal numeration systems have bases that are…

Simple Parallel (Tank Circuit) Resonance

Textbook

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

Intro Lab - Build an Electromagnet

Textbook

In this hands-on electronics experiment, you will build an electromagnet and learn about electromagnetism including the relationship of magnetic polarity to current flow.

BJT Amplifier Troubleshooting

Worksheets - Wireless/RF

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

Series and Parallel Capacitors

Textbook

When capacitors are connected in series, the total capacitance is…

Wound Rotor Induction Motors

Textbook

A wound rotor induction motor has a stator like a squirrel cage…

DC Generator Theory

Worksheets - Wireless/RF

Generators used in battery-charging systems must be regulated so as to…

Digital Logic Signals

Worksheets - Wireless/RF

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

Resonant Filters

Textbook

So far, the filter designs we’ve concentrated on have employed…

555 Lab - Schmitt Trigger

Textbook

In this hands-on electronics experiment, build a Schmitt trigger using a 555 timer and learn about hysteresis and the inner workings of the extremely versatile 555 timer IC.

Gas Discharge Tubes

Textbook

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

Voltage Divider Circuits

Textbook

Let’s analyze a simple series circuit and determine the voltage…

Inductance, Reactance, and Admittance Calculator

Tools

This calculator gives the reactance and admittance of an inductor or the inductance given the reactance of an inductor

Memory with moving parts: “Drives”

Textbook

The earliest forms of digital data storage involving moving parts was…

Multimeters

Textbook

Seeing as how a common meter movement can be made to function as a…

Re-drawing Complex Schematics

Textbook

Typically, complex circuits are not arranged in nice, neat, clean…

Inductor Quirks

Textbook

In an ideal case, an inductor acts as a purely reactive device. That…

Microstrip Max Current Calculator

Tools

A calculator for solving the maximum current a microstrip can handle.

Nonlinear OpAmp Circuits

Worksheets - Wireless/RF

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