Categories

A 50-Ohm Cable?

Textbook

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

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.

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…

Q Factor and Bandwidth of a Resonant Circuit

Textbook

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

Radar Maximum Range Calculator

Tools

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

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.

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.

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.

Passive Filter Circuits

Worksheets - Modulation

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

EIRP Calculator

Tools

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

High-pass Filters

Textbook

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

Systems of Numeration

Textbook

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

Kirchhoff’s Laws

Worksheets - Modulation

Many electronic circuits use what is called a split or a dual power…

Semiconductor Manufacturing Techniques

Textbook

The manufacture of only silicon based semiconductors is described…

Electrical Connections

Worksheets - Modulation

What, exactly, is necessary to establish electrical continuity between…

Negative Binary Numbers

Textbook

With addition being easily accomplished, we can perform the operation…

Branch Current Method

Textbook

The first and most straightforward network analysis technique is…

Why digital?

Textbook

Although many textbooks provide good introductions to digital memory…

Elementary Circuits

Worksheets - Modulation

In the simplest terms you can think of, define what an electrical…

Time-Delay Electromechanical Relays

Worksheets - Modulation

What does the normal status of an electrical switch refer to?…

Power Quality Measurement

Textbook

It used to be with large AC power systems that “power…

pH Measurement

Textbook

A very important measurement in many liquid chemical processes…

Coax Inductance Calculator

Tools

A calculator for computing the inductance of a coaxial cable.

Decimal versus Binary Numeration

Textbook

Let’s count from zero to twenty using four different kinds of…

Free Space Path Loss Calculator

Tools

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

Heat Sink Calculator

Tools

This calculator helps determine the maximum temperature a device can withstand

Switch Types

Textbook

Though it may seem strange to cover the elementary topic of electrical…

Single-phase Induction Motors

Textbook

A three-phase motor may be run from a single-phase power source.…

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

Potential Pitfalls

Textbook

Fallacious reasoning and poor interpersonal relations account for more…