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Free Space Path Loss Calculator

Tools

This calculator calculates the free space loss, given the distance, frequency, and gain, between two antennas.

Fundamentals of Radio Communication

Worksheets - Communication

What does the acronym RF stand form, in reference to radio-related…

Special-purpose Diodes

Textbook

Schottky diodes Schottky diodes are constructed of a metal-to-N…

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.

Radio Circuits

Textbook

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

Principles of Radio

Textbook

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

High-Reliability Circuits

Worksheets - Communication

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

Quantum Physics

Textbook

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

Design Project: Radio Transmitter

Worksheets - Communication

Research the FCC (Federal Communication Commission) guidelines on…

Coefficients of Specific Resistance

Textbook

Specific resistance at 20o C:  Material Element/Alloy ohm-cmil/ft…

Vol VI. Credits

Textbook

All entries arranged in alphabetical order of surname. Major…

Analysis Options

Textbook

AC ANALYSIS: General form: .ac [curve] [points] [start] [final]…

Light-Pulse Switch

Worksheets - Communication

It is fairly important to use large value resistors (10 MΩ works…

Delta and Wye 3-Phase Circuits

Worksheets - Communication

Label where each of the following electrical quantities would be found…

Four-Channel Audio Mixer

Worksheets - Communication

A very common misconception students have about potentiometers is the…

DC Bridge Circuits

Worksheets - Communication

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

Inductor Quirks

Textbook

In an ideal case, an inductor acts as a purely reactive device. That…

Safe Circuit Design

Textbook

As we saw earlier, a power system with no secure connection to earth…

Simple Vector Addition

Textbook

Remember that vectors are mathematical objects just like numbers on a…

Numbers and Symbols

Textbook

The expression of numerical quantities is something we tend to take…

CMOS 555 Long Duration Blue LED Flasher

Textbook

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

Capacitors

Worksheets - Communication

Identify some of the different types of capacitors, and their…

Measurement Circuits

Textbook

Figure below shows a photodiode amplifier for measuring low levels of…

TTL Logic Gates

Worksheets - Communication

Counting practice: count from zero to thirty-one in binary, octal, and…

The D Latch

Textbook

Since the enable input on a gated S-R latch provides a way to latch…

Finite-state Machine

Textbook

Feedback is a fascinating engineering principle. It can turn a rather…

Algebraic Equation Manipulation for Electric Circuits

Worksheets - Communication

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

Pulse Width Modulation

Textbook

Pulse Width Modulation (PWM) uses digital signals to control power…

Digital Display Circuits

Worksheets - Communication

What is the purpose of a seven-segment decoder circuit? What is a…