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Fundamentals of Radio Communication

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

High-Reliability Circuits

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

Link Budget Calculator

Tools

This tool is designed to calculate the power at the receiver using link budget analysis.

Special-purpose Diodes

Textbook

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

Quantum Physics

Textbook

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

Principles of Radio

Textbook

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

Radio Circuits

Textbook

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

Free Space Path Loss Calculator

Tools

This calculator computes for the free space path loss between transmit and receive antennas.

Design Project: Radio Transmitter

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Research the FCC (Federal Communication Commission) guidelines on…

Specific Resistance

Textbook

Designing Wire Resistance Conductor ampacity rating is a crude…

Why L/R and not LR?

Textbook

Learn About L/R Time Constants It is often perplexing to new students…

Tube Parameters

Textbook

For bipolar junction transistors, the fundamental measure of…

Basic Ohmmeter Use

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Explain how an ohmmeter is able to measure the resistance of a…

Historical, Nonmechanical Memory Technologies

Textbook

Perhaps the most ingenious technique was that of the delay line. A…

CMOS 555 Long Duration Red LED Flasher

Textbook

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

Feedback

Textbook

If some percentage of an amplifier’s output signal is connected…

Meter Check of a Diode

Textbook

The Functionality of Diode Polarity Being able to determine the…

Flip-Flop Circuits

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

Active-mode Operation (JFET)

Textbook

JFETs, like bipolar transistors, are able to “throttle”…

Coefficients of Specific Resistance

Textbook

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

Wire Self Inductance Calculator

Tools

This calculator will help compute the inductance of a length of wire.

Clipper and Clamper Circuits

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

Voltage Comparator

Textbook

Parts and Materials Operational amplifier, model 1458 or 353…

Radar Maximum Range Calculator

Tools

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

3-bit Binary Counter

Textbook

PARTS AND MATERIALS 555 timer IC (Radio Shack catalog # 276-1723) One…

Heat Sink Calculator

Tools

This calculator helps determine the maximum temperature a device can withstand

555 Audio Oscillator

Textbook

PARTS AND MATERIALS Two 6 volt batteries One capacitor, 0.1 µF,…

Microprocessor Programming

Textbook

The “vocabulary” of instructions which any particular…

Active Loads in Amplifier Circuits

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We know that the current in a series circuit may be calculated with…