Just as devices have been made to measure certain physical quantities…
Textbook
A modern alternative to sending (binary) digital information via…
Textbook
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 the design of large and complex digital systems, it is often…
Textbook
Normally, the rotor windings of a wound rotor induction motor are…
Textbook
This calculator will determine the correct antenna downtilt angle given the heights of the antennas and distance between them.
Tools
This tool is designed to convert power ratios to decibel
Tools
Whenever electrons flow through a conductor, a magnetic field will…
Textbook
It is sometimes said regarding electrical safety that, Ït’s not the…
Worksheets - Antennas
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
The Q, or quality, factor of a resonant circuit is a measure of the…
Textbook
In the chapter on mixed-frequency signals, we explored the concept of…
Textbook
A tool designed to convert RF power from watts to decibels and vice versa
Tools
Varicap or varactor diodes A variable capacitance diode is known as a…
Textbook
A high-pass filter’s task is just the opposite of a low-pass…
Textbook
This calculator determines the wavelength of a signal given the frequency and dielectric constant.
Tools
Real operational amplifiers have some imperfections compared to an…
Textbook
This is a schematic for a simple VCO: The oscillator is of the RC…
Worksheets - Antennas
Point-to-Point Connecting two digital devices with a network, would…
Textbook
Whenever there is a mismatch of impedance between transmission line…
Textbook
Suppose you were to take a 3 kW electric heater rated for 240 VAC and…
Worksheets - Antennas
This calculator computes the resonant frequency of a parallel inductor and capacitor "tank" circuit.
Tools
What is a harmonic frequency? If an oscillator circuit outputs a…
Worksheets - Antennas
Research the FCC (Federal Communication Commission) guidelines on…
Worksheets - Antennas
A transmission line of infinite length is an interesting abstraction,…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Antennas
Now that we’ve seen how series and parallel AC circuit analysis…
Textbook
The invention of the bipolar transistor in 1948 ushered in a…
Textbook
So far, we’ve only been able to escape the sheer volume of…
Textbook
Although transistor switching circuits operate without bias, it is…
Textbook
A wound rotor induction motor has a stator like a squirrel cage…
Textbook
Don’t just sit there! Build something!! Learning to mathematically…
Worksheets - Antennas
Ammeters Measure Electrical Current A meter designed to measure…
Textbook
A multiplexer, abbreviated mux, is a device that has multiple inputs…
Textbook
This chapter will cover the physics behind the operation of…
Textbook
A tool designed to compute the values to be used in a T-match Impedance Circuit
Tools
Since transformers are essentially AC devices, we need to be aware of…
Textbook
Let’s take the following example circuit and analyze it: …
Textbook
Contributors to this chapter are listed in chronological order of…
Textbook
This tool helps calculate the impedance of an edge-coupled microstrip.
Tools
TTL Circuit Analysis Let’s examine the following TTL circuit and…
Textbook
This calculator will determine the square root, cube root, or nth root of a given number, x.
Tools
What does the acronym RF stand form, in reference to radio-related…
Worksheets - Antennas
This calculator is designed to compute the parameters required to design a Pi-Match Impedance Circuit
Tools
Worksheets - Antennas
Associative Property In addition and multiplication, terms may be…
Textbook