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Design Project: Telegraph System

Worksheets - Optical Communication

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

Passive Filter Circuits

Worksheets - Optical Communication

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

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.

Q Factor and Bandwidth of a Resonant Circuit

Textbook

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

Friis Transmission Calculator

Tools

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

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.

Digital Communication

Worksheets - Optical Communication

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

EIRP Calculator

Tools

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

Radar Maximum Range Calculator

Tools

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

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.

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.

Edge Coupled Stripline Impedance Calculator

Tools

A calculator for computing the impedance of an edge coupled stripline.

Symmetric Stripline Impedance Calculator

Tools

This calculator helps you compute the characteristic impedance of a symmetric stripline.

Resistors

Worksheets - Optical Communication

Shown here is the schematic symbol for a resistor: What is the purpose…

Binary Overflow

Textbook

One caveat with signed binary numbers is that of overflow, where the…

Design Project: Audio Power Amplifier

Worksheets - Optical Communication

Explain how the microphone in your amplifier works. How, exactly, does…

Phasing

Textbook

Since transformers are essentially AC devices, we need to be aware of…

Quantum Physics

Textbook

“I think it is safe to say that no one understands quantum…

Voltage Divider Calculator

Tools

The voltage divider is a circuit used to create a voltage less than or equal to the input voltage.

Microstrip Impedance Calculator

Tools

This calculator helps you compute the characteristic impedance of a microstrip.

Principles of Radio

Textbook

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

Simple Parallel Circuits

Textbook

On this page, we’ll outline the three principles you should…

Noise Figure Calculator

Tools

A tool designed to calculate the noise figure of cascaded amplifiers

Basic Voltmeter Use

Worksheets - Optical Communication

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

7-segment Display

Textbook

PARTS AND MATERIALS 4511 BCD-to-7seg latch/decoder/driver (Radio…

Factorials

Textbook

Definition of a Factorial Denoted by the symbol “!” after…

Modern Nonmechanical Memory

Textbook

Now we can proceed to studying specific types of digital storage…

Kirchhoff’s Current Law (KCL)

Textbook

What Is Kirchhoff’s Current Law? Kirchhoff’s Current Law,…

Parallel Circuit Rules

Textbook

Voltage Components in a parallel circuit share the same voltage:…

Capacitor Transient Response

Textbook

Because capacitors store energy in the form of an electric field, they…

A Binary Adder

Textbook

Suppose we wanted to build a device that could add two binary bits…