Categories

Digital Communication

Worksheets - Telecom

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

Passive Filter Circuits

Worksheets - Telecom

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

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…

Balanced Attenuator Calculator

Tools

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

Friis Transmission Calculator

Tools

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

Design Project: Telegraph System

Worksheets - Telecom

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

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.

EIRP Calculator

Tools

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

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.

AC Inductor Circuits

Textbook

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

Electrical Signal Types

Textbook

With BogusBus, our signals were very simple and straightforward: each…

Microprocessor Programming

Worksheets - Telecom

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

Capacitor Sizing Equation

Textbook

Capacitance Formula     Permittivity of Dielectric  …

Intermediate Electromagnetism and Electromagnetic Induction

Worksheets - Telecom

As an electric current is passed through a coil of wire, it creates a…

SPICE Quirks

Textbook

“Garbage in, garbage out.” —Anonymous SPICE is a…

Contributors (3)

Textbook

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

Design Project: Logic Probe

Worksheets - Telecom

What factors determine where potentiometers Rpot1 and Rpot2 must be…

Potential Pitfalls

Textbook

Fallacious reasoning and poor interpersonal relations account for more…

AC phase

Worksheets - Telecom

If we were to express the series-connected DC voltages as phasors…

Impedance Transformation

Textbook

Standing waves at the resonant frequency points of an open- or…

Radio Circuits

Textbook

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

CMOS 555 Long Duration Red LED Flasher

Textbook

PARTS AND MATERIALS Two AAA Batteries Battery Clip (Radio Shack…

Multiplexers

Textbook

A multiplexer, abbreviated mux, is a device that has multiple inputs…

Contact “Bounce”

Textbook

When a switch is actuated and contacts touch one another under the…

Emergency Response

Textbook

Despite lock-out/tag-out procedures and multiple repetitions of…

Commutating Diode

Textbook

PARTS AND MATERIALS 6 volt battery Power transformer, 120VAC step-down…

Electronics as Science

Textbook

Electronics is a science, and a very accessible science at that. With…

Junction field-effect transistors (JFET)

Worksheets - Telecom

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

Power Dissipation

Textbook

PARTS AND MATERIALS Calculator (or pencil and paper for doing…

Safety Grounding

Worksheets - Telecom

In simple AC power systems, one of the two conductors is typically…

DC Motor Theory

Worksheets - Telecom

If the ends of a wire loop are attached to two half-circular metal…

Microstrip Wavelength Calculator

Tools

A tool designed to calculate the guided wavelength inside a microstrip.

Karnaugh Maps, Truth Tables, and Boolean Expressions

Textbook

Who Developed the Karnaugh Map? Maurice Karnaugh, a…

Gas Discharge Tubes

Textbook

If you’ve ever witnessed a lightning storm, you’ve seen…

NAND Gate S-R Flip-Flop

Textbook

PARTS AND MATERIALS 4011 quad NAND gate (Radio Shack catalog #…

Oscilloscope Trigger Controls

Worksheets - Telecom

A very useful tool for observing rotating objects is a strobe light.…

Network Protocols

Textbook

Aside from the issues of the physical network (signal types and…

Insulated Gate Bipolar Transistors

Worksheets - Telecom

What is an Insulated Gate Bipolar Transistor (IGBT), and what…

Tachogenerators

Textbook

An electromechanical generator is a device capable of producing…

VSWR / Return Loss Calculator

Tools

A calculator designed to compute the VSWR, reflection coefficient, return loss and matching loss in a transmission line

Power Added Efficiency Calculator

Tools

A calculator designed to compute the power-added efficiency (PAE) of an amplifier

Calculating Electric Power

Textbook

Learn the Power Formula We’ve seen the formula for determining…

Some Examples with AC Circuits

Textbook

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

Introduction to Conductance and Conductors

Textbook

By now you should be well aware of the correlation between electrical…

Automotive Alternator

Textbook

Project Parts and Materials Automotive alternator (one required, but…

Electromagnetic Induction

Textbook

While Oersted’s surprising discovery of electromagnetism paved…

Logic Signal Voltage Levels

Textbook

Input Voltages for Logic Gates Logic gate circuits are designed to…

Performance-Based Assessments for Basic Electricity Competencies

Worksheets - Telecom

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RMS Voltage Calculator

Tools

This calculator calculates the RMS Voltage value from either the peak voltage, the peak-to-peak voltage, or the average voltage.