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Bridged-Tee Attenuator Calculator

Bridged-Tee Attenuator Calculator

This calculator helps you determine the values of the resistors R1 and R2 to be used for a bridged-tee attenuator.


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Antenna Downtilt and Coverage Calculator

Antenna Downtilt and Coverage Calculator

This calculator will determine the correct antenna downtilt angle given the heights of the antennas and distance between them.


Tools

Friis Transmission Calculator

Friis Transmission Calculator

This calculator allows you to solve for any of the six variables in the Friis formula for RF transmission: transmitter power, transmitter gain, receiver power, receiver gain, frequency, or distance.


Tools

Snell’s Law Calculator

Snell’s Law Calculator

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.


Tools

Digital Communication

Digital Communication

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


Worksheets - Telecom

Link Budget Calculator

Link Budget Calculator

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.


Tools

Q Factor and Bandwidth of a Resonant Circuit

Q Factor and Bandwidth of a Resonant Circuit

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


Textbook

Passive Filter Circuits

Passive Filter Circuits

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


Worksheets - Telecom

Balanced Attenuator Calculator

Balanced Attenuator Calculator

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


Tools

EIRP Calculator

EIRP Calculator

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


Tools

Design Project: Telegraph System

Design Project: Telegraph System

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


Worksheets - Telecom

Radar Maximum Range Calculator

Radar Maximum Range Calculator

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


Tools

A 50-Ohm Cable?

A 50-Ohm Cable?

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


Textbook

AC Lab - Build a Transformer

AC Lab - Build a Transformer

In this hands-on AC electronics experiment, build a simple transformer and learn some important transformer fundamentals including voltage step-up and step-down.


Textbook

Si Lab - Full-wave Center-tap Rectifier

Si Lab - Full-wave Center-tap Rectifier

In this hands-on semiconductor electronics experiment, build a full-wave rectifier for AC to DC conversion and learn about center-tapped transformers.


Textbook

Boolean Rules for Simplification

Boolean Rules for Simplification

Boolean algebra finds its most practical use in the simplification of…


Textbook

Linear Computational Circuitry

Linear Computational Circuitry

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


Worksheets - Telecom

Ideal Diode Current and Voltage Calculator

Ideal Diode Current and Voltage Calculator

This calculator solves for any single missing value in the ideal diode I-V equation for a forward-biased PN-junction diode. Parameters are current, saturation current, voltage, temperature, and ideality factor.


Tools

Single-ended and Differential Amplifiers

Single-ended and Differential Amplifiers

For ease of drawing complex circuit diagrams, electronic amplifiers…


Textbook

Stripline Trace Width Calculator

Stripline Trace Width Calculator

A calculator designed to calculate the trace width of a stripline based on the maximum current rating


Tools

Microcontroller Principles

Microcontroller Principles

Read the following quotation, and then research the term…


Worksheets - Telecom

Microprocessor Programming

Microprocessor Programming

What is the difference between a JMP (“jump”) instruction and a…


Worksheets - Telecom

Display Tubes

Display Tubes

In addition to performing tasks of amplification and switching, tubes…


Textbook

Ohm’s Law - How Voltage, Current, and Resistance Relate

Ohm’s Law - How Voltage, Current, and Resistance Relate

The first, and perhaps most important, relationship between current,…


Textbook

Si Lab - A Simple BJT Current Mirror Circuit

Si Lab - A Simple BJT Current Mirror Circuit

In this hands-on semiconductor electronics experiment, build a simple current mirror using matched bipolar junction transistors (BJTs) and learn about current mirror circuit limitations, the temperature dependence of BJTs, and thermal runaway.


Textbook

Polyphase Motor Design

Polyphase Motor Design

AC Motors Perhaps the most important benefit of polyphase AC power…


Textbook

Intro Lab - How to Use an Ammeter to Measure Current

Intro Lab - How to Use an Ammeter to Measure Current

In this hands-on introduction to electronics, you will experiment with a multimeter and learn how to measure current using the ammeter function.


Textbook

Contributors (2)

Contributors (2)

Contributors to this chapter are listed in chronological order of…


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Metric Notation

Metric Notation

The metric system, besides being a collection of measurement units for…


Textbook

Sequences

Sequences

Arithmetic Sequences An arithmetic sequence is a series of numbers…


Textbook

Digital Lab - 3-bit Binary Counter

Digital Lab - 3-bit Binary Counter

In this hands-on electronics experiment, build a 3-bit down counter using J-K flip-flops and learn about asynchronous counter functionality.


Textbook

Friis Transmission Calculator

Friis Transmission Calculator

This calculator allows you to solve for any of the six variables in the Friis formula for RF transmission: transmitter power, transmitter gain, receiver power, receiver gain, frequency, or distance.


Tools

Metric Prefixes and Unit Conversions

Metric Prefixes and Unit Conversions

Metric Prefixes   Yotta = 1024 Symbol: Y Zetta = 1021 Symbol: Z…


Textbook

Some Examples with AC Circuits

Some Examples with AC Circuits

Let’s connect three AC voltage sources in series and use complex…


Textbook

Time-Delay Electromechanical Relays

Time-Delay Electromechanical Relays

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


Worksheets - Telecom

Copper Wire Ampacity Table

Copper Wire Ampacity Table

Ampacities of copper wire, in free air at 30o C: INSULATION TYPE…


Textbook

Principles of Radio

Principles of Radio

One of the more fascinating applications of electricity is in the…


Textbook

Magnetic Units of Measurement

Magnetic Units of Measurement

If the burden of two systems of measurement for common quantities…


Textbook

Introduction to Karnaugh Mapping

Introduction to Karnaugh Mapping

Why learn about Karnaugh maps? The Karnaugh map, like Boolean…


Textbook

Protective Relays

Protective Relays

A special type of relay is one that monitors the current, voltage,…


Textbook

Control Circuits

Control Circuits


Textbook

Microwave Tubes

Microwave Tubes

For extremely high-frequency applications (above 1 GHz), the…


Textbook

Non-Inverting Op-Amp Resistor Calculator

Non-Inverting Op-Amp Resistor Calculator

This calculator determines the bias and feedback of resistors for a non-inverting Op-Amp


Tools

Optical Data Communication

Optical Data Communication

A modern alternative to sending (binary) digital information via…


Textbook

Introduction to Bipolar Junction Transistors (BJT)

Introduction to Bipolar Junction Transistors (BJT)

The invention of the bipolar transistor in 1948 ushered in a…


Textbook

The Gated S-R Latch

The Gated S-R Latch

It is sometimes useful in logic circuits to have a multivibrator which…


Textbook

Twisted-Pair Impedance Calculator

Twisted-Pair Impedance Calculator

A tool designed to calculate the characteristic impedance of a twisted-pair cable


Tools

Contributors (2)

Contributors (2)

Contributors to this chapter are listed in chronological order of…


Textbook

DIY EE Lab - Introduction to Electronics Projects

DIY EE Lab - Introduction to Electronics Projects

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.


Textbook

DC Lab - Rheostat Range Limiting

DC Lab - Rheostat Range Limiting

In this hands-on electronics experiment, you will use series and parallel resistor networks to precisely adjust the range and zero point of a rheostat.


Textbook

TTL NOR and OR gates

TTL NOR and OR gates

TTL Circuit Analysis Let’s examine the following TTL circuit and…


Textbook

Simple Parallel (Tank Circuit) Resonance

Simple Parallel (Tank Circuit) Resonance

Resonance in a Tank Circuit A condition of resonance will be…


Textbook

DIP Gate Packaging

DIP Gate Packaging

Digital logic gate circuits are manufactured as integrated circuits:…


Textbook