Free Space Path Loss Calculator

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

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Tools

Radio Circuits

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

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Textbook

Special-purpose Diodes

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

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Textbook

Design Project: Radio Transmitter

Research the FCC (Federal Communication Commission) guidelines on…

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Worksheets - Avionics

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

Quantum Physics

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

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Textbook

Principles of Radio

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

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Textbook

Fundamentals of Radio Communication

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

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Worksheets - Avionics

High-Reliability Circuits

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

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Worksheets - Avionics

Rectifier Circuits

What is Rectification? Now we come to the most popular application of…

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Textbook

Parallel R, L, and C

We can take the same components from the series circuit and rearrange…

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Textbook

Junction field-effect transistors (JFET)

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

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Worksheets - Avionics

Design Project: Dual-output AC-DC Power Supply

Safety is very important when designing and/or building a device…

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Worksheets - Avionics

Contributors (9)

Contributors to this chapter are listed in chronological order of…

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Textbook

Digital Logic Signals

A rheostat (variable resistor) and a switch are both examples of…

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Worksheets - Avionics

The R/2R DAC (Digital-to-Analog Converter)

The R/2R DAC circuit is an alternative to the binary-weighted-input…

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Textbook

Shift Registers: Serial-in, Parallel-out (SIPO) Conversion

A serial-in, parallel-out shift register is similar to the serial-in,…

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Textbook

Junction Field-effect Transistors

The field effect transistor was proposed by Julius Lilienfeld in US…

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Textbook

Basic Electromagnetic Relays

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

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Worksheets - Avionics

Amplifier Circuits

Note, Q3 and Q4 in the figure below are complementary, NPN and PNP…

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Textbook

Inverting Op-Amp Resistor Calculator

This calculator determines the bias and feedback of resistors for an inverting op-amp.

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Tools

Decoder

A decoder is a circuit that changes a code into a set of signals. It…

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Textbook

Battery Life Calculator

This calculator provides three options—basic, intermediate, and advanced—for determining expected battery life for microcontroller, Internet of Things (IoT), and edge processing systems with up to four different operating modes.

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Tools

Vol I. Credits

All entries arranged in alphabetical order of surname. Major…

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Textbook

Counters

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

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Worksheets - Avionics

Time Constant Circuits

Generally speaking, how many “time constants” worth of time does…

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Worksheets - Avionics

Design Project: AC-DC Power Supply

Safety is very important when designing and/or building a device…

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Worksheets - Avionics

Ohm’s Law (again!)

A common phrase heard in reference to electrical safety goes something…

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Textbook

Inverting and Noninverting OpAmp Voltage Amplifier Circuits

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

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Worksheets - Avionics