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Digital Communication

Worksheets - Telecom

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

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.

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

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.

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.

Passive Filter Circuits

Worksheets - Telecom

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

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.

Design Project: Telegraph System

Worksheets - Telecom

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

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.

A 50-Ohm Cable?

Textbook

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

Insulated Gate Field-Effect Transistors

Worksheets - Telecom

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

Contributors (13)

Textbook

Contributors to this chapter are listed in chronological order of…

Diodes

Textbook

A diode is an electronics component made from a combination of a…

Trace Resistance Calculator

Tools

This calculator determines the resistance of a microstrip trace

Resistance, Reactance, and Impedance

Worksheets - Telecom

What will happen to the brightness of the light bulb as the iron core…

Linear Computational Circuitry

Worksheets - Telecom

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

AC Lab - Musical Keyboard as a Signal Generator

Textbook

In this hands-on AC electronics experiment, an electronic musical keyboard will be used as a variable-frequency AC signal generator to learn the difference between AC amplitude and frequency.

The Antiderivative (Indefinite Integral)

Textbook

  Notice something important here: taking the derivative of f(x)…

Stepper Motor Calculator

Tools

A tool designed to calculate the maximum speed, minimum time per step and maximum power of a stepper motor

Digital Signals and Gates

Textbook

While the binary numeration system is an interesting mathematical…

AC Waveforms

Textbook

When an alternator produces AC voltage, the voltage switches polarity…

Re-drawing Complex Schematics

Textbook

Typically, complex circuits are not arranged in nice, neat, clean…

Phase-locked Loops

Textbook

Design Project: Stepper Motor Driver

Worksheets - Telecom

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

OpAmp Oscillator Circuits

Worksheets - Telecom

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

Insulator Breakdown Voltage

Textbook

The atoms in insulating materials have very tightly-bound electrons,…

AC Network Analysis

Worksheets - Telecom

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

Basic Circuit Troubleshooting

Worksheets - Telecom

Determine if the light bulb will de-energize for each of the following…

Diode Ratings

Textbook

In addition to forward voltage drop (Vf) and peak inverse voltage…

Larger 4-variable Karnaugh Maps

Textbook

Knowing how to generate Gray code should allow us to build larger…

Basic Ohmmeter Use

Worksheets - Telecom

Explain how an ohmmeter is able to measure the resistance of a…

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

Textbook

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

Clamper Circuits

Textbook

The circuits in the figure below are known as clampers or DC…

AC Lab - Sensing AC Magnetic Fields

Textbook

In this hands-on AC electronics experiment, you will sense AC magnetic fields using a simple wire coil and learn about AC signal coupling, orientation effects, and the impact of shielding using different materials.

JFET Amplifiers

Worksheets - Telecom

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

Positive Feedback

Textbook

As we’ve seen, negative feedback is an incredibly useful…

AC Inductor Circuits

Textbook

Resistors vs. Inductors Inductors do not behave the same way as…

Optoelectronic Devices

Worksheets - Telecom

In this circuit, the electric motor is supposed to turn on whenever…

DC Lab - Rheostat Range Limiting

Textbook

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.

Right Triangle Trigonometry

Textbook

  A right triangle is defined as having one angle precisely…

The “Buffer” Gate

Textbook

If we were to connect two inverter gates together so that the output…

Waveguide Calculator (Rectangular)

Tools

This tool calculates the cutoff frequency of a rectangular waveguide

DC Lab - Potato Battery

Textbook

In this hands-on electronics experiment, you will create a battery from a potato (yes! a potato) and learn about the relationship between chemical energy and electric energy.

An Analogy for Ohm’s Law

Textbook

Ohm’s Law also makes intuitive sense if you apply it to the…

Time-delay Relays

Textbook

What are Time-Delay Relays? Some relays are constructed with a kind of…

Three-phase Y and Delta Configurations

Textbook

Three-phase Wye(Y) Connection Initially, we explored the idea of…

The Common-source Amplifier (IGFET)

Textbook

Performance-Based Assessments for Basic Electricity Competencies

Worksheets - Telecom

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Ideal Diode Current and Voltage Calculator

Tools

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.

How to Calculate Power in a Series and Parallel Circuit

Textbook

When calculating the power dissipation of resistive components, we can…