What is a harmonic frequency? If an oscillator circuit outputs a…
Worksheets - Wireless/RF
An important electrical quantity with no equivalent in DC circuits is…
Textbook
This is a schematic for a simple VCO: The oscillator is of the RC…
Worksheets - Wireless/RF
Standing waves at the resonant frequency points of an open- or…
Textbook
The Q, or quality, factor of a resonant circuit is a measure of the…
Textbook
A modern method of electrical power control involves inserting a…
Worksheets - Wireless/RF
A calculator designed to compute the VSWR, reflection coefficient, return loss and matching loss in a transmission line
Tools
The basic application of Ohm’s law to combinations of series and…
Textbook
Just as devices have been made to measure certain physical quantities…
Textbook
When an alternator produces AC voltage, the voltage switches polarity…
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In order to work with complex numbers without drawing vectors, we…
Textbook
In the chapter on mixed-frequency signals, we explored the concept of…
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An ideal transistor would show 0% distortion in amplifying a signal.…
Textbook
How to Create Band-pass Filter There are applications where a…
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There’s a sure way to calculate any of the values in a reactive…
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A transmission line of infinite length is an interesting abstraction,…
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Whenever there is a mismatch of impedance between transmission line…
Textbook
In our study of AC circuits thus far, we’ve explored circuits…
Textbook
Research the FCC (Federal Communication Commission) guidelines on…
Worksheets - Wireless/RF
The Voltage Gain Because amplifiers have the ability to increase the…
Textbook
In this hands-on electronics experiment, you will connect batteries in parallel to power a light and learn the relationship between the individual battery currents and the total system current.
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Write an equation describing the precise mathematical relationship…
Worksheets - Wireless/RF
Up to now, every circuit that was presented was a combinatorial…
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There are not too many circuit symbols for bipolar transistors. There…
Textbook
Introduction Whenever an electric voltage exists between two separated…
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Mathematicians use Venn diagrams to show the logical relationships of…
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This calculator is designed to compute for the parameters needed to design a L-Match Impedance Circuit
Tools
Associative Property In addition and multiplication, terms may be…
Textbook
A special type of relay is one that monitors the current, voltage,…
Textbook
Contributors to this chapter are listed in chronological order of…
Textbook
This calculator helps you determine the values of the resistors R1 and R2 to be used for a T-pad attenuator.
Tools
These are the most common types of resistors available. Resistors…
Textbook
When inductors are connected in series, the total inductance is the…
Textbook
In the previous section, we explored what would happen in simple…
Textbook
A permanent magnet is a device that retains a magnetic field without…
Worksheets - Wireless/RF
The interlock contacts installed in the previous section’s motor…
Textbook
In this hands-on electronics experiment, you will construct a voltage detector with adjustable sensitivity and audio output, and you will learn a method for detecting small electrical signals without an oscilloscope.
Textbook
A calculator for computing the impedance of an edge coupled stripline.
Tools
This calculator will determine the square root, cube root, or nth root of a given number, x.
Tools
Thyristors are a broad classification of bipolar-conducting…
Textbook
Counting practice: count from zero to thirty-one in binary, octal, and…
Worksheets - Wireless/RF
An ideal transistor would show 0% distortion in amplifying a signal.…
Textbook
A similar effect happens in series inductive/capacitive circuits. When…
Textbook
NAND and NOR gates possess a special property: they are universal.…
Textbook
The time constant of a series RC circuit is the product of the resistance and capacitance. Given two of the three values—resistance, capacitance, or RC time constant—this tool will calculate the missing third variable.
Tools
In the last section, we learned what would happen in simple…
Textbook
Worksheets - Wireless/RF
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Wireless/RF
In this hands-on AC electronics experiment, build a simple AC permanent capacitor split-phase induction motor and learn the principles of AC induction motor function.
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.
Tools
Contributors to this chapter are listed in chronological order of…
Textbook
Seeing as how a common meter movement can be made to function as a…
Textbook
The half-adder is extremely useful until you want to add more than one…
Textbook
This balanced attenuator calculator helps you determine the resistor (R1) values for a balanced attenuator.
Tools
Mathematical rules are based on the defining limits we place on the…
Textbook
“Garbage in, garbage out.” —Anonymous SPICE…
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All entries arranged in alphabetical order of surname. Major…
Textbook
To learn about electronics, you must eventually engage in hands-on experimentation. Knowledge gleaned from books alone has limited use in scientific endeavors. Troubleshooting a circuit can be as important as the knowledge gained from a properly functioning experiment.
Textbook
Also called the parallel A/D converter, this circuit is the simplest…
Textbook
There are many different types of power sources, and here some of the…
Textbook
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