A 50-Ohm Cable?

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

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Textbook

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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Tools

Balanced Attenuator Calculator

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

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Tools

EIRP Calculator

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

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Tools

Digital Communication

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

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Worksheets - Optical Communication

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.

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Tools

Q Factor and Bandwidth of a Resonant Circuit

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

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Textbook

Antenna Downtilt and Coverage Calculator

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

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Tools

Passive Filter Circuits

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

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Worksheets - Optical Communication

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.

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Tools

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.

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Tools

Radar Maximum Range Calculator

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

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Tools

Design Project: Telegraph System

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

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Worksheets - Optical Communication

Design Project: Pulse-Width Modulation (PWM) Signal Generator

What shape of voltage waveform would you expect to measure (using an…

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Worksheets - Optical Communication

Absolute dB scales

Decibel as Absolute Unit of Power It is also possible to use the…

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Textbook

AC Resistor Circuits (Capacitive)

Pure resistive AC circuit: voltage and current are in phase.  …

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Textbook

DIP Gate Packaging

Digital logic gate circuits are manufactured as integrated circuits:…

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Textbook

Design Project: Arbitrary Waveform Generator

What, exactly, is an arbitrary waveform generator, and for what…

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Worksheets - Optical Communication

Branch Current Method Analysis

The most straightforward DC network analysis technique is the branch…

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Textbook

Review of R, X, and Z (Resistance, Reactance and Impedance)

Before we begin to explore the effects of resistors, inductors, and…

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Textbook

Passive Integrator and Differentiator Circuits

∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…

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Worksheets - Optical Communication

Capacitors and Calculus

Capacitors do not have a stable “resistance” as conductors…

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Textbook

Questions relating to project management

NAME:…

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Worksheets - Optical Communication

Oscillator Circuits

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

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Worksheets - Optical Communication

Servo Motor Systems

Explain the operation of this “H-bridge” motor control circuit: At…

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Worksheets - Optical Communication

Encoder

What is an Encoder? An encoder is a circuit that changes a set of…

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Textbook

Introduction to Combinational Logic Functions

The term “combinational” comes to us from mathematics. In…

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Textbook

Semiconductor Manufacturing Techniques

The manufacture of only silicon based semiconductors is described…

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Textbook

Battery Ratings

Because batteries create current flow in a circuit by exchanging…

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Textbook

Analog Lab - Non-inverting Amplifier

In this hands-on electronics experiment, you will build a programmable non-inverting amplifier and learn how to use the negative feedback of an operational amplifier to control the gain.

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Textbook

Electrons and “holes’’

Pure semiconductors are relatively good insulators as compared with…

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Textbook

Network Topology

Point-to-Point Connecting two digital devices with a network, would…

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Textbook

Algebraic Equation Manipulation for Electric Circuits

The electrical resistance of a conductor at any temperature may be…

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Worksheets - Optical Communication