It is sometimes said regarding electrical safety that, Ït’s not the…
Worksheets - Wireless/RF
Research the FCC (Federal Communication Commission) guidelines on…
Worksheets - Wireless/RF
Normally, the rotor windings of a wound rotor induction motor are…
Textbook
Whenever electrons flow through a conductor, a magnetic field will…
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One of the more fascinating applications of electricity is in the…
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A modern alternative to sending (binary) digital information via…
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What is Rectification? Now we come to the most popular application of…
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The basic application of Ohm’s law to combinations of series and…
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Varicap or varactor diodes A variable capacitance diode is known as a…
Textbook
The Parallel Wires of Infinite Length Suppose, though, that we had a…
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The Q, or quality, factor of a resonant circuit is a measure of the…
Textbook
This calculator helps you determine the values of the resistors R1 and R2 to be used for a Pi Attenuator.
Tools
This calculator will convert voltage or power gains into decibels. Enter one of the three values and the calculator will output the other two.
Tools
In our study of AC circuits thus far, we’ve explored circuits…
Textbook
This calculator will determine the correct antenna downtilt angle given the heights of the antennas and distance between them.
Tools
It has been found that any repeating, non-sinusoidal waveform can be…
Textbook
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
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
A tool designed to calculate skin depth based on the conductive material being used and the frequency of the signal.
Tools
Decibel as Absolute Unit of Power It is also possible to use the…
Textbook
In this hands-on AC electronics experiment, build a parallel resonant inductor-capacitor circuit and learn about oscillation, resonant frequency, and damping.
Textbook
In this circuit, the electric motor is supposed to turn on whenever…
Worksheets - Wireless/RF
The jobs of electronics engineers and technicians frequently entail…
Textbook
Don’t just sit there! Build something!! Learning to analyze digital…
Worksheets - Wireless/RF
In the last section, we learned what would happen in simple…
Textbook
In simple AC power systems, one of the two conductors is typically…
Worksheets - Wireless/RF
Shockley Diodes and Silicon Controlled Rectifiers (SCRs) Shockley…
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The Insulated-Gate Field-Effect Transistor (IGFET), also known as…
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A very useful tool for observing rotating objects is a strobe light.…
Worksheets - Wireless/RF
A common phrase heard in reference to electrical safety goes something…
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What is Attenuators? Attenuators are passive devices. It is…
Textbook
Label where each of the following electrical quantities would be found…
Worksheets - Wireless/RF
There’s a sure way to calculate any of the values in a reactive…
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What would happen to this meter movement, if connected directly to a…
Worksheets - Wireless/RF
What is an Encoder? An encoder is a circuit that changes a set of…
Textbook
Since complex numbers are legitimate mathematical entities, just like…
Textbook
Certain substances are known to physically deform (shorten or…
Worksheets - Wireless/RF
Inductors, like all electrical components, have limitations which must…
Textbook
At first it may seem pointless to have the four buffer gates following…
Worksheets - Wireless/RF
Don’t just sit there! Build something!! Learning to analyze digital…
Worksheets - Wireless/RF
In this series of hands-on electronics experiments, build analog circuits, including amplifiers, comparators, oscillators, and more. Following the step-by-step instructions will help you understand and appreciate analog systems.
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“Garbage in, garbage out.” —Anonymous SPICE…
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In this hands-on electronics experiment, build a blue LED flasher using a 555 timer and learn the basic theory of a voltage doubler using a transistor switch and a capacitor.
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In this hands-on semiconductor electronics experiment, construct a three-stage common-emitter amplifier using bipolar junction transistors (BJTs) and learn about multi-stage gain and feedback.
Textbook
In this hands-on electronics experiment, you will learn about electromagnetic induction using an electromagnet and a permanent magnet.
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Contributors to this chapter are listed in chronological order of…
Textbook
Fundamentally, an amplifier is a device that takes in a low-power…
Worksheets - Wireless/RF
Differential Op-Amp Circuits An op-amp with no feedback is already a…
Textbook
So far, we’ve only been able to escape the sheer volume of…
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In this hands-on electronics experiment, build a multiple LED flasher and learn how to use inductive flyback to generate a voltage pulse that is greater than the supply voltage.
Textbook
With simple gate and combinational logic circuits, there is a definite…
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What would happen to this meter movement, if connected directly to a…
Worksheets - Wireless/RF
Mathematical rules are based on the defining limits we place on the…
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Has the system ever worked before? If yes, has anything happened to…
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In this hands-on electronics experiment, you will control a light with a switch and learn the basics of connecting toggle (on/off) switches into circuits.
Textbook
“All men are liable to error;” —John Locke Whereas…
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Suppose we altered our basic open-collector inverter circuit, adding a…
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Superconducting devices, though not widely used, have some unique…
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Contributors to this chapter are listed in chronological order of…
Textbook
Note that the direction of the arrow at the gate indicates the…
Textbook
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