Impedance Matching Because transformers can step voltage and current…
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Research the FCC (Federal Communication Commission) guidelines on…
Worksheets - Software-Defined Radio
What is a harmonic frequency? If an oscillator circuit outputs a…
Worksheets - Software-Defined Radio
What does the acronym RF stand form, in reference to radio-related…
Worksheets - Software-Defined Radio
(a) Crystal radio. (b) Modulated RF at antenna. (c) Rectified RF at…
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Varicap or varactor diodes A variable capacitance diode is known as a…
Textbook
A modern method of electrical power control involves inserting a…
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This is a schematic for a simple VCO: The oscillator is of the RC…
Worksheets - Software-Defined Radio
One of the more fascinating applications of electricity is in the…
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The Maximum Power Transfer Theorem is not so much a means of analysis…
Textbook
An ideal transistor would show 0% distortion in amplifying a signal.…
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The Skin Depth of Copper in Electrical Engineering As previously…
Textbook
In very simple, qualitative terms, rate the impedance of capacitors…
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Whenever electrons flow through a conductor, a magnetic field will…
Textbook
This calculator computes the inductance of a microstrip etched on a PCB.
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A calculator for computing the inductance of a coaxial cable.
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As strange as it may seem, any repeating, non-sinusoidal waveform is…
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This calculator helps you determine the values of the resistors R1 and R2 to be used for a Pi Attenuator.
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By definition, a low-pass filter is a circuit offering easy passage to…
Textbook
Introduction Whenever an electric voltage exists between two separated…
Textbook
This balanced attenuator calculator helps you determine the resistor (R1) values for a balanced attenuator.
Tools
This calculator computes the resonant frequency of a parallel inductor and capacitor "tank" circuit.
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This tool is designed to calculate the maximum distance (range) that a radar can detect
Tools
In the last section, we saw how the 3rd harmonic and all of its…
Textbook
This calculator calculates the free space loss, given the distance, frequency, and gain, between two antennas.
Tools
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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Point-to-Point Connecting two digital devices with a network, would…
Textbook
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.
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Define what noise means, in the electrical sense of the word. How does…
Worksheets - Software-Defined Radio
It has been found that any repeating, non-sinusoidal waveform can be…
Textbook
A calculator for solving the maximum current a microstrip can handle.
Tools
The discovery of the relationship between magnetism and electricity…
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This calculator determines the total path loss provided by an RF n-way power splitter.
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Though mechanical ohmmeter (resistance meter) designs are rarely used…
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A calculator for solving the maximum current a microstrip can handle.
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What does it mean, in general terms, to encode something? Conversely,…
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So far in our discussions on electricity and electric circuits, we…
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Contributors to this chapter are listed in chronological order of…
Textbook
What is the difference between a JMP (“jump”) instruction and a…
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Because octal and hexadecimal numeration systems have bases that are…
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In this hands-on electronics experiment, you will use a potentiometer as a variable resistor to control the speed of a motor and learn how to connect a potentiometer as a rheostat.
Textbook
The Inductance Formula Wheeler’s formulas for…
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Design a passive circuit that will create a "split” ( V/-V) power…
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AC Motors Perhaps the most important benefit of polyphase AC power…
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In this hands-on semiconductor electronics experiment, build a full-wave bridge rectifier using silicon diodes and learn some of this circuit's advantages and disadvantages.
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Definition of a Factorial Denoted by the symbol “!” after…
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A microcontroller is a specialized type of digital computer used to…
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The interlock contacts installed in the previous section’s motor…
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In this hands-on electronics experiment, you will use series and parallel resistor networks to precisely adjust the range and zero point of a rheostat.
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Mutual inductors are inductors that capitalize the effect of mutual…
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When lightning strikes, nearby magnetic compass needles may be seen to…
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An important electrical quantity with no equivalent in DC circuits is…
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Testing a JFET with a multimeter might seem to be a relatively easy…
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