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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.

Radar Maximum Range Calculator

Tools

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

A 50-Ohm Cable?

Textbook

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

EIRP Calculator

Tools

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

Q Factor and Bandwidth of a Resonant Circuit

Textbook

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

Passive Filter Circuits

Worksheets - Optical Communication

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

Balanced Attenuator Calculator

Tools

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

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.

Design Project: Telegraph System

Worksheets - Optical Communication

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

Friis Transmission Calculator

Tools

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

Digital Communication

Worksheets - Optical Communication

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

Specific Resistance

Textbook

Designing Wire Resistance Conductor ampacity rating is a crude…

Microprocessors

Textbook

Early computer science pioneers such as Alan Turing and John Von…

Voltage Divider Calculator

Tools

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

Regulated Power Sources

Worksheets - Optical Communication

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

Current Mirror BJTs

Textbook

Bipolar Junction Transistor or BJT Current Mirror An often-used…

Half-wave Rectifier

Textbook

PARTS AND MATERIALS Low-voltage AC power supply (6-volt output) 6-volt…

Vectors and AC Waveforms

Textbook

OK, so how exactly can we represent AC quantities of voltage or…

Thermoelectricity

Textbook

PARTS AND MATERIALS Length of bare (uninsulated) copper wire Length of…

Edge Coupled Stripline Impedance Calculator

Tools

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

Bit Grouping

Textbook

The singular reason for learning and using the binary numeration…

Class C BJT Amplifiers

Worksheets - Optical Communication

A common class of operation used in radio-frequency (RF) amplifier…

Trigonometric Equivalencies

Textbook

Permissive and Interlock Circuits

Textbook

A practical application of switch and relay logic is in control…

555 Timer Monostable Circuit Calculator

Tools

This calculator computes for the output pulse width of a 555 timer monostable circuit

Logarithms for Analog Circuits

Worksheets - Optical Communication

The concept of a mathematical power is familiar to most students of…

The Unijunction Transistor (UJT)

Textbook

Unijunction transistor: Although a unijunction transistor is not a…

Ohmmeter Usage

Textbook

Parts and Materials Multimeter, digital or analog Assorted resistors…

Parallel Circuit Rules

Textbook

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

Sensing AC Electric Fields

Textbook

PARTS AND MATERIALS Audio detector with headphones  …

Switches

Worksheets - Optical Communication

What is the purpose of the switch shown in this schematic diagram?