Maximum Power Transfer Theorem

The Maximum Power Transfer Theorem is not so much a means of analysis…

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Introduction to Digital Communication

In the design of large and complex digital systems, it is often…

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AC Instrumentation Transducers

Just as devices have been made to measure certain physical quantities…

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What Is the Skin Effect?

The Skin Depth of Copper in Electrical Engineering As previously…

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Digital Communication

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

Worksheets - Antennas

Friis Transmission Calculator

This calculator allows you to solve for any of the six variables in the Friis formula for RF transmission: transmitter power, transmitter gain, receiver power, receiver gain, frequency, or distance.

Tools

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.

Tools

Susceptance and Admittance

What is Conductance? In the study of DC circuits, the student of…

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Power Added Efficiency Calculator

A calculator designed to compute the power-added efficiency (PAE) of an amplifier

Tools

Microstrip Max Current Calculator

A calculator for solving the maximum current a microstrip can handle.

Tools

Characteristic Impedance

The Parallel Wires of Infinite Length Suppose, though, that we had a…

Textbook

Harmonics in Polyphase Power Systems

In the chapter on mixed-frequency signals, we explored the concept of…

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N-Way Power Divider Calculator

This calculator determines the total path loss provided by an RF n-way power splitter.

Tools

Electromagnetic Induction

While Oersted’s surprising discovery of electromagnetism paved…

Textbook

Bandpass Filter Calculator

This calculates values of the inductance, capacitance of an inductor and capacitor used in a Butterworth LC bandpass filter.

Tools

Radio Circuits

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

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Absolute dB scales

Decibel as Absolute Unit of Power It is also possible to use the…

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Design Project: Radio Transmitter

Research the FCC (Federal Communication Commission) guidelines on…

Worksheets - Antennas

Square Wave Signals

It has been found that any repeating, non-sinusoidal waveform can be…

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Review of R, X, and Z (Resistance, Reactance and Impedance)

Before we begin to explore the effects of resistors, inductors, and…

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Low-pass Filters

By definition, a low-pass filter is a circuit offering easy passage to…

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Electromagnetism

The discovery of the relationship between magnetism and electricity…

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Amplifier Gain

The Voltage Gain Because amplifiers have the ability to increase the…

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Rectifier Circuits

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

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Other Waveshapes

As strange as it may seem, any repeating, non-sinusoidal waveform is…

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Analog and Digital Signals

Instrumentation is a field of study and work centering on measurement…

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Biasing Techniques (IGFET)

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The R/2nR DAC: Binary-Weighted-Input Digital-to-Analog Converter

What Is a R/2nR DAC Circuit? The R/2nR DAC circuit, otherwise known as…

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Millman’s Theorem

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

Worksheets - Antennas

Kirchhoff’s Current Law (KCL)

What Is Kirchhoff’s Current Law? Kirchhoff’s Current Law,…

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Fuses

Normally, the ampacity rating of a conductor is a circuit design…

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Insulated Gate Bipolar Transistors

What is an Insulated Gate Bipolar Transistor (IGBT), and what…

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Band-stop Filters

How to Create a Band-stop Filter? Also called band-elimination,…

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Introduction to Solid-state Device Theory

This chapter will cover the physics behind the operation of…

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Design Project: Stepper Motor Driver

At first it may seem pointless to have the four buffer gates following…

Worksheets - Antennas

Vol I. Credits

All entries arranged in alphabetical order of surname. Major…

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Design Project: Signal Generator

Explain the principle of operation for the particular integrated…

Worksheets - Antennas

Tesla Polyphase Induction Motors

Most AC motors are induction motors. Induction motors are favored due…

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Design Project: Radio Transmitter

Research the FCC (Federal Communication Commission) guidelines on…

Worksheets - Antennas

555 Lab - Monostable Multivibrator (One-shot)

In this hands-on electronics experiment, you will build a monostable multivibrator using a 555 timer IC and learn about RC time constant charging and how a one-shot timer operates.

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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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Analog Lab - High-impedance Voltmeter

In this hands-on electronics experiment, you will build a high-impedance voltmeter and learn about circuit loading and how to use op amps to reduce loading effects.

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Thyristor Application Circuits

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

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Basic Voltmeter Use

What will this voltmeter register when connected to a battery as shown…

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Potentiometers

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

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Voltmeter Impact on Measured Circuit

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

Textbook