This is a schematic for a simple VCO: The oscillator is of the RC…
Worksheets - Software-Defined Radio
(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
Textbook
A modern method of electrical power control involves inserting a…
Worksheets - Software-Defined Radio
The Skin Depth of Copper in Electrical Engineering As previously…
Textbook
The Maximum Power Transfer Theorem is not so much a means of analysis…
Textbook
What does the acronym RF stand form, in reference to radio-related…
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In very simple, qualitative terms, rate the impedance of capacitors…
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What is a harmonic frequency? If an oscillator circuit outputs a…
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One of the more fascinating applications of electricity is in the…
Textbook
Varicap or varactor diodes A variable capacitance diode is known as a…
Textbook
Research the FCC (Federal Communication Commission) guidelines on…
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An ideal transistor would show 0% distortion in amplifying a signal.…
Textbook
Impedance Matching Because transformers can step voltage and current…
Textbook
In order to work with complex numbers without drawing vectors, we…
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A calculator for solving the capacitance, reactance, and admittance of a capacitor.
Tools
While Oersted’s surprising discovery of electromagnetism paved…
Textbook
The Skin Depth of Copper in Electrical Engineering As previously…
Textbook
A tool designed to calculate the power density of an antenna
Tools
A tool designed to calculate skin depth based on the conductive material being used and the frequency of the signal.
Tools
This tool is designed to convert power ratios to decibel
Tools
Centuries ago, it was discovered that certain types of mineral rock…
Textbook
This calculator computes the resonant frequency of a parallel inductor and capacitor "tank" circuit.
Tools
Has the system ever worked before? If yes, has anything happened to…
Textbook
Before we begin to explore the effects of resistors, inductors, and…
Textbook
In the design of large and complex digital systems, it is often…
Textbook
What is a harmonic frequency? If an oscillator circuit outputs a…
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So far, the filter designs we’ve concentrated on have employed…
Textbook
A high-pass filter’s task is just the opposite of a low-pass…
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It has been found that any repeating, non-sinusoidal waveform can be…
Textbook
Don’t just sit there! Build something!! Learning to analyze digital…
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The Q, or quality, factor of a resonant circuit is a measure of the…
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How to Create a Band-stop Filter? Also called band-elimination,…
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In the last section, we saw how the 3rd harmonic and all of its…
Textbook
In this hands-on semiconductor electronics experiment, use an LED as a light-sensitive photodetector and learn how to use a bipolar transistor in a common-emitter amplifier configuration.
Textbook
Let’s begin with a semiconductor gate circuit in need of…
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The node voltage method of DC network analysis solves for unknown…
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The logic simplification examples that we have done so far could have…
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All About Contactors When a relay is used to switch a large amount of…
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The Law of Sines (for any triangle) The Law of Cosines (for any…
Textbook
Solve this equation for the value of x: x + 5 = 8 How many exact…
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Given two lengths of metal wire, which one will have the least…
Worksheets - Software-Defined Radio
Sometimes it is necessary to determine the length of time that a…
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In this hands-on introduction to electronics, you will experiment with a multimeter and learn how to measure resistance using the ohmmeter function.
Textbook
If we were to express the series-connected DC voltages as phasors…
Worksheets - Software-Defined Radio
In this hands-on AC electronics experiment, build a 12 V alternating current (AC) power supply using a step-down transformer and learn about transformer operation and the purpose of tapped windings.
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There are many different types of power sources, and here some of the…
Textbook
In this hands-on AC electronics experiment, you will use an AC voltage source connected to speakers to learn about sound waves and the foundational principle used in noise cancelling headphones.
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This calculator determines the bias and feedback of resistors for an inverting op-amp.
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The basic application of Ohm’s law to combinations of series and…
Textbook
One of the more advanced ADC technologies is the so-called…
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In the beam power tube, the basic four-element structure of the…
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Behaviors of Inductors wrapped around a Conductive Core Suppose we…
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In this hands-on electronics experiment, you will perform a 4-wire Kelvin resistance measurement and learn how to accurately measure resistance.
Textbook
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