Latest Modulation Education

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A 50-Ohm Cable?

Textbook

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

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.

Design Project: Telegraph System

Worksheets - Modulation

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

A 50-Ohm Cable?

Textbook

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

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.

EIRP Calculator

Tools

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

Friis Transmission Calculator

Tools

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

Balanced Attenuator Calculator

Tools

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

Digital Communication

Worksheets - Modulation

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

Radar Maximum Range Calculator

Tools

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

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.

Passive Filter Circuits

Worksheets - Modulation

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

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.

Series and Parallel Inductors

Textbook

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

Summary of Filters

Textbook

As lengthy as this chapter has been up to this point, it only begins…

AC Voltmeters and Ammeters

Textbook

AC electromechanical meter movements come in two basic arrangements:…

Optoelectronic Devices

Worksheets - Modulation

In this circuit, the electric motor is supposed to turn on whenever…

Converting Between Thevenin and Norton Equivalent Circuits

Textbook

Since Thevenin’s theorem and Norton’s theorems are two…

Introduction to Shift Registers

Textbook

Shift registers, like counters, are a form of sequential…

Troubleshooting Series and Parallel Circuits

Textbook

The jobs of electronics engineers and technicians frequently entail…

Design Project: Audio Power Amplifier

Worksheets - Modulation

Explain how the microphone in your amplifier works. How, exactly, does…

Band-pass Filters

Textbook

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

DIY EE Lab - Introduction to Electronics Projects

Textbook

To learn about electronics, you must eventually engage in hands-on experimentation. Knowledge gleaned from books alone has limited use in scientific endeavors. Troubleshooting a circuit can be as important as the knowledge gained from a properly functioning experiment.

High-Reliability Circuits

Worksheets - Modulation

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

Memory with moving parts: “Drives”

Textbook

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

Factors Affecting Inductance

Textbook

There are four basic factors of inductor construction determining the…

Unit Conversion Calculator

Tools

Convert to and from different units of length, weight, power, temperature and torque

Right Triangle Trigonometry

Textbook

  A right triangle is defined as having one angle precisely…

Electric Fields and Capacitance

Textbook

Introduction Whenever an electric voltage exists between two separated…

Nonlinear OpAmp Circuits

Worksheets - Modulation

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

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.

Series and Parallel Capacitors

Textbook

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

Inductor Voltage and Current Relationship

Textbook

Inductors do not have a stable “resistance” as conductors…