Design Project: Radio Transmitter

Research the FCC (Federal Communication Commission) guidelines on…

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Worksheets - Communication

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

Quantum Physics

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

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Textbook

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

Special-purpose Diodes

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

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Textbook

Principles of Radio

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

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Textbook

High-Reliability Circuits

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

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Worksheets - Communication

Fundamentals of Radio Communication

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

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Worksheets - Communication

Boolean Algebraic Properties

Another type of mathematical identity, called a “property”…

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Textbook

Time-delay Relays

What are Time-Delay Relays? Some relays are constructed with a kind of…

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Textbook

Balanced Attenuator Calculator

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

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Tools

Meter Check of a Transistor (BJT)

Bipolar transistors are constructed of a three-layer semiconductor…

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Textbook

An Analogy for Ohm’s Law

Ohm’s Law also makes intuitive sense if you apply it to the…

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Textbook

Basic AC-DC Power Supplies

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

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Worksheets - Communication

Introduction to Network Theorems for Circuit Analysis

Anyone who’s studied geometry should be familiar with the…

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Textbook

Si Lab - Commutating Diode

In this hands-on semiconductor electronics experiment, build a simple circuit that will teach you how to use a commutating diode to reduce inductive kickback.

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Textbook

Introduction to AC Motors

After the introduction of the DC electrical distribution system by…

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Textbook

Design Project: Audio Media-Based Signal Generator

Identify some different ways you can create the sine-wave audio tracks…

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Worksheets - Communication

Basic Operational Amplifiers

Determine the output voltage polarity of this op-amp (with reference…

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Worksheets - Communication

Conductor Ampacity

The smaller the cross-sectional area of any given wire, the greater…

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Textbook

Semiconductor Manufacturing Techniques

The manufacture of only silicon based semiconductors is described…

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Textbook

Voltmeter Impact on Measured Circuit

Every meter impacts the circuit it is measuring to some extent, just…

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Textbook

The S-R Latch

A bistable multivibrator has two stable states, as indicated by the…

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Textbook

Class C BJT Amplifiers

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

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Worksheets - Communication

Diode Ratings

In addition to forward voltage drop (Vf) and peak inverse voltage…

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Textbook

LC Resonant Frequency Calculator

A circuit with an inductor (L) and capacitor (C) connected in parallel or series will have a resonant frequency at which their impedances are equal. Given two of the three values—inductance, capacitance, or resonant frequency—this tool will calculate the missing third variable.

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Tools

Passive Integrator and Differentiator Circuits

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

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Worksheets - Communication

Coil Inductance Calculator

This calculator computes the inductance of a wire coil.

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Tools