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Design Project: Radio Transmitter

Worksheets - Navigation

Research the FCC (Federal Communication Commission) guidelines on…

Principles of Radio

Textbook

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

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…

Free Space Path Loss Calculator

Tools

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

Quantum Physics

Textbook

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

High-Reliability Circuits

Worksheets - Navigation

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

Special-purpose Diodes

Textbook

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

Fundamentals of Radio Communication

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

Ohm’s Law

Textbook

PARTS AND MATERIALS Calculator (or pencil and paper for doing…

Series Resistor-Inductor Circuits

Textbook

In the previous section, we explored what would happen in simple…

Oscillator Circuits

Worksheets - Navigation

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

Optothyristors

Textbook

Like bipolar transistors, SCRs and TRIACs are also manufactured as…

What is a Meter?

Textbook

A meter is any device built to accurately detect and display an…

Audio Oscillator

Textbook

PARTS AND MATERIALS Two 6-volt batteries Three NPN…

History of SPICE

Textbook

SPICE is a computer program designed to simulate analog electronic…

Series Resistor-Capacitor Circuits

Textbook

In the last section, we learned what would happen in simple…

Balanced Attenuator Calculator

Tools

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

Current Divider Circuits and the Current Divider Formula

Textbook

A parallel circuit is often called a current divider for its ability…

Practical considerations - Digital Communication

Textbook

A principal consideration for industrial control networks, where the…

Permeability and Saturation

Textbook

The nonlinearity of material permeability may be graphed for better…

Series-Parallel Combination AC Circuits

Worksheets - Navigation

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

Gate Universality

Textbook

NAND and NOR gates possess a special property: they are universal.…

Sensing AC Electric Fields

Textbook

PARTS AND MATERIALS Audio detector with headphones  …

PN Junctions

Worksheets - Navigation

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

555 Schmitt Trigger

Textbook

PARTS AND MATERIALS One 9V Battery Battery Clip (Radio Shack catalog #…

Calculus for Electric Circuits

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∫f(x) dx Calculus alert! Calculus is a branch of mathematics that…

4-wire Resistance Measurement

Textbook

PARTS AND MATERIALS 6-volt battery Electromagnet made from experiment…

NAND Gate S-R Flip-Flop

Textbook

PARTS AND MATERIALS 4011 quad NAND gate (Radio Shack catalog #…