Categories

Friis Transmission Calculator

Tools

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

Radar Maximum Range Calculator

Tools

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

Passive Filter Circuits

Worksheets - Telecom

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

Digital Communication

Worksheets - Telecom

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

Balanced Attenuator Calculator

Tools

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

Q Factor and Bandwidth of a Resonant Circuit

Textbook

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

EIRP Calculator

Tools

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

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 - Telecom

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

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.

A 50-Ohm Cable?

Textbook

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

Arithmetic with Scientific Notation

Textbook

The benefits of scientific notation do not end with ease of writing…

Vol V. Credits

Textbook

All entries arranged in alphabetical order of surname. Major…

Peak Detector

Textbook

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

Dielectric Strengths for Insulators

Textbook

Dielectric strength in kilovolts per inch (kV/in): Material*…

Radio Circuits

Textbook

(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…

Capacitor Impedance Calculator

Tools

This tool calculates a capacitor's reactance for a given capacitance value and signal frequency.

The Junction Field-effect Transistor (JFET) as a Switch

Textbook

Like its bipolar cousin, the field-effect transistor may be used as an…

What are “Series” and “Parallel” Circuits?

Textbook

Circuits consisting of just one battery and one load resistance are…

Wire Loop Inductance Calculator

Tools

This calculator helps you compute the inductance of a wire loop.

Step-up, Step-down, and Isolation Transformers

Worksheets - Telecom

Calculate the voltage output by the secondary winding of a transformer…

The Importance of Electrical Safety

Textbook

With this lesson, I hope to avoid a common mistake found in…

Coax Impedance Calculator

Tools

A helpful tool for calculating the impedance of a coaxial cable.

Energy, Work, and Power

Worksheets - Telecom

Define the following terms: energy, work, and power.

Fuses

Textbook

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

Trace Resistance Calculator

Tools

This calculator determines the resistance of a microstrip trace

Electron Versus Conventional Flow

Worksheets - Telecom

In this electrical circuit, trace the direction of current through the…

Other Specialized Motors

Textbook

Shaded Pole Induction Motor An easy way to provide starting torque to…

Temperature Converter

Tools

Convert between Celsius, Fahrenheit and Kelvin

Band-pass Filters

Textbook

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

Oscillator Circuits

Worksheets - Telecom

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

Safe Circuit Design

Textbook

As we saw earlier, a power system with no secure connection to earth…

Thevenin-Norton Equivalencies

Textbook

Since Thevenin’s and Norton’s Theorems are two equally…

Wire Microstrip Impedance Calculator

Tools

A helpful tool for calculating the impedance of a wire microstrip.

Basic Voltmeter Use

Worksheets - Telecom

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

4-wire Resistance Measurement

Textbook

PARTS AND MATERIALS 6-volt battery Electromagnet made from experiment…

Time Constant Circuits

Worksheets - Telecom

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

Octal and Hexadecimal Numeration

Textbook

Because binary numeration requires so many bits to represent…

Power Calculations

Textbook

When calculating the power dissipation of resistive components, use…

Autotransformers

Worksheets - Telecom

How much voltage is there between the following pairs of points in…

Vol II. Credits

Textbook

All entries arranged in alphabetical order of surname. Major…

Tesla Polyphase Induction Motors

Textbook

Most AC motors are induction motors. Induction motors are favored due…

Creating Custom Calibration Resistances

Textbook

Often in the course of designing and building electrical meter…

Permissive and Interlock Circuits

Textbook

A practical application of switch and relay logic is in control…

Half-Adder

Textbook

As a first example of useful combinational logic, let’s build a…

The Thyristor

Textbook

A thyristor is a device that has a number of unusual characteristics.…

The Instrumentation Amplifier

Textbook

What Is an Instrumentation Amplifier? An instrumentation amplifier…

Noise Figure Calculator

Tools

A tool designed to calculate the noise figure of cascaded amplifiers

Binary Count Sequence

Textbook

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

Susceptance and Admittance

Textbook

What is Conductance? In the study of DC circuits, the student of…

Wiring Color Codes

Textbook

Wiring for AC and DC power distribution branch circuits are color…