(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
Textbook
Varicap or varactor diodes A variable capacitance diode is known as a…
Textbook
This is a schematic for a simple VCO: The oscillator is of the RC…
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The Maximum Power Transfer Theorem is not so much a means of analysis…
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The Skin Depth of Copper in Electrical Engineering As previously…
Textbook
Impedance Matching Because transformers can step voltage and current…
Textbook
In very simple, qualitative terms, rate the impedance of capacitors…
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Research the FCC (Federal Communication Commission) guidelines on…
Worksheets - Software-Defined Radio
What does the acronym RF stand form, in reference to radio-related…
Worksheets - Software-Defined Radio
An ideal transistor would show 0% distortion in amplifying a signal.…
Textbook
What is a harmonic frequency? If an oscillator circuit outputs a…
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A modern method of electrical power control involves inserting a…
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One of the more fascinating applications of electricity is in the…
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This calculator computes the resonant frequency of a parallel inductor and capacitor "tank" circuit.
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Normally, the rotor windings of a wound rotor induction motor are…
Textbook
A modern method of electrical power control involves inserting a…
Worksheets - Software-Defined Radio
(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
Textbook
The Parallel Wires of Infinite Length Suppose, though, that we had a…
Textbook
A calculator for solving the maximum current a microstrip can handle.
Tools
The wires between the tank and the monitoring location is called…
Textbook
Centuries ago, it was discovered that certain types of mineral rock…
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As strange as it may seem, any repeating, non-sinusoidal waveform is…
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Real operational amplifiers have some imperfections compared to an…
Textbook
By definition, a low-pass filter is a circuit offering easy passage to…
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Quantum physics describes the states of electrons in an atom according…
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Since three-phase is used so often for power distribution systems, it…
Textbook
This tool is designed to calculate the value of resistance R1 in a reflection attenuator.
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When lightning strikes, nearby magnetic compass needles may be seen to…
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With BogusBus, our signals were very simple and straightforward: each…
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A principal consideration for industrial control networks, where the…
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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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Has the system ever worked before? If yes, has anything happened to…
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Define what noise means, in the electrical sense of the word. How does…
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This tool is designed to calculate the maximum distance (range) that a radar can detect
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In electric circuits, the three basic quantities are voltage (E or V),…
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In this series of hands-on electronics experiments, you will build direct current (DC) circuits and learn fundamental electrical engineering circuit concepts.
Textbook
So far in our discussions on electricity and electric circuits, we…
Textbook
In an astable circuit, the output voltage alternates between VCC and 0 volts on a continuous basis. This calculator will help you design an oscillator using a 555 timer IC.
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Seeing as how a common meter movement can be made to function as a…
Textbook
This calculator helps you compute the characteristic impedance of an asymmetric stripline
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Incomplete
Textbook
After the introduction of the DC electrical distribution system by…
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All entries arranged in alphabetical order of surname. Major…
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This calculator shows the peak-to-peak voltage (VP-P) value from the peak voltage, RMS voltage, or average voltage.
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A common topology for DC-AC power converter circuits uses a pair of…
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Because octal and hexadecimal numeration systems have bases that are…
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When capacitors are connected in series, the total capacitance is…
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The singular reason for learning and using the binary numeration…
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Centuries ago, it was discovered that certain types of mineral rock…
Textbook
To build the DIY electronics projects described in this textbook, you will need a small work area, a few tools, and some basic electronics supplies. This page describes the setup of a low-cost home electronics laboratory.
Textbook
If I needed to describe the distance between two cities, I could…
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The SPICE circuit simulation computer program uses scientific notation…
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We’ve already seen one example of a monostable multivibrator in…
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