Categories

A 50-Ohm Cable?

Textbook

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

Friis Transmission Calculator

Tools

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

EIRP Calculator

Tools

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

Passive Filter Circuits

Worksheets - Modulation

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

Design Project: Telegraph System

Worksheets - Modulation

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

Digital Communication

Worksheets - Modulation

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

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.

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…

Balanced Attenuator Calculator

Tools

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

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.

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.

A 50-Ohm Cable?

Textbook

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

Radar Maximum Range Calculator

Tools

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

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.

Microprocessors

Textbook

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

RF Power Ratio Conversion Calculator

Tools

This tool is designed to convert power ratios to decibel

Phase Shift

Textbook

PARTS AND MATERIALS Low-voltage AC power supply Two capacitors, 0.1…

Analog-to-Digital Conversion

Worksheets - Modulation

The circuit shown here is a four-bit analog-to-digital converter…

AC Capacitor Circuits

Textbook

Capacitors Vs. Resistors Capacitors do not behave the same as…

Contributors (5)

Textbook

Contributors to this chapter are listed in chronological order of…

Ohm’s Law

Textbook

PARTS AND MATERIALS Calculator (or pencil and paper for doing…

Capacitor Types

Textbook

A capacitor is a passive two-terminal electronic component that…

Transistors, Bipolar

Textbook

There are not too many circuit symbols for bipolar transistors. There…

The Pentode

Textbook

Another strategy for addressing the problem of secondary electrons…

Ohm’s Law (again!)

Textbook

A common phrase heard in reference to electrical safety goes something…

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

Switches, Process Actuated

Textbook

It is very important to keep in mind that the “normal”…

Summary of Filters

Textbook

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

Design Project: Stepper Motor Driver

Worksheets - Modulation

At first it may seem pointless to have the four buffer gates following…

DC Motor Control Circuits

Worksheets - Modulation

How is it possible to electrically measure the torque output by a…

Fuses

Textbook

Normally, the ampacity rating of a conductor is a circuit design…

Practical Considerations - Batteries

Textbook

When connecting batteries together to form larger “banks”…

Pressure Unit Conversion Calculator

Tools

This calculator will convert pressure values to ten different standard units for pressure.