Whenever there is a mismatch of impedance between transmission line…
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One of the more fascinating applications of electricity is in the…
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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
What does the acronym RF stand form, in reference to radio-related…
Worksheets - Modules
Aside from the issues of the physical network (signal types and…
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A modern method of electrical power control involves inserting a…
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Just as devices have been made to measure certain physical quantities…
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The wires between the tank and the monitoring location is called…
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Impedance Matching Because transformers can step voltage and current…
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With BogusBus, our signals were very simple and straightforward: each…
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In very simple, qualitative terms, rate the impedance of capacitors…
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Normally, the rotor windings of a wound rotor induction motor are…
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A waveguide is a special form of transmission line consisting of a…
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This is a schematic for a simple VCO: The oscillator is of the RC…
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Varicap or varactor diodes A variable capacitance diode is known as a…
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Pulse Width Modulation (PWM) uses digital signals to control power…
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(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
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Don’t just sit there! Build something!! Learning to analyze digital…
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What is a harmonic frequency? If an oscillator circuit outputs a…
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What is Attenuators? Attenuators are passive devices. It is…
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Define what noise means, in the electrical sense of the word. How does…
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What is Rectification? Now we come to the most popular application of…
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This tool is designed to calculate the maximum distance (range) that a radar can detect
Tools
The discovery of the relationship between magnetism and electricity…
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The wires between the tank and the monitoring location is called…
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Point-to-Point Connecting two digital devices with a network, would…
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The Bel is Used to Represent Gain In its simplest form, an…
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Introduction Whenever an electric voltage exists between two separated…
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This calculator calculates the free space loss, given the distance, frequency, and gain, between two antennas.
Tools
When lightning strikes, nearby magnetic compass needles may be seen to…
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Decibel as Absolute Unit of Power It is also possible to use the…
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When an electric current is passed through a coil of wire, what…
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Varicap or varactor diodes A variable capacitance diode is known as a…
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It is sometimes desirable to have circuits capable of selectively…
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Has the system ever worked before? If yes, has anything happened to…
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The Maximum Power Transfer Theorem is not so much a means of analysis…
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At the start of this book, we discussed static electricity and how it…
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Pulse Width Modulation (PWM) uses digital signals to control power…
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In the design of large and complex digital systems, it is often…
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In very simple, qualitative terms, rate the impedance of capacitors…
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Project Overview This project employs all of the skills…
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There are two basic Ohm’s Law equations: one relating voltage,…
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Although the prime intent of octal and hexadecimal numeration systems…
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In mathematics, an identity is a statement true for all possible…
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Introduction Whenever an electric voltage exists between two separated…
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If we take three equal resistors and connect one end of each to a…
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Both soldering irons and soldering guns are tools used in the process…
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Suppose we altered our basic open-collector inverter circuit, adding a…
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“With Electronics Workbench, you can create circuit schematics…
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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.
Tools
Contributors to this chapter are listed in chronological order of…
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Every meter impacts the circuit it is measuring to some extent, just…
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Given three of the four input parameters (refractive indices, angles of incidence, and refraction) this tool calculates the missing variable based on Snell's law.
Tools
In ladder logic symbolism, an electromechanical relay coil is shown as…
Worksheets - Modules
When first approaching a failed or otherwise misbehaving system, the…
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Synchronous motors load the power line with a leading power factor.…
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In this hands-on electronics experiment, you will connect batteries in series and learn the relationship between the individual battery voltages and the total series voltage.
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An electromechanical generator is a device capable of producing…
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Computers can be powerful tools if used properly, especially in the…
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Read the following quotation, and then research the term…
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