Categories

A 50-Ohm Cable?

Textbook

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

Balanced Attenuator Calculator

Tools

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

Radar Maximum Range Calculator

Tools

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

Friis Transmission Calculator

Tools

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

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.

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.

EIRP Calculator

Tools

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

Digital Communication

Worksheets - Modulation

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

Q Factor and Bandwidth of a Resonant Circuit

Textbook

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

Passive Filter Circuits

Worksheets - Modulation

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

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.

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.

Design Project: Telegraph System

Worksheets - Modulation

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

Wire Stripline Impedance Calculator

Tools

A calculator for computing the impedance of a wire stripline.

Band Theory of Solids

Textbook

Quantum physics describes the states of electrons in an atom according…

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,…

Feedback

Textbook

If some percentage of an amplifier’s output signal is connected…

Semiconductor Devices in SPICE

Textbook

The SPICE (Simulation Program, Integrated Circuit Emphesis)…

Reflection Attenuator Calculator

Tools

This tool is designed to calculate the value of resistance R1 in a reflection attenuator.

Calculus for Electric Circuits

Worksheets - Modulation

∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…

Right Triangle Trigonometry

Textbook

  A right triangle is defined as having one angle precisely…

Balanced Attenuator Calculator

Tools

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

Differential Equations

Textbook

As opposed to normal equations where the solution is a number, a…

Data Flow

Textbook

Buses and networks are designed to allow communication to occur…

Insulated Gate Field-Effect Transistors

Worksheets - Modulation

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

Time Constant Circuits

Worksheets - Modulation

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

Inductor Transient Response

Textbook

Inductors have the exact opposite characteristics of capacitors.…

Contributors (3)

Textbook

<p> Contributors to this chapter are listed in chronological…

Binary Count Sequence

Textbook

If we examine a four-bit binary count sequence from 0000 to 1111, a…

Mesh Current Method (Loop Current Method)

Textbook

This page provides a step-by-step introduction to using the mesh…

Shift Registers: Serial-in, Serial-out

Textbook

Serial-in, serial-out shift registers delay data by one clock time for…

Pulse Width Modulation

Textbook

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